{"id":"F2008L02537","name":"AD/CESSNA 150/12 - Seat Belt Attachment - CANCELLED","slug":"ad-cessna-150-12-seat-belt-attachment-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74511,"registerId":"commonwealth-F2008L02537-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 150, F150, 152 & F152 Series Aero","sectionType":"division","heading":"Cessna 150, F150, 152 & F152 Series Aeroplanes","content":"### Cessna 150, F150, 152 & F152 Series Aeroplanes\n\n| AD/CESSNA 150/12 | Seat Belt Attachment | 8/2008 |\n| ---------------- | -------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                       |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                                                                                                            |\n| Background:  | This unique Australian AD, issued in 1964, required modification of the nut-plate used for attaching the safety belt attach bracket in accordance with Cessna Service Letter No. 64-58 Item 2. The AD compliance was forthwith. As all aircraft would have been modified long ago, the AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n18 June 2008","sortOrder":0},{"sectionNumber":"AD/CESSNA 150/12","sectionType":"part","heading":"AD/CESSNA 150/12","content":"## AD/CESSNA 150/12","sortOrder":1},{"sectionNumber":"Seat Belt Attachment","sectionType":"part","heading":"Seat Belt Attachment","content":"## Seat Belt Attachment","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":2187},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument is a revocation that terminates the Airworthiness Directive entirely. It does not expand the scope beyond the original purpose; rather, it removes the regulatory requirement completely on the basis that compliance has been achieved fleet-wide."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No cross-references to other legislation","No conditional logic, exceptions, or procedural steps","Approximately 80 words of substantive regulatory text"],"plain_english_summary":"This instrument revokes Airworthiness Directive 150/12, which in 1964 mandated modification of the seat‑belt nut‑plate on Cessna 150/152 and related light aircraft per Cessna Service Letter No. 64‑58.  \n\nBecause the requirement was immediate and more than 40 years have passed, regulators presume the fleet has been modified; the AD is no longer necessary and ceases on 31 July 2008—no action required by owners/operators."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-150-12-seat-belt-attachment-cancelled","history":"/api/acts/ad-cessna-150-12-seat-belt-attachment-cancelled/history","analysis":"/api/acts/ad-cessna-150-12-seat-belt-attachment-cancelled/analysis","conflicts":"/api/acts/ad-cessna-150-12-seat-belt-attachment-cancelled/conflicts","importantCases":"/api/acts/ad-cessna-150-12-seat-belt-attachment-cancelled/important-cases","documents":"/api/acts/ad-cessna-150-12-seat-belt-attachment-cancelled/documents"}}