{"id":"F2007L04768","name":"AD/PA-23/47 - Front Seat Restraint Installations - Modification - CANCELLED","slug":"ad-pa-23-47-front-seat-restraint-installations-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":71303,"registerId":"commonwealth-F2007L04768-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-23 (Apache and Aztec) Series Ae","sectionType":"division","heading":"Piper PA-23 (Apache and Aztec) Series Aeroplanes","content":"### Piper PA-23 (Apache and Aztec) Series Aeroplanes\n\n| AD/PA-23/47 | Front Seat Restraint Installations - Modification | 1/2008 |\n| ----------- | ------------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                   |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 17 January 2008.                                                                                                                                     |\n| Background:  | This AD was issued in 1971 to require the installation of upper torso restraint on aircraft certified prior to 1967. This AD has been replaced by AD/GENERAL/74 Amendment 1. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n22 November 2007","sortOrder":0},{"sectionNumber":"AD/PA-23/47","sectionType":"part","heading":"AD/PA-23/47","content":"## AD/PA-23/47","sortOrder":1},{"sectionNumber":"Front Seat Restraint Installations - Mod","sectionType":"part","heading":"Front Seat Restraint Installations - Modification","content":"## Front Seat Restraint Installations - Modification","sortOrder":2},{"sectionNumber":"1/2008","sectionType":"part","heading":"1/2008","content":"## 1/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1869},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"This instrument has been completely cancelled and its requirements subsumed into a general airworthiness directive (AD/GENERAL/74). The scope has shifted from a specific mandate applying only to Piper PA-23 aircraft to a fleet-wide safety requirement covering multiple aircraft types under a single instrument."},"complexity_factors":["Single operative provision (cancellation)","No substantive regulatory text or compliance requirements remaining","No defined terms, cross-references, or conditional logic","Document consists solely of historical background and cancellation date"],"plain_english_summary":"This cancels the 1971 requirement that front seats of pre‑1967 Piper PA‑23 Apache and Aztec aircraft be fitted with shoulder harnesses. As of 17 January 2008 that specific directive is no longer in force and its requirement is now covered by the broader AD/GENERAL/74 Amendment 1. Owners, operators, maintenance engineers and pilots of PA‑23s should follow the newer general rule instead."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-23-47-front-seat-restraint-installations-modification-cancelled","history":"/api/acts/ad-pa-23-47-front-seat-restraint-installations-modification-cancelled/history","analysis":"/api/acts/ad-pa-23-47-front-seat-restraint-installations-modification-cancelled/analysis","conflicts":"/api/acts/ad-pa-23-47-front-seat-restraint-installations-modification-cancelled/conflicts","importantCases":"/api/acts/ad-pa-23-47-front-seat-restraint-installations-modification-cancelled/important-cases","documents":"/api/acts/ad-pa-23-47-front-seat-restraint-installations-modification-cancelled/documents"}}