{"id":"F2008L04506","name":"AD/PA-38/13 - Magnetic Compass Mounting Hardware - CANCELLED","slug":"ad-pa-38-13-magnetic-compass-mounting-hardware-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":76547,"registerId":"commonwealth-F2008L04506-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-38 (Tomahawk) Series Aeroplanes","sectionType":"division","heading":"Piper PA-38 (Tomahawk) Series Aeroplanes","content":"### Piper PA-38 (Tomahawk) Series Aeroplanes\n\n| AD/PA-38/13 | Magnetic Compass Mounting Hardware | 13/2008 |\n| ----------- | ---------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                           |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n|              | This AD is cancelled on 18 December 2008.                                                                                                                                                                                            |\n| Background:  | This unique Australian AD specified replacement of compass mounting hardware in accordance with Piper SL No. 877 Part VI. Compliance was required within 100 hours time in service after October 1979. The AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n6 November 2008","sortOrder":0},{"sectionNumber":"AD/PA-38/13","sectionType":"part","heading":"AD/PA-38/13","content":"## AD/PA-38/13","sortOrder":1},{"sectionNumber":"Magnetic Compass Mounting Hardware","sectionType":"part","heading":"Magnetic Compass Mounting Hardware","content":"## Magnetic Compass Mounting Hardware","sortOrder":2},{"sectionNumber":"13/2008","sectionType":"part","heading":"13/2008","content":"## 13/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2258},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates the original directive entirely, eliminating all compliance obligations rather than expanding the regulatory scope."},"complexity_factors":["Single operative clause (cancellation)","No defined terms or interpretation sections","No conditional logic, exceptions, or procedural steps","No cross-references to other legislative instruments (only historical reference to a superseded manufacturer service letter)","Extremely short length"],"plain_english_summary":"This instrument cancels a previous safety rule that required owners of **Piper PA-38 Tomahawk aircraft** to replace the magnetic compass mounting hardware.\n\n**What it does:**\n* **Removes a maintenance requirement:** The original directive (issued in 1979) mandated that owners replace the compass mounting hardware within 100 hours of flight time, following specifications in a Piper Service Letter.\n* **Effective date:** The cancellation took effect on **18 December 2008**.\n\n**Who it affects:**\n* Owners and operators of Piper PA-38 Tomahawk series aeroplanes.\n* Maintenance organisations that service these aircraft.\n\n**Why it matters:**\nThis removes an outdated regulatory burden. The Civil Aviation Safety Authority determined the compass hardware replacement was no longer necessary for safety, simplifying maintenance obligations for owners of these older aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-38-13-magnetic-compass-mounting-hardware-cancelled","history":"/api/acts/ad-pa-38-13-magnetic-compass-mounting-hardware-cancelled/history","analysis":"/api/acts/ad-pa-38-13-magnetic-compass-mounting-hardware-cancelled/analysis","conflicts":"/api/acts/ad-pa-38-13-magnetic-compass-mounting-hardware-cancelled/conflicts","importantCases":"/api/acts/ad-pa-38-13-magnetic-compass-mounting-hardware-cancelled/important-cases","documents":"/api/acts/ad-pa-38-13-magnetic-compass-mounting-hardware-cancelled/documents"}}