This is an HTML version of an attachment to the Freedom of Information request 'ATSB Style/Brand/Writing guides'.




ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Publication title
The ATSB’s little book of style
Publication date  1 June 2016 
 
Publishing information
Published by:
 
Australian Transport Safety Bureau
Postal address: 
PO Box 967, Civic Square ACT 2608
Office: 
 
62 Northbourne Avenue Canberra, Australian Capital Territory 2601
Telephone: 
1800 020 616, from overseas +61 2 6257 4150 (24 hours)
 
 
Accident and incident notification: 1800 011 034 (24 hours)
Facsimile: 
02 6247 3117, from overseas +61 2 6247 3117
Email:  
xxxxxxxx@xxxx.xxx.xx
Internet:  
www.atsb.gov.au
© Commonwealth of Australia 2016
Ownership of intellectual property rights in this publication
Unless otherwise noted, copyright (and any other intel ectual property rights, if any) in this 
publication is owned by the Commonwealth of Australia (referred to below as the Commonwealth).
Creative Commons licence
With the exception of the Coat of Arms, ATSB logo, and photos and graphics in which a third party 
holds copyright, this publication is licensed under a Creative Commons Attribution 3.0 Australia 
licence.
Creative Commons Attribution 3.0 Australia Licence is a standard form license agreement that 
al ows you to copy, distribute, transmit and adapt this publication provided that you attribute the work. 
The ATSB’s preference is that you attribute this publication (and any material sourced from it) using 
the fol owing wording:   Source: Australian Transport Safety Bureau
Copyright in material obtained from other agencies, private individuals or organisations, belongs to 
those agencies, individuals or organisations. Where you want to use their material you will need to 
contact them directly.



ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Mandatory references
ATSB uses these two mandatory reference documents as primary authorities:
•  Style manual: for authors, editors and printers (sixth edition), John Wiley & Sons 
Australia Ltd
•  Macquarie Dictionary (sixth edition), Macquarie Library Pty Ltd   
(for definition, spelling, hyphenation and use of italics)  
Online version available at:  
Section 22
When these references are silent on an issue, ATSB uses these secondary references:
•  Transport safety legislation and supporting regulations including:
 

Air Navigation Act 1920 
 

Air Services Act 1995 
 

Airspace Act 2007 
 

Australian Maritime Safety Authority Act 1990 
 

Aviation Transport Security Act 2004 
 

Carriage of Goods by Sea Act 1991 
 

Civil Aviation Act 1988 
 

Navigation Act 1912 
 

Shipping Registration Act 1981 
 

Transport Safety Investigation Act 2003
•  Rail Industry and Safety Standards Board (RISSB) Glossary of Rail Terminology
•  Cambridge Aerospace Dictionary, Bill Gunston, November 2004
•  Convention on International Civil Aviation Aircraft Accident and Incident Investigation, 
Annex 13.
 
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Plain English 
Government and ATSB policy
Writing in plain English is Australian Government policy and ATSB policy. It is part of an 
international movement that began in the 1970s and has been specified in Australian 
Government legislation since 1983.
What is plain English?
Plain English is language your readers can understand and immediately act on. It is clear 
and accessible.
Plain English is simple and direct, but not simplistic. It does not mean omitting key 
information or dumbing down content. Even complex technical and legal information can 
be conveyed accurately when written in plain English. 
Why use plain English?
Plain English is effective for many reasons. For the ATSB, this includes:
•  getting messages across quickly and clearly
•  motivating readers and increasing their understanding
•  avoiding confusion
•  enabling readers to concentrate on content instead of being distracted by 
complicated language
•  enhancing image and reputation
•  making reading easy.
 
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Plain English writing tips
Follow these tips to write in plain English.
1. Keep sentences short 
Vary sentence length but aim for an average of about 22 words.
 
Appendix A: Reduce unnecessary words
2.  Use short everyday words  
Use familiar words and aim to write like you speak. Use short words that are direct and 
precise.
3.  Avoid jargon  
Do not use jargon. Uncommon and unfamiliar words (jargon) are often taken to be 
pretentious. 
4.  Avoid bureaucratic writing  
Do not use bureaucratic language. Instead explain as simply as possible.
5.  Use technical language well 
Use technical and specialist language sparingly and explain on first use where required 
(in brackets or in a footnote).
6.  Write in the active voice not the passive voice 
See ‘Active voice’.
7.  Make every word count 
If a word does not add value do not use it.  
8.  Be consistent 
Describe objects, events and concepts the same way instead of varying language and 
causing confusion. For example, use either the word report, document or paper (but do 
not use a mix of all three); program or project or initiative (not a mix of all three).
9.  Avoid shortened forms 
Avoid shortened forms (acronyms and initialisms) or reduce to a bare minimum.
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Unintended judgment
Using plain English ensures ATSB reports and communications are impartial  
and accurate and can be interpreted correctly by the media.
Excess words, especially adjectives and adverbs, can inadvertently carry unintended 
emotion or judgment. 
Examples of words to watch out for
At no point did tThe crew member did not notice anything abnormal about the bearings 
on the wagon.
Again, tThere was no report of an abnormal condition.
The driver would have noticed the fault but did not even report it.
The second driver took the time to walked back to investigate the cause.
The pilot finally decided to take action.
Notes:
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Writing, editing and style issues 
Abbreviations 
Rule
Examples
Do not use a full stop when the abbreviation includes the last 
Dept (Department)
letter of the word.
Pty Ltd (Proprietary 
Exception: ‘no.’ which needs a full stop to distinguish between 
Limited)
‘number’ and the word ‘no’.
Do not abbreviate an aircraft registration number.
VH-WHO
Use a full stop when the abbreviation does not include the last 
Inc.
letter of the word, except if plural (see below).
vol. (vols)
no. (nos)
Use a full stop if the abbreviation is plural or repeats a letter.
pp. (for pages)
ed. (eds)
 
