Amateur-built and experimental aircraft - Australian Transport Safety ...

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Amateur-built and experimental aircraft owners who perform maintenance may have less time pressures than RPT services where delays in returning aircraft to service may be a significant cost for airlines. On the other hand, not all people who own aircraft have a mechanical background. Even where a person does have the necessary skills to perform maintenance, they may not be approved to do it. For example, one respondent to the survey in this report owned two identical aircraft, the first built by the respondent, and the second by another person. Both have the same engine and propeller, but the owner is only allowed to perform maintenance on the respondent-built aircraft. Amateur Built Aircraft Approval aircraft owners with a maintenance authority and all experimental aircraft owners, can perform some or all of the maintenance on their aircraft. Based on the idea that not everyone will want to maintain all aspects of an aircraft, a series of survey questions requested information on who performs airframe, engine, and avionics. These were multiple response questions with the possibility of up to four answers for each major component. 3.10.1 Airframe maintenance Figure 95 records who performed airframe maintenance. There were 407 responses from 353 respondents, 303 of 407 (85.8 per cent) providing one response, 46 of 407 (13.0 per cent) providing two responses and 4 of 407 (1.1 per cent) providing three responses. This shows that the respondent most frequently performed airframe maintenance, followed by a LAME and then another person; this included cobuilders, other aircraft builders, and the original kit manufacturer. Figure 95: Airframe maintenance - 104 -
Airframe maintenance more than one person Figure 96 records values where more than one person performed airframe maintenance. This shows that the most common arrangement was the respondent and a LAME. Figure 96: Airframe maintenance multiple people 3.10.2 Engine maintenance Three-hundred and fifty-three (353) people provided 418 answers to the question on who performed engine maintenance. Two-hundred and ninety-three of 418 (83 per cent) provided one answer, 55 of 418 (15.6 per cent) provided two answers, and 5 of 418 (1.4 per cent) provided three answers. This shows that a LAME performed maintenance on engines among 49 per cent of respondents, followed by the respondent (47.1 per cent), and another person (3.8 per cent). The others in this category were engine dyno tuners for automotive engines. The proportion of respondents who used a LAME for engine maintenance was significantly higher than for airframes (50 per cent versus 34 per cent). Figure 97: Engine maintenance Engine maintenance more than one person Figure 98 records respondents where multiple people performed engine maintenance. This shows that the respondent and a LAME was the most frequently occurring combination of people, accounting for 83 per cent of respondents using more than one person for engine maintenance. - 105 -
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ATSB TRANSPORT SAFETY REPORT Aviati
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Published by: Australian Transport
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3.2.6 Type of flying performed in A
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THE AUSTRALIAN TRANSPORT SAFETY BUR
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- viii -
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GAS General Aviation Survey GAAS Ge
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Collectively, these aircraft are ca
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Figure 4: A SeaRey amphibious aircr
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comparison to ABE aircraft. 4 For e
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picture of why people built aircraf
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the Australian civil aircraft regis
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Figure 11: Amateur Built Aircraft A
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One of the great sticking points fo
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Committee (the Committee); committe
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The variety of aircraft administere
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1.6 Aims 1.7 Scope The aims of this
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18 per cent of aircraft did not fly
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Maintenance, cost, age and comments
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It is not always clear if stall spe
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phenomenon, means are reported alon
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- 30 -
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3.2 Respondents 3.2.1 Age The ABE a
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Figure 18: Type of flying performed
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Three survey respondents reported f
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3.2.6 Type of flying performed in A
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there are sufficient numbers on the
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Year of design The year of design,
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Source: Falco Builders Newsletter D
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Figure 34: Aircraft flight rules Ci
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the wing loading. In this instance,
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Figure 38: Aircraft airframe hours
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Figure 39: Build and operating cert
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Page 76 and 77: Table 6: Aircraft modifications wit
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Page 86 and 87: Figure 68: Rating of other aircraft
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Page 98 and 99: Emergency procedures. Two people ma
Page 100 and 101: 3.7 Aircraft building cost Total ai
Page 102 and 103: Figure 87: Nice-to-have documents o
Page 104 and 105: Where people undertook transition t
Page 106 and 107: Table 8: Private versus all other s
Page 108 and 109: Table 13: Transition training by se
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Page 112 and 113: 3.9.5 When transition training was
Page 114 and 115: As pointed out in An Overview of Hu
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Page 122 and 123: About half the respondents spent be
Page 124 and 125: Cessna Aircraft Company. (2009). Sk
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Page 138 and 139: APPENDIX C: TABLES OF RESPONSES Bui
Page 140 and 141: Table 27: Maiden flight by transiti
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