1AD/AC/66 Amdt 8 - Wing Fatigue Life Limitation

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes

AD/AC/66

Amdt 8

Wing Fatigue Life Limitation 13/89

Applicability: As specified in the Requirement.

Image unavailable in extracted textRequirement: Retire wing main spar lower cap assembly from service (or modify in accordance with a scheme approved by the Authority) in accordance with the schedule below:

AIRCRAFT MODELS AFFECTED

(The straps referred to are wing spar lower cap fatigue life improvement reinforcements)

SPAR CAP RETIREMENT LIFE

(Hours’ Time in Service)

<table cellspacing="0" cellpadding="0" style="margin-left:27.95pt; border-collapse:collapse"><tbody><tr style="height:20pt"><td style="width:269.35pt; border-top:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:122.3pt; border-top:0.75pt solid #000000; border-bottom:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:14.65pt; font-size:12pt"><span>MTOW</span><span style="letter-spacing:-0.5pt"> </span><span>of</span><span style="letter-spacing:-0.45pt"> </span><span>6750</span><span style="letter-spacing:-0.4pt"> </span><span style="letter-spacing:-0.25pt">lb.</span></p></td><td colspan="2" style="width:121.65pt; border-top:0.75pt solid #000000; border-bottom:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:14.3pt; font-size:12pt"><span>MTOW</span><span style="letter-spacing:-0.5pt"> </span><span>of</span><span style="letter-spacing:-0.45pt"> </span><span>7400</span><span style="letter-spacing:-0.4pt"> </span><span style="letter-spacing:-0.25pt">lb.</span></p></td></tr><tr style="height:19.5pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:5.7pt; font-size:12pt"><span style="letter-spacing:-0.2pt">500B</span></p></td><td colspan="2" style="width:122.3pt; border-top:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-right:45.15pt; margin-left:45.4pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">30400</span></p></td><td colspan="2" style="width:121.65pt; border-top:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:0.2pt; text-align:center; font-size:12pt"><span>-</span></p></td></tr><tr style="height:19.95pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span>500B</span><span style="letter-spacing:-0.25pt"> </span><span>used</span><span style="letter-spacing:-0.2pt"> </span><span>in</span><span style="letter-spacing:-0.2pt"> </span><span>low</span><span style="letter-spacing:-0.25pt"> </span><span>level</span><span style="letter-spacing:-0.2pt"> </span><span>survey</span><span style="letter-spacing:-0.2pt"> </span><span>type</span><span style="letter-spacing:-0.25pt"> </span><span style="letter-spacing:-0.1pt">operations</span></p></td><td colspan="2" style="width:122.3pt; vertical-align:top"><p class="TableParagraph" style="margin-right:45.25pt; margin-left:45.35pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">19900</span></p></td><td colspan="2" style="width:121.65pt; vertical-align:top"><p class="TableParagraph" style="margin-left:0.05pt; text-align:center; font-size:12pt"><span>-</span></p></td></tr><tr style="height:19.95pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span>500U</span><span style="letter-spacing:-0.25pt"> </span><span>with</span><span style="letter-spacing:-0.25pt"> </span><span>external</span><span style="letter-spacing:-0.25pt"> </span><span>strap</span><span style="letter-spacing:-0.25pt"> </span><span>(Pre</span><span style="letter-spacing:-0.25pt"> </span><span>S/N</span><span style="letter-spacing:-0.25pt"> </span><span style="letter-spacing:-0.1pt">1731)</span></p></td><td colspan="2" style="width:122.3pt; vertical-align:top"><p class="TableParagraph" style="margin-right:45.25pt; margin-left:45.25pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">23200</span></p></td><td colspan="2" style="width:121.65pt; vertical-align:top"><p class="TableParagraph" style="margin-right:44.95pt; margin-left:44.95pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">17700</span></p></td></tr><tr style="height:32pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:4.3pt; margin-left:5.7pt; line-height:87%; font-size:12pt"><span>500U</span><span style="letter-spacing:-0.2pt"> </span><span>with</span><span style="letter-spacing:-0.2pt"> </span><span>external</span><span style="letter-spacing:-0.2pt"> </span><span>strap</span><span style="letter-spacing:-0.2pt"> </span><span>(Pre</span><span style="letter-spacing:-0.2pt"> </span><span>S/N</span><span style="letter-spacing:-0.2pt"> </span><span>1731)</span><span style="letter-spacing:-0.2pt"> </span><span>and</span><span style="letter-spacing:-0.2pt"> </span><span>used</span><span style="letter-spacing:-0.2pt"> </span><span>in low level survey type operations</span></p></td><td colspan="2" style="width:122.3pt; vertical-align:top"><p class="TableParagraph" style="margin-right:45.2pt; margin-left:45.4pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">15900</span></p></td><td colspan="2" style="width:121.65pt; vertical-align:top"><p class="TableParagraph" style="margin-right:44.85pt; margin-left:45.05pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">12100</span></p></td></tr><tr