Acronyms
See Shortened forms
Active voice not passive voice
Write in the active voice unless there is a good reason to use the passive voice.
Why?
Active voice:
•  often uses less words
•  makes reading easier and faster
•  makes it clear who does what
•  puts ATSB front and centre
•  avoids misleading the reader 
•  avoids giving the impression the author is hiding something (for example, who did 
what).
 
How?
 Verbs have two voices—active and passive.
•  If the subject does the action, the verb is active. 
•  If the action is done to the subject, the verb is passive.
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Examples
Passive
Active
The freight train is owned and operated by 
Johnson and Co. owns and operates the 
Johnson and Co.
freight train.
The partner bearing was examined by the 
The ATSB’s failure analysis specialists 
ATSB’s failure analysis specialists.
examined the partner bearing.
The safety report was completed by the 
The department completed the safety 
department.
report.
The new policy was implemented by the 
The ATSB implemented the new policy.
ATSB.
Initial discussions were held by the ATSB 
The ATSB discussed with the airline how to 
and the airline on how to improve the 
improve the safety record. 
safety record.
It was indicated that the portainer driver 
The portainer driver was ‘pretty busy’ at 
was ‘pretty busy’ at the time of the 
the time of the accident.
accident.
It was reported that the train crashed.
The train crashed.
When to use the passive voice
1.  When you do not know who did the action or when it is irrelevant who did the action.
 Example: 
The report was sent to the department last week.
2.  When you want the doer of the action to remain anonymous, because you do not want 
or need to assign blame.
 Example: 
The investigation was not completed on time.
3.  When the doer of the action is not as important as the rest of the content in the 
sentence.
 Example: 
The airport runway was cleared by early this morning.
Bills before Parliament
Rule
Examples
Cite exactly as on original—do not alter 
Regulation of Genetic Material Bill 2012
spelling or capitalisation 
Always cite in full on first mention with 
Coastal Trading (Revitalising Australian 
shortened form if there is one in brackets
Shipping) 2012 
(CT(RAS) Bill)
Do not italicise
As above
See also ‘Legislation’ and ‘Regulations’.
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Capitalisation
Use minimal capitalisation as a rule.
Rule
Example
Atmospheric phenomena
cyclone Tracey
Common nouns with date, number or letter
appendix C
wagon 69
runway 37
model MU-2B
Company names
Boeing
DuPont
Document names, when full name is used
Airworthiness Directive 89–1
Safety Recommendation R20000115
Manual of Air Traffic Services
Note:
 partial titles do not need capital 
letters.
The airworthiness directive is detailed.
The pilot had not read the safety 
recommendation.
ATSB needs to update the manual.
Geographical names—cities, countries, 
Baltic Sea
mountains, rivers, towns and official names 
of areas
Blue Mountains 
Murray River
Port Germein
Western District
Withnell Bay
Yung An (Taiwan)
Note: partial names do not need capitals. 
The ship sailed the sea. 
The crowd gathered at the port.
The town’s police were involved.
The river was murky.
Note: descriptive and unofficial titles do 
not need capitals.
eastern Australia
central Australia
far north Queensland
northern France
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Rule
Example
Government, when full title is used
The Australian Government is 
responsible for the policy.
Note: partial title does not need capital 
letter. 
The government proposes to introduce 
the legislation.
The investigator examined government  
policy before making final 
recommendations.
Names of aircraft, ships, trains, models and 
British Sapphire
classes of vehicles
Vega Gotland
Beechcraft King Air
Boeing 747
Freight train 3PW4
Wagon RKWY-4W5C
Names of organisations, bodies and 
Air Tractor Inc.
companies when full name is used and 
following the style the organisation itself 
BP Shipping
uses
De Havilland
Pacific National 
Note: articles, prepositions or 
conjunctions do not need capitals.
International Society of Air Safety 
Investigators
Standards and Recommended Practices
Nationalities and distinct groups of people
Queenslander
Filipino
Indigenous
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Rule
Example
Proper nouns and proper names (specific 
Chief Commissioner of the Australian 
people, places, organisations, things)
Transport Safety Bureau  
Use capitals for official or abbreviated titles 
Minister for Infrastructure and Transport
but not for generic or plural references
Copilot John Citizen 
Sydney Flight Service Centre 
Cessna Citation Flight Manual 2012 
Note: partial titles do not need 
capitals.  
The commissioner proposed the new 
review. 
The minister backed the department’s 
recommendations. 
The centre’s manual had not been 
consulted.
The flight manual was detailed.
The copilots made the call. 
Radio transmission letters
Papa Alpha Charlie
Seasons 
spring, summer, autumn, winter
States and territories
See ‘States and territories’
Time zones—Australian
Central Standard Time
Eastern Standard Time
Western Standard Time
Central Daylight-saving Time  
(lower case ‘s’)
Eastern Daylight-saving Time  
(lower case ‘s’)
Western Daylight-saving time  
(lower case ‘s’)
Notes: Include in full on first mention 
and use initialism thereafter (CST, EST, 
WST, CDT, EDT, WDT).
All time zones included should be 
Australian, unless specified otherwise.
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Compass points
In general text 
Rule
Example
Spell out in full, do not capitalise
The train was travelling south.
Hyphenate compound forms
The aircraft took off in a north-westerly 
direction.
 
