{"id":"F2008L02640","name":"AD/PA-31/75 - King KFC 300 Autopilot Yaw Bridle Cable Clamps - Replacement - CANCELLED","slug":"ad-pa-31-75-king-kfc-300-autopilot-yaw-bridle-cable-clamps-replacement-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74677,"registerId":"commonwealth-F2008L02640-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-31 Series Aeroplanes","sectionType":"division","heading":"Piper PA-31 Series Aeroplanes","content":"### Piper PA-31 Series Aeroplanes\n\n| AD/PA-31/75 | King KFC 300 Autopilot Yaw BridleCable Clamps - Replacement | 8/2008 |\n| ----------- | ----------------------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                                                                     |\n| Background:  | This unique Australian AD required once-only replacement of King KFC 300 autopilot bridle clamps in accordance with King Installation Bulletin No. 129. The AD required compliance within 100 hours TIS after January 1979. All affected aircraft have now been modified. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n12 June 2008","sortOrder":0},{"sectionNumber":"AD/PA-31/75","sectionType":"part","heading":"AD/PA-31/75","content":"## AD/PA-31/75","sortOrder":1},{"sectionNumber":"King KFC 300 Autopilot Yaw BridleCable C","sectionType":"part","heading":"King KFC 300 Autopilot Yaw BridleCable Clamps - Replacement","content":"## King KFC 300 Autopilot Yaw Bridle  \nCable Clamps - Replacement","sortOrder":2},{"sectionNumber":"8/2008","sectionType":"part","heading":"8/2008","content":"## 8/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1369},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument does not alter the scope of the original regulatory scheme. It simply terminates the earlier directive covering Piper PA-31 aircraft with King KFC 300 autopilots, as the safety objective has been achieved fleet-wide."},"complexity_factors":["Single operative provision (cancellation of previous directive)","No defined terms requiring legal interpretation","No conditional logic, exceptions, or triggers","No cross-references to other legislation (only historical reference to the cancelled directive and associated bulletin)","Extremely short length with minimal substantive content"],"plain_english_summary":"This cancels a 1979 airworthiness directive that required replacing autopilot bridle cable clamps on Piper PA‑31 series aircraft equipped with the King KFC‑300. It affects owners/operators of those Pipers: because all affected airplanes have been modified, the maintenance requirement is rescinded and no longer applies as of July 31, 2008."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-75-king-kfc-300-autopilot-yaw-bridle-cable-clamps-replacement-cancelled","history":"/api/acts/ad-pa-31-75-king-kfc-300-autopilot-yaw-bridle-cable-clamps-replacement-cancelled/history","analysis":"/api/acts/ad-pa-31-75-king-kfc-300-autopilot-yaw-bridle-cable-clamps-replacement-cancelled/analysis","conflicts":"/api/acts/ad-pa-31-75-king-kfc-300-autopilot-yaw-bridle-cable-clamps-replacement-cancelled/conflicts","importantCases":"/api/acts/ad-pa-31-75-king-kfc-300-autopilot-yaw-bridle-cable-clamps-replacement-cancelled/important-cases","documents":"/api/acts/ad-pa-31-75-king-kfc-300-autopilot-yaw-bridle-cable-clamps-replacement-cancelled/documents"}}