Safety in the vicinity of non-towered aerodromes - Australian ...

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Published by: Australian Transport Safety Bureau Postal address: PO Box 967, Civic Square ACT 2608 Office location: 62 Northbourne Ave, Canberra City, Australian Capital Territory, 2601 Telephone: 1800 020 616, from overseas +61 2 6257 4150 Accident and incident notification: 1800 011 034 (24 hours) Facsimile: 02 6247 3117, from overseas +61 2 6247 3117 Email: atsbinfo@atsb.gov.au Internet: www.atsb.gov.au © Commonwealth of Australia 2010. This work is copyright. In the interests of enhancing the value of the information contained in this publication you may copy, download, display, print, reproduce and distribute this material in unaltered form (retaining this notice). However, copyright in the 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. Subject to the provisions of the Copyright Act 1968, you must not make any other use of the material in this publication unless you have the permission of the Australian Transport Safety Bureau. Please direct requests for further information or authorisation to: Commonwealth Copyright Administration, Copyright Law Branch Attorney-General’s Department, Robert Garran Offices, National Circuit, Barton, ACT 2600 www.ag.gov.au/cca ISBN and formal report title: see ‘Document retrieval information’ on page vii - ii -
CONTENTS THE AUSTRALIAN TRANSPORT SAFETY BUREAU ............................... viii TERMINOLOGY USED IN THIS REPORT ..................................................... ix EXECUTIVE SUMMARY ................................................................................... xi ABBREVIATIONS ............................................................................................. xvii 1 INTRODUCTION .......................................................................................... 1 1.1 Background ........................................................................................... 1 1.1.1 What is a non-towered aerodrome? ........................................... 1 1.1.2 Why is the ATSB looking into non-towered aerodrome safety? ........................................................................................ 3 1.1.3 Typical aircraft using non-towered aerodromes ........................ 3 1.1.4 Changes to the Australian airspace environment ....................... 4 1.1.5 Common Traffic Advisory Frequency (CTAF/CTAF(R)) and the replacement of Mandatory Broadcast Zones (MBZs) ...................................................................................... 5 1.1.6 Recent changes to non-towered aerodrome procedures ............. 6 1.1.7 What is the relevance of this research following the CAR 166 changes on 3 June 2010? .................................................... 8 1.2 Objectives ............................................................................................. 9 1.3 Scope .................................................................................................. 10 2 METHODOLOGY ....................................................................................... 13 2.1 Data sources ........................................................................................ 13 2.2 Data limitations................................................................................... 17 3 GENERAL OCCURRENCE TRENDS ...................................................... 19 3.1 Accidents, incidents, and serious incidents near non-towered aerodromes ......................................................................................... 20 3.2 What types of occurrences were most common?................................ 21 3.3 Who reported the occurrence? ............................................................ 23 3.4 Where were the most occurrences? .................................................... 24 4 CONFLICTS AT NON-TOWERED AERODROMES ............................. 27 4.1 Aircraft/aircraft conflicts .................................................................... 27 4.1.1 On the ground .......................................................................... 27 4.1.2 In the air ................................................................................... 31 4.2 Aircraft/ground vehicle conflicts ........................................................ 31 4.3 Occurrences with no conflicts ............................................................ 31 - iii -
Page 1: ATSB TRANSPORT SAFETY REPORT Aviati
Page 6 and 7: 4.4 Making your presence and intent
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Page 10 and 11: THE AUSTRALIAN TRANSPORT SAFETY BUR
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Page 14 and 15: Airproxes and other separation issu
Page 16 and 17: across many aerodromes and aircraft
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Page 20 and 21: procedures from 3 June 2010) GPS Gl
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Page 24 and 25: What challenges do pilots face at n
Page 26 and 27: A factor in the frequency of occurr
Page 28 and 29: suggested that they ignored the lim
Page 30 and 31: airmanship principles, and to allow
Page 32 and 33: 1.3 Scope This report focused only
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Page 36 and 37: • Violations - any individual act
Page 38 and 39: Table 1: Movements for 20 selected
Page 40 and 41: that the level of detail and the ty
Page 42 and 43: Figure 1: Airspace-use and operatio
Page 44 and 45: Figure 2: Most common types of occu
Page 46 and 47: 3.4 Where were the most occurrences
Page 48 and 49: Occurrences relative to flight rule
Page 50 and 51: - 23 occurrences where the aircraft
Page 52 and 53: Runway incursions can have serious
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ATS errors in passing traffic infor
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In particular, pilots’ broadcasti
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Information errors were the most co
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A number of reports (n=40) indicate
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5.3 Decision errors Decision errors
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A 2004 ATSB review of all 37 mid-ai
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In both cases, the pilots of most o
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Figure 10: Typical circuit entry me
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At non-towered aerodromes, circuits
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6.2 Why weren’t pilots monitoring
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6.3 Other alerted ‘see-and-avoid
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Not a substitute for maintaining an
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Figure 13: Damage to Piper PA-28 Wa
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7.3 Avoiding action taken and colli
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One airprox occurred between two pa
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The movement data elements 32 colle
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Notable changes in traffic mix betw
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expected number of occurrences; how
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Investigation number AO-2007-006 Wi
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8.4.4 Other recent investigations i
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9.1.1 Parachuting operations A numb
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9.1.4 Avoiding landing charges Ther
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See-and-avoid conflicts See-and-avo
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10.2 Previous ATSB studies into non
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10.4 What you need to do if you fly
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writing, data does not exist to eva
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Australian Transport Safety Bureau.
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