Tables
Rule
Example
Abbreviate in capitals, no full stops  
50 km NNE Gold Coast Airport, 
in-between initials
Queensland
25 km WNW of Leongatha, Victoria
In report titles
Rule
Example
Use the abbreviated form in ATSB report 
Collision with terrain involving a Robinson 
titles
R22, 41 km NW of Dubbo, NSW
 
Contractions 
Rule
Correct
Incorrect
Do not use in safety or research reports 
are not 
aren’t
except if the contraction is in a direct quote could not 
couldn’t
did not 
didn’t
it is 
it’s
 
would not 
wouldn’t
Example general text 
People are not likely to report any risk-
related event if they think that they will be 
punished for doing so.
Example direct quote 
‘People aren’t likely to report any risk-
related event if they think that they’ll 
be punished for doing so,’ said the 
investigator.
Contractions may be used in less formal 
publications such as leaflets, brochures and 
the safety summary.
› 11 

ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Country names
In general text 
Rules
Examples
Spell out in full in general text  
New Zealand
Capitalise as the country itself capitalises
Papua New Guinea
United Kingdom
United States (not United States of 
America)
In tables, illustrations, notes, lists and where space is a premium
Rules
Examples
Use shortened form
NZ 
Capitalise
PNG
No full stops between initial letters
UK
US (not USA)
Notes:
 
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Dashes (or rules)
Symbol Name of 
Keys
Rules 
Examples
symbol 
-
Hyphen 
Hyphen key
Use for compound 
Examples of correct use 
words and some 
(no space 
prefixes 
de-ice
either side)
Use Macquarie 
diesel-electric system
Dictionary and 
off-track system
mandatory 
references  
two-year plan
pp. 2 including 
for homonyms 
long-term development
(words having the 
hand-held radio
same spelling or 
sound but different 
pre-eminent
meanings
take-off adj.
*recover (retrieve) 
take-off n.
or re-cover (cover 
again)
take off v.
resigned 
Examples where 
(acquiescent) or 
hyphens are not used
re-signed (signed 
again)
outboard motor
in service
near collision
wheel sets

En (short; 
Ctl+Minus 
Use for linking 
2011–12
width of 
key
spans of figures, 
an n)
dates, time and 
pp. 9–13
(Use the 
distances (usually 
Where the 
minus on the 
60–65 pounds
means ‘to’ or 
rule links a 
numeric key 
‘between’)
0300–0700
single word  pad)
or set of 
September–December 
numbers 
2011
there is no 
space.
Use for an 
Canberra–Sydney flight
association 
Victoria–New South 
between two 
Wales border
entities
Use spaces 
a Commonwealth – New 
if there is 
South Wales agreement
more than 
one word on 
the Alice Springs – 
either side.
Darwin railway
› 13 

ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1

Em 
Alt+Ctl+Num
Use to signify 
The primary 
abrupt change in a 
factors associated 
(long; width 
sentence, amplify, 
with accidents—
of an m)
explain or set apart
poor judgment, 
(no space 
overconfidence and 
Use for words, 
either side)
lack of expertise—have 
phrases and clauses  changed little over the 
that add to, but are 
years.
not necessary to, 
the completeness 
Three carriers—Qantas, 
or meaning of the 
Virgin Blue and British 
sentence. These are  Airways—responded to 
called interrupters 
the request.
or parenthetical 
elements. 
Dates
In general text
Item
Rules
Examples
Days of week
Spell out in full
Monday, Tuesday, Wednesday, 
Thursday, Friday, Saturday, Sunday
Initial capital letter only
Months
Spell out in full
January, February, March, April, 
May, June, July, August, September, 
Initial capital letter only
October, November, December
Full dates
Present as day, month, year 15 January 2011
No commas (except after 
Thursday, 3 March 2012
day if used)
Decades
No apostrophe or short 
1990s (not 1990’s or ‘90s)
form 
Spans of years  
En dash, no space either 
2011–12 
(calendar and 
side
financial)
(not 2011 – 2012 or 2011/12)
No forward slash 
Both years in full when 
spanning a decade 
1999–2000 
En dash, no space either 
(not 1999–00 or 1999/2000)
side
No forward slash
Plain presentation
Do not use ‘nd’, ‘rd’, ‘th’ 
2 May (not 2nd May) 
23 October (not 23rd October)
4 July (not 4th July)
› 14 

ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
In charts, figures, tables
Item
Rules
Examples
Days of week
Abbreviate with full stop
Mon., Tues., Wed., Thurs., Fri., Sat., 
Sun.
Months
Abbreviate with full stop 
Jan., Feb., Mar., Apr., May, June, 
(except May, June, July)
July, Aug., Sept., Oct., Nov., Dec.
Full dates
Present as day, month, year 12 Sept. 2011 (not 12/09/11 or  
12-09-11, but month in abbreviated 
Use full stops
form as per examples above)
Plain presentation
Do not use ‘nd’, ‘rd’, ‘th’:
2 November (not 2nd November)
3 August (not 3rd August)
24 June (not 24th June)
Dot point and numbered lists
Item
Rule
Example
Semi-colons or 
Do not use at end of dot 
ATSB promotes safety by:
commas
points
•  publishing investigation and 
research reports
•  providing information on its 
website
•  delivering presentations.
And
Do not use at the end of the  See above
second last item in the list
Or 
Place on separate line to 
Correct
show alternatives, but 
only when more than 
Three options are available to 
two alternatives provided 
improve your writing:
(otherwise just leave out)
1. take a writing course 
2. study on your own 
or
3. get a writing coach.
Incorrect
Three options are available to 
improve your writing:
1. take a writing course or
2. study on your own or
3. get a writing coach.
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Item
Rule
Example
Full stop
Only use at end of last dot 
Examples above.
point.
Complete 
Only use capitals and full 
Correct
sentences
stops in list items when 
they contain complete 
The commissioners came to two 
sentences.
important conclusions:
•  The ATSB should undertake 
research into the three areas 
identified in the report.
•  Funding should be sought from 
government sources.
Note: Do not combine full 
sentences and sentence 
Incorrect
fragments in the same 
bulleted or numbered lists.
The committee came to two 
important conclusions:
•  that ATSB investigators should 
research three areas identified in 
the report
•  Funding should be sought from 
from government sources.
Number of dot or 
Do not use more than six. 
numbered points
If more than six required, 
rework material to present 
another way (for example, 
in columns or tables).
First level list
Use black bullet style.
ATSB promotes safety by:
•  publishing investigation and 
research reports
•  providing information on its 
website
•  delivering presentations.
› 16 

ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Item
Rule
Example
Second level list
Use en dash (–)
ATSB promotes safety by:
Indent
•  publishing investigation and 
research reports, including on 
accidents in:
– aviation
– marine
– rail
•  providing information:
– on the website
– in publications
– on bulletin boards
•  delivering presentations.
Third level list
Do not use
Rework material to present 
another way
Avoid repetition
Do not repeat wording at 
Incorrect
beginning of each dot point
It states the knowledge required 
Adjust lead-in sentence 
includes:
to include the repetitive 
thought
•  methods of launching survival craft
•  methods of recovering survival 
craft
•  methods of launching rescue boats
•  methods of recovering rescue 
boats. 
Correct
It states the knowledge required 
includes methods of recovering and 
launching:
•  survival craft
•  rescue boats.
Introducing lists
Introduce points with a 
As above (correct)
lead-in sentence
Place a colon at end of lead-
in sentence
Ensure content of each 
dot point follows logically 
from lead-in (see ‘Parallel 
construction’ below)
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Item
Rule
Example
Parallel 
Each list must: 
Incorrect
construction 
(presenting items 
•  start with a noun or verb,  Canberra Airport has taken several 
the same way)
but not a mix
actions, including:
•  be a full sentence, phrase  •  the distribution of radios to 
(sentence fragment) or 
operators
short paragraph, but not 
a mix
•  developing new radio procedures
•  start with an upper case 
•  provision of training.
word or lower case word  Correct
(unless first word is a 
proper noun), but not a 
Canberra Airport has taken several 
mix.
actions, including:
•  distributing radios to operators
•  developing new radio procedures
•  providing training.
OR
Canberra Airport has taken several 
actions, including the:
•  distribution of radios to operators
•  development of new radio  
procedures
•  provision of training.
Using numbered 
Use numbers or letters in 
The ATSB made four 
lists
an itemised list when you 
recommendations, listed below in 
need to: 
order of priority:
•  emphasise sequence
1. review this investigation report in 
detail
•  show rank
2. address all safety issues identified
•  draw attention to the 
quantity of items.
3. monitor implementation
4. communicate which safety actions 
worked and which did not work.
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ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Ellipsis ( … ) 
Rule 
Examples 
Use to indicate omission of 
At the beginning of a quote:
words in quoted material 
…no manufacturer in the world requires mandatory 
Use three full stops only
fitment of such aural warnings.
Follow spacing pattern shown  In the middle of a quote:
in the examples.
As soon as the craft is waterborne make sure the 
wave compensation button is pressed once… To  
stop wave compensation bring the lever down lower 
into position.
At the end of a quote:
No manufacturer in the world requires mandatory 
fitment of such aural warnings…
Email and Internet addresses
Rule
Examples
Do not enclose in brackets
Do not use bold or italics
The reader was directed to xxxxxxxx@xxxx.xxx.xx for 
more information.
No full stop when in a 
sentence
Program details are available on www.atsb.gov.au.
Use full stop if the address 
forms the end of the sentence
Avoid deep links to individual 
Incorrect
documents or files on a 
website. 
www.atsb.gov.au/media/4027315/AO-2012-100%20
Final.pdf
Correct
The ATSB research report, 
Provide a link to the content 
Australian aviation wildlife 
page or a link to the website 
strike statistics 2004 to 2013 (AR-2014-075), is available 
from the ATSB website.
with general instructions. 
Visit www.atsb.gov.au and follow the link on the 
Aviation tab to aviation statistics.
 
