Amateur-built and experimental aircraft - Australian Transport Safety ...
Amateur-built and experimental aircraft - Australian Transport Safety ...
Amateur-built and experimental aircraft - Australian Transport Safety ...
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3 RESULTS AND DISCUSSION<br />
This chapter of the report is organised in the following way:<br />
• details of the surveys received<br />
• respondents, their pilot experience, <strong>and</strong> general characteristics<br />
• type of <strong>aircraft</strong> <strong>and</strong> certificate<br />
• reason for purchase<br />
• build process <strong>and</strong> modifications<br />
• test flights<br />
• second-h<strong>and</strong> <strong>and</strong> cost<br />
• maintenance.<br />
3.1 Survey details<br />
Number of responses by source<br />
The number of valid surveys received by the <strong>Australian</strong> <strong>Transport</strong> <strong>Safety</strong> Bureau<br />
(ATSB) is shown in Figure 14. Over half of all surveys were web-based (203 of<br />
353, or 57.5 per cent), 132 of 353 (37.4 per cent) were ATSB paper surveys<br />
returned by mail, <strong>and</strong> 18 of 353 (5.1 per cent) were printed Portable Document Files<br />
(PDF) surveys sent the ATSB by mail.<br />
Figure 14: Survey by source<br />
Time to complete<br />
The time taken to complete the survey was recorded for 341 of 353 responses. The<br />
mean time to complete was 18 minutes, <strong>and</strong> median was 15 minutes. Most people<br />
completed the survey within 30 minutes, but a small number of people took over 1<br />
hour. The survey took longer to complete than the time suggested in the<br />
introductory letter attached to the survey; this was 10 minutes.<br />
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