style="height:20pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-left:5.65pt; font-size:12pt"><span style="letter-spacing:-0.2pt">560F</span></p></td><td colspan="2" style="width:122.3pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-right:45.2pt; margin-left:45.4pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">24100</span></p></td><td colspan="2" style="width:121.65pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:20.4pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.65pt; font-size:12pt"><span>560F</span><span style="letter-spacing:-0.25pt"> </span><span>used</span><span style="letter-spacing:-0.2pt"> </span><span>in</span><span style="letter-spacing:-0.2pt"> </span><span>low</span><span style="letter-spacing:-0.25pt"> </span><span>level</span><span style="letter-spacing:-0.2pt"> </span><span>survey</span><span style="letter-spacing:-0.2pt"> </span><span>type</span><span style="letter-spacing:-0.2pt"> </span><span style="letter-spacing:-0.1pt">operations</span></p></td><td colspan="2" style="width:122.3pt; border-bottom:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-right:45.25pt; margin-left:45.35pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">16300</span></p></td><td colspan="2" style="width:121.65pt; border-bottom:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:20pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:122.3pt; border-top:0.75pt solid #000000; border-bottom:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:14.65pt; font-size:12pt"><span>MTOW</span><span style="letter-spacing:-0.5pt"> </span><span>of</span><span style="letter-spacing:-0.45pt"> </span><span>8000</span><span style="letter-spacing:-0.4pt"> </span><span style="letter-spacing:-0.25pt">lb.</span></p></td><td colspan="2" style="width:121.65pt; border-top:0.75pt solid #000000; border-bottom:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:14.3pt; font-size:12pt"><span>MTOW</span><span style="letter-spacing:-0.5pt"> </span><span>of</span><span style="letter-spacing:-0.45pt"> </span><span>8500</span><span style="letter-spacing:-0.4pt"> </span><span style="letter-spacing:-0.25pt">lb.</span></p></td></tr><tr style="height:19.5pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:5.7pt; font-size:12pt"><span style="letter-spacing:-0.2pt">680F</span></p></td><td colspan="2" style="width:122.3pt; border-top:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-right:45.15pt; margin-left:45.4pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">17100</span></p></td><td colspan="2" style="width:121.65pt; border-top:0.75pt solid #000000; vertical-align:top"><p class="TableParagraph" style="margin-top:2.4pt; margin-left:0.15pt; text-align:center; font-size:12pt"><span>-</span></p></td></tr><tr style="height:19.95pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span>680FL</span><span style="letter-spacing:-0.3pt"> </span><span>with</span><span style="letter-spacing:-0.25pt"> </span><span>external</span><span style="letter-spacing:-0.25pt"> </span><span>strap</span><span style="letter-spacing:-0.25pt"> </span><span>(Pre</span><span style="letter-spacing:-0.25pt"> </span><span>S/N</span><span style="letter-spacing:-0.25pt"> </span><span style="letter-spacing:-0.1pt">1731)</span></p></td><td colspan="2" style="width:122.3pt; vertical-align:top"><p class="TableParagraph" style="margin-right:45.25pt; margin-left:45.25pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">17100</span></p></td><td colspan="2" style="width:121.65pt; vertical-align:top"><p class="TableParagraph" style="margin-right:44.95pt; margin-left:44.95pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">11200</span></p></td></tr><tr style="height:20pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span>680FL</span><span style="letter-spacing:-0.3pt"> </span><span>with</span><span style="letter-spacing:-0.25pt"> </span><span>internal</span><span style="letter-spacing:-0.25pt"> </span><span>strap</span><span style="letter-spacing:-0.25pt"> </span><span>(S/N</span><span style="letter-spacing:-0.25pt"> </span><span>1731</span><span style="letter-spacing:-0.25pt"> </span><span>and</span><span style="letter-spacing:-0.25pt"> on)</span></p></td><td colspan="2" style="width:122.3pt; vertical-align:top"><p class="TableParagraph" style="margin-right:45.25pt; margin-left:45.3pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.2pt">3900</span></p></td><td colspan="2" style="width:121.65pt; vertical-align:top"><p class="TableParagraph" style="margin-right:44.95pt; margin-left:45.05pt; text-align:center; font-size:12pt"><span style="letter-spacing:-0.1pt">30000</span></p></td></tr><tr style="height:16.65pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-left:5.7pt; line-height:12.8pt"><span style="font-size:12pt">680FL</span><span style="font-size:12pt; letter-spacing:-0.25pt"> </span><span style="font-size:12pt">(P)</span><span style="font-size:12pt; letter-spacing:-0.25pt"> </span><span style="font-size:12pt">with</span><span style="font-size:12pt; letter-spacing:-0.25pt"> </span><span style="font-size:12pt">external</span><span style="font-size:12pt; letter-spacing:-0.25pt"> </span><span style="font-size:12pt">strap</span><span