 
Exclamation marks
Do not use unless quoting written material that uses an exclamation mark.
 
Figures, charts, tables, illustrations, graphs, maps, photographs  
Use these aids to help the reader clarify information and/or absorb information quickly.
See Safety Investigation Guidelines Manual—Reporting.
› 19 

ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Footnotes 
Rule
Examples
Use sparingly and for 
Use footnotes to:
requirements listed under 
‘Examples’
•  define technical terms
•  explain or supplement material not needed in general 
text
•  cross reference other parts of work
•  acknowledge quoted or borrowed material.
Place all reference numbers  The emergency response was not well coordinated.1
outside of all punctuation 
(including within a sentence  This changed the tower’s centre of gravity,2 causing the 
and at end of sentence)
scaffolding to collapse.
The special instructions included to:3
Separate multiple reference  Additional reports4,5 were examined during the 
numbers with a comma but  investigation.
no space after the comma
Do not split over two pages
 
Gender 
Use gender-neutral language. Avoid gender-specific pronouns.
Grammar
See Style manual (6th edition), pp. 63–77.
Headings and sub headings
Rule 
Correct
Incorrect
Use minimal caps
Technology used in this 
Technology Used In This 
report
Report
Do not include full stop at 
Post occurrence
Post occurrence.
end
If using a numbering 
 
 
system keep it clear and 
consistent
When stepping down 
Heading level 3 follows 
through headings, don’t skip  heading level 2
heading levels. 
 
Initialisms
See ‘Shortened forms’
› 20 

ATSB - Released under the FOI Act
FOI 23-24(14) - Document 1
Internet addresses
See ‘Email and Internet addresses’
Italics
Item
Rule
Examples
Legislation and legal 
Use italics with full and 
Transform Reform Act 1993 
cases—Acts and 
formal titles for Australia
(Cwlth) but Transform Reform Act
Ordinances
Equal Opportunity Act 1984 (WA) 
but Equal Opportunity Act
Do not use italics with full 
and/or formal titles for other  Huges and Vale Pty Ltd v. New 
countries
South Wales
Sale of Floods Act 2000 (UK)
Bills before Parliament,  Do not use italics
Navigation (Confidential Marine 
regulations and other 
Reporting Scheme) Regulations 
forms of delegated 
2008
legislation
Transport Safety Investigation 
Regulations 2003
Regulation of Genetic Material 
Bill 2012
Departmental 
Do not use italics
The department’s safety 
programs, policies and 
management system was 
initiatives
released yesterday.
Email and Internet 
Do not use italics 
xxxxxxxx@xxxx.xxx.xx
addresses
See ‘Email and Internet 
www.atsb.gov.au
addresses’
Names of ships  
Use italics for the names of  Atlantic Blue
ships, aircraft. Do not prefix 
ships with names with ‘the’. Queen Mary
Lady Bird Walton
Orient Express

Quoted material 
Do not use italics
See ‘Quoted material’ under Q
(regular or indented)
Technical terms and 
Use italics the first time 
In this instance the term buffer 
terms being defined
only 
zone means an area of land 
that forms a natural protective 
Do not use single quotation  barrier.
marks
Titles of books, reports,  Use italics
According to Transport Canada, 
journals and periodicals 
in Introduction to Safety 
Do not use quotation marks Management Systems, all 
management systems provide 
for goal setting, planning and 
measuring performance.
Failure Analysis and Prevention 
indicates that discolouration often 
results from surface heating.
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Latin forms
Rule
Correct
Incorrect
Do not use Latin 
for example
e.g
shortened forms.
and others
et al.
Present in full in 
including, or and so on
etc.*
English. 
that is
i.e.
among other things
inter alia
by way or by means of 
via
* Using etc. can also suggest imprecision and/or offhandedness.
Notes:
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Legislation
Rule
Examples
Cite exactly as on original—
do not alter spelling or the 
capitalisation 
Always cite, in full, on first 
Transport Safety investigation Act 2003 (TSI Act)
mention with the shortened 
form, if there is one, in brackets
Occupational Health & Safety (Commonwealth 
Employment) Act 1991 
Public Service Act 1999
Occupational Health and Safety Act 2000
 (NSW)
Always use italics when citing 
As above
in full
Do not use italics when citing 
the TSI Act 
shortened form after first 
mention.
the Commonwealth Employment Act
the Public Service Act
the OH&S Act
Specify jurisdiction on first 
the Transport Safety Investigation Act 2003 (Cwlth)
mention (Commonwealth, state 
or territory) by:
the Equal Opportunity Act 1984 (WA)
•  abbreviating, in parentheses 
the Commonwealth’s Transport Safety Investigation 
and in roman type after the 
Act 2003
date
or
•  including in full before the 
Western Australia’s Equal Opportunity Act 1984
name of the Act.
Cite divisions or units as per 
Beginning of a sentence (in full)
examples
Section 4 of the…
Shortened forms:
Within a sentence singular 
•  lower case
In s. 3 of the…
•  full stop following
Within a sentence plural
•  space between shortened 
form and number.
The Transport Safety Investigation Act 2003, ss. 4–7, 
state that…
Subsections
The Transport Safety Investigation Act 2003,  
s. 19(1)(1)(iii), states that…
See also ‘Bills’ and ‘Regulations’.
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ATSB - Released under the FOI Act
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Location of incident
Rule
Rule
Examples
Provide a clear description 
Present location as a simple  130 km east of Sydney
of the incident location
statement
150 km north-east of Cairns
20 km south-south-west of 
Melbourne
overhead Batam Island, 
Indonesia
Provide exact latitude and 
When providing latitude and  37° 12.105’ S
longitude coordinates in a 
longitude coordinates insert 
footnote if necessary
a space after the degress
153° 06.005’ E
Money
See Style manual, (6th edition) pp. 174–5.
Numbers 
Item
Rule
Examples
Decimals
Use figures
An average of 4.3 a year.
In general text
Spell out one to nine, but  The department wrote reports on eight 
10 and above in figures
accidents in the year.
ATSB held 10 writing training 
workshops in July.
Exception: When 
A total of 15 passengers were killed 
comparing several 
(5 female and 10 male) and 3 were 
numbers in one sentence,  injured (1 female and 2 male).
use figures
Seats rows 8 through  
17 remained attached.
Scientific, 
Use figures not words
mathematical, 
technical and 
statistical work 
where figures 
appear regularly
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Item
Rule
Examples
Start of a sentence Always fully spell 
Twenty-five years ago, the government 
numbers
introduced the policy.
A total of 132 people were affected by 
If large number rewrite 
the accident.
sentence and use figures. not
One hundred and thirty-two people 
were affected by the accident.
and not
132 people were affected by the 
accident.
Four-digit numbers  Set without a space
5,293
and above in 
general text and 
Use comma before each 
16,000
tables
group of three figures
234,000
Note: this rule differs 
from the Style manual
Mathematical 
Space either side
15 – 9 = 6
signs (addition, 
subtraction, 
Use en dash (not hyphen)  16 x 5 = 80
multiplication)
for minus
+100
No space between 
positive or negative sign 
–253
and number
–50
Use en dash (not hyphen) 
for negative sign
Ordinals
When using ordinals 
Do not use ‘nd’, ‘rd’, ‘th’
(‘first’, ‘second’, ‘third’ 
etc.)
Do not use abbreviations 
It began to traverse the third and 
to specify general 
longest bridge.
ranking.
Use when repetition 
The 20th wagon was the first derailed 
demands it (example: 
followed by the 31st and 45th.
reporting a rail accident 
involving multiple 
wagons).
Do not superscript.
No spacing after number.
Percentages in 
Use figure and word per 
9 per cent
general text
cent (as two words)
Percentages in 
Use figure and per cent 
9%
tables, figures, 
symbol
charts, and 
15.4%
statistical work 
No space between
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Item
Rule
Examples
Ratios
Use colon
1:10,000
No space before or after 
colon
Spans of figures 
Use en dash (not hyphen)  pp. 402–05
(including dates)
to link
9–12
En dash usually means 
‘to’
45–50
475–89
440–553
2011–12
Adjacent set of 
Insert a comma between  By 2012, 152 more staff will be 
numbers
two sets of numbers or 
needed.
rearrange the sentence
or
By 2010, an additional 152 staff will be 
needed.
Fractions 
Use figures for 
1/2-inch pipe (not ½-inch pipe
measurement and 
distance
3/4 km west (not ¾ km west)
Use full font size
Only one third agreed.  
Use words in other 
The second report was filed.
instances except in 
references
Metric 
Follow style example
25 kg (not kilograms or kilos and space 
between figure and kg)
 
2,000 m (not metres and space 
between figure and m)
35 mm gap (not millimetre and space 
between figure and mm)
Symbols of 
Space between number 
500 kg (not 500kg)
measurement
and symbol 
20 mm (not 20mm)
Time
Use figures not words
1 second
10 hours
13 years
7 minutes
24-hour clock
0001 hours
5 hours 53 minutes (no ‘and’ between)
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Item
Rule
Examples
Time—24-hour 
Number hours 
clock
consecutively from 1 to 
24, beginning at midnight 
0000)
Always use four digits 
1830
(first two indicating hours 
and last two minutes)
Use zeros to indicate no 
0050
hours
Use zero to indicate 
whole hours
0600
No punctuation or spacing 
between hours and 
As above
minutes
 
Indicate the correct time 
0745 EST
zone
1230 WST
Note: times are always 
taken to be Australian, 
unless specified 
otherwise.
Units of 
See Units of measurement
measurement
 
Photographs and captions
Rules
All photographs must be credited with the name of the organisation and/or photographer 
from which they have been sourced (the copyright owner).
All photographs must have a clear caption explaining what is in the photograph.
See report templates for more information.
 