style="font-size:12pt; letter-spacing:-0.25pt"> </span><span style="font-size:12pt">(Pre</span><span style="font-size:12pt; letter-spacing:-0.2pt"> </span><span style="font-size:12pt">S/N</span><span style="font-size:12pt; letter-spacing:-0.25pt"> </span><span style="font-size:12pt; letter-spacing:-0.1pt">1731)</span></p></td><td colspan="2" style="width:122.3pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; text-align:center; line-height:12.8pt"><span style="font-size:12pt">-</span></p></td><td colspan="2" style="width:121.65pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-right:44.95pt; margin-left:44.95pt; text-align:center; line-height:12.8pt"><span style="font-size:12pt; letter-spacing:-0.1pt">25200</span></p></td></tr><tr style="height:23.3pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:6.15pt; margin-left:5.7pt; font-size:12pt"><span style="letter-spacing:-0.2pt">680T</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-top:6.15pt; margin-left:26.35pt; font-size:12pt"><span style="letter-spacing:-0.1pt">27100</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:20pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span>680V,</span><span style="letter-spacing:-0.3pt"> </span><span>680W</span><span style="letter-spacing:-0.4pt"> </span><span>(Pre</span><span style="letter-spacing:-0.25pt"> </span><span>S/N</span><span style="letter-spacing:-0.3pt"> </span><span>1731)</span><span style="letter-spacing:-0.25pt"> </span><span>with</span><span style="letter-spacing:-0.25pt"> </span><span>external</span><span style="letter-spacing:-0.3pt"> </span><span style="letter-spacing:-0.1pt">strap</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-left:26.25pt; font-size:12pt"><span style="letter-spacing:-0.1pt">23500</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:20pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-left:5.7pt; font-size:12pt"><span style="letter-spacing:-0.25pt">685</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-left:26.35pt; font-size:12pt"><span style="letter-spacing:-0.1pt">20700</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:19.95pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span>690,</span><span style="letter-spacing:-0.25pt"> </span><span style="letter-spacing:-0.2pt">690A</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-left:26.35pt; font-size:12pt"><span style="letter-spacing:-0.1pt">12900</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:20pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span style="letter-spacing:-0.2pt">690B</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-left:26.35pt; font-size:12pt"><span style="letter-spacing:-0.1pt">11500</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:20pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-left:5.7pt; font-size:12pt"><span>690C,</span><span style="letter-spacing:-0.3pt"> </span><span>695</span><span style="letter-spacing:-0.3pt"> </span><span>-</span><span style="letter-spacing:-0.3pt"> </span><span>canted</span><span style="letter-spacing:-0.3pt"> </span><span>aerodynamic</span><span style="letter-spacing:-0.3pt"> </span><span>wing</span><span style="letter-spacing:-0.3pt"> </span><span style="letter-spacing:-0.2pt">tips</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-top:2.85pt; margin-left:26.35pt; font-size:12pt"><span style="letter-spacing:-0.1pt">11300</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:19.95pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; font-size:12pt"><span>690C,</span><span style="letter-spacing:-0.25pt"> </span><span>695</span><span style="letter-spacing:-0.25pt"> </span><span>-</span><span style="letter-spacing:-0.2pt"> </span><span>plain</span><span style="letter-spacing:-0.25pt"> </span><span>tips</span><span style="letter-spacing:-0.2pt"> </span><span>for</span><span style="letter-spacing:-0.25pt"> </span><span>total</span><span style="letter-spacing:-0.2pt"> </span><span>operational</span><span style="letter-spacing:-0.25pt"> </span><span style="letter-spacing:-0.2pt">life</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-left:26.35pt; font-size:12pt"><span style="letter-spacing:-0.1pt">24800</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:16.6pt"><td style="width:269.35pt; vertical-align:top"><p class="TableParagraph" style="margin-left:5.7pt; line-height:12.8pt"><span style="font-size:12pt; letter-spacing:-0.2pt">695A</span></p></td><td style="width:80.9pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td><td colspan="2" style="width:82.8pt; vertical-align:top"><p class="TableParagraph" style="margin-left:4.55pt; line-height:12.8pt"><span style="font-size:12pt">To</span><span style="font-size:12pt; letter-spacing:-0.15pt"> </span><span style="font-size:12pt">be</span><span style="font-size:12pt; letter-spacing:-0.1pt"> Advised.</span></p></td><td style="width:80.25pt; vertical-align:top"><p class="TableParagraph" style="margin-top:0pt"><span></span></p></td></tr><tr style="height:0pt"><td style="width:269.35pt"></td><td style="width:80.9pt"></td><td style="width:41.4pt"></td><td style="width:41.4pt"></td><td style="width:80.25pt"></td></tr></tbody></table>