Pronouns
Rule
Correct
Incorrect
Do not use personal 
The ATSB investigated the 
We investigated the 
pronouns in formal 
accident.
accident.
reporting unless in a direct 
quote
‘We investigated the 
accident,’ said the ATSB 
Marine Investigation Team 
Leader.
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Proofreading 
See ‘Spelling and proofreading’.
Quoted material 
Rule
Examples
Use single quotation marks except when 
‘We investigated the accident and the pilot 
quoting within a quote.
said: “I couldn’t see because of the fog.” 
This is why the weather was an important 
factor,’ said the ATSB Aviation Investigation 
Team Leader.
According to the training workbook:
To maintain safe and efficient operations 
the team leader must be the “frontline 
supervisory person” and the link between 
management and operational personnel.
Use single quotation marks to enclose 
‘Beyond Safety Management Systems’, in 
titles of chapters or sections from books, 
Aero Safety World, is an excellent resource.
manuals, titles of article in magazines.
Do not use quotation marks to enclose 
ICHCA International has published two 
titles of guidelines, handbooks, magazines,  pamphlets—Safe Working on Container 
manuals, newspapers, pamphlets, 
Ships and Container Terminal Safety.
periodicals, proceedings, published books.
Do not use quotation marks around 
The instruction stated:
indented quoted material.
Start wave compensation by means of 
pushing button on portable remote control 
station.
Do not italicise.
The driver said: ‘I did not know about, 
and had not been trained to perform, 
preventative maintenance inspections.’
 
 
 
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ATSB - Released under the FOI Act
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Regulations
Rule
Examples
Cite exactly as on original—do not alter 
Navigation (Confidential Marine Reporting 
spelling or capitalisation
Scheme) Regulations 2008
Transport Safety Investigation Regulations 
2003
Always cite in full on first mention with 
Transport Safety Investigation Regulations 
shortened form, if there is one, in brackets. 2003 (TSI Regulations)
Do not italicise
As above
Cite divisions as per examples.
Beginning of sentence (in full)
Shortened forms:
Regulation 32 of the Transport Safety 
Investigation Regulations 2003 states  
•  lower case
that…
•  full stop following
Within a sentence singular
•  space between shortened form and 
ATSB investigators must take special 
number
note of Navigation (Confidential Marine 
Reporting Scheme) Regulations 2008, r. 18.
Within a sentence plural 
ATSB investigators …Regulations 2008,
rr. 18–21.
Subregulations
ATSB investigators …Regulations 2008, 
r. 82 (2)(1)(iii).
See also ‘Bills’ and ‘Legislation’
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Shortened forms
There are two types—acronyms and initialisms.
Acronyms (strings of initial letters, and occasionally other letters, pronounced as  
a word)
Rules
Examples
Always fully spell on first mention unless 
Qantas
the acronym is well known to the reader 
(not author).
No full stops between letters
ANZAC
Keep name in full unless used more than 
safety management system and then  
three times in the body of work or edit to 
‘the system’ (no need for SMS)
include generic reference.
quick reference handbook and then  
‘the handbook’ (no need for QRH)
Always use capital letters unless the proper  Qantas
name does not do so.
Do not use single quotation marks around 
Incorrect
acronyms (long or short form).
The procedures are documented in their 
‘Wagon Maintenance Manual’.
‘DAFWA’ conducted an internal review.
Correct
The ATSB investigated the accident.
 
Initialisms (strings of initial letters, and occasionally other letters, not pronounced as a 
word)
Always spell out on first mention unless 
information technology (IT)*
the initialism is well known to the reader 
(not author).
New South Wales (NSW)
consumer price index (CPI)*
gross domestic product (GDP)*
visual flight rules (VFR)*
*no need for caps in full
The shortened form ATSB should be used 
The ATSB contributes to the wellbeing of 
in all communication that is preceded by 
all Australians by maintaining and improving 
the ATSB logo. When there is no logo, 
transport safety and public confidence.
spell out Australian Transport Safety Bureau 
(ATSB) at the first mention, then use ATSB 
for all future mentions.
Follow other general rules as under 
Acronyms.
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Slash (/)
Rule
Examples
Use to indicate alternatives (‘or’)
Yes/no
Do not include spaces either side of the 
Enter/exit
slash
Train control/signalling 
Do not use to mean ‘both’
Incorrect
They were expected to follow the safe 
work instructions/guidelines. [means one 
or other]
Correct
They were expected to follow the safe 
work instructions and guidelines. [means 
both] 
For ‘per’, ‘a’ or ‘an’
60 km/h
Do not use in dates
11 Mar 2012  (not 11/03/12)
Spelling and proofreading
Rule
Examples
Set your spelling and grammar checking 
software program for Australia.
Use the Macquarie Dictionary—the 
‘ise’ rather than ‘ize’ (organise) (except for 
Australian Government’s approved 
the names of actual organisations such as 
dictionary—as priority reference (if more 
the International Civil Aviation Organization 
than one option is listed in the dictionary 
where the ‘z’ is used. )
use the first one).
‘our’ rather than ‘or’ (colour)
If a technical term is not in the Macquarie 
Dictionary use the appropriate mandatory 
‘yse’ rather than ‘yze’ (analyse)
reference (see page 2).
one ‘s’ only in some words (focused)
two ‘lls’ in some words (equalled, travelled, 
fulfilled)
Do not change the spelling of proper 
Pearl Harbor not Harbour
name or titles (person, places or things—
including manufacturer’s spelling of 
vehicles, equipment, components).
Do not solely rely on spelling or grammar 
their       there
checkers in software because they do 
public    pubic
not catch all incorrect spelling and cause 
embarrassing mistakes.
son        sun
check    cheque
trial        trail
plaque   plague
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Temperature
Rule
Correct
Incorrect
Express in Celsius 
Express in numerals unless  3 ºC 
Three ºC 
starting a sentence 
 
(precise or approximate)
Three degrees Celsius
Follow numeral with space 
15.5 ºC 
15.5ºC
and then ºC. 
Place a 0 before the decimal  0.8 ºC
.8 ºC
point for temperatures of 
less than 1 degree.
Do not put full stop after ºC  The temperature at the time  It was 11.6 ºC. at the time of 
except at end of sentence.
of the accident was 11.6 ºC.
the accident.
Use the word ‘to’, not 
0.6 °C to 10.5 °C
0.6 °C–10.5 °C
a dash for spans of 
temperatures.
Use an en dash (–), not a 
–1.8 °C
-1.8 °C
hyphen, to represent minus.
States and territories
In general text
Rule
Correct
Spell out in full on first mention. 
Australian Capital Territory
Use full presentation unless space is 
limited or name is repeated often.
If abbreviating, use list to right as guide, 
ACT
following use of capital letters, spacing and 
full stops as required.
NSW
NT
Qld
SA
Tas.
Vic.
WA
 
In tables, figures, notes, references, bibliographies
Rule
Use abbreviated form, following rules above.
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Underlining
Rule
Do not use for emphasis.
Units of measurement
The ATSB uses the following common units of measure in accordance with the Système 
Internationale d’Unités (SI). 
SI Base Units
Base quantity
Name
Symbol
length
metre
m
mass
kilogram
kg
time
second
s
electric current
ampere
A
thermodynamic 
kelvin
K
temperature
amount of substance
mole
mol
luminous intensity
candela
cd
The ATSB uses non-SI Australian legal units of measurement that have been adopted for 
use within Australia under the National Measurement Act 1960.
Non-SI Australian legal units of measurement
Quantity
Name
Symbol
sound power
decibel
dB
sound pressure
decibel
dB
sound intensity
decibel
dB
area 
hectare
ha
energy
electronvolt
eV
length
nautical mile
NM
mass
tonne
t
plane angle
degree
º
plane angle
minute

plane angle
second

time interval 
day
d
time interval
hour
hour
time interval
minute
minute
See Style manual, (6th edition) pp 176–186 for further details.  
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Questions and more information
If you have any questions or are looking for more detail or advice on writing or style 
matters, contact the Communication Manager or visit TheHub.
Notes:
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Appendix A: Reduce unnecessary words
Only include words that are necessary and add value. Drawings have no extra lines and 
machines no extra parts. Writing should not have extra words. 
These editing exercises illustrates how to keep writing trim and slim by deleting words not 
needed and/or making simple adjustments to the text. 
Rail
The position of derailed wagons and the site’s environmental sensitivity of the site served 
to madke the recovery operations a challenging task. 
A total of 15 Fifteen wagons sustained were damaged and the track restoration site 
extended over a distance of about 550 m.
It is likely that both bearings had been were overhauled before they were being mounted 
on the axle but it was impossible to determine exactly which of the reconditioned bearing 
failed and which was the partner bearing.
Aviation
He had a total of 470 hours of flight experience in turboprop aircraft, 80 hours of which 
were on the King Air C90 aircraft type.
In order fFor the masks to supply oxygen to the crew and allow for radio communications 
during normal or emergency operations, they crew’s masks had to be connected into the 
dedicated oxygen and microphone connections that were positioned in the left and right 
cockpit sidewalls.
Hypoxic hypoxia can create a sense of wellbeing while at the same time as it is degrading 
the subject’s mental and physical performance. 
Marine
None of tThe training establishments contacted specifically did not covered wave 
compensators in as part of their courses, although some advised they may discuss them in 
the course of their overall training.
National and international guidance is available at both national and international levels to 
assist stevedoring operators develop appropriate safe work procedures and instructions in 
order to reduce the risk of waterfront accidents. on the waterfront. 
Despite the action taken, the ATSB believes that by not following the investigatory 
guidance provided in the procedure meant the process undertaken might not have been as 
effective and as transparent as it could have been possible.
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Notes:
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Approved ATSB variations
The following items have been approved by the Chief Commissioner.
Note: these rules differ from the Style manual: for authors, editors and printers.
Rule
Variation
nautical miles
NM
numbers
use of comma before each group of three figures
knots
knots or kt
take-off
use of hyphen in noun form
ATSB
see page 30
› 37