{"id":"F2009L00999","name":"AD/PA-44/16 - Ailerons - CANCELLED","slug":"ad-pa-44-16-ailerons-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":78631,"registerId":"commonwealth-F2009L00999-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-44 (Seminole) Series Aeroplanes","sectionType":"division","heading":"Piper PA-44 (Seminole) Series Aeroplanes","content":"### Piper PA-44 (Seminole) Series Aeroplanes\n\n| AD/PA-44/16 | Ailerons | 4/2009 |\n| ----------- | -------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                                 |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 9 April 2009.                                                                                                                                                                                                                                                                                      |\n| Background:  | This unique Australian AD specified periodic inspection of both ailerons for cracking of the nose ribs and hinge brackets. Inspection was required at intervals not exceeding 500 hours time in service. This AD was not based on a Piper service document. Using an AD to mandate this inspection is no longer warranted. |\n\n![](image.001.png)\n\nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n6 February 2009","sortOrder":0},{"sectionNumber":"AD/PA-44/16","sectionType":"part","heading":"AD/PA-44/16","content":"## AD/PA-44/16","sortOrder":1},{"sectionNumber":"Ailerons","sectionType":"part","heading":"Ailerons","content":"## Ailerons","sortOrder":2},{"sectionNumber":"4/2009","sectionType":"part","heading":"4/2009","content":"## 4/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1509},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"This instrument completely removes the mandatory inspection requirements that were the original purpose of AD/PA-44/16, changing the scope from active safety regulation to nil obligations."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic or exceptions","Only references the instrument being cancelled without complex cross-referencing"],"plain_english_summary":"**What this does:** This document cancels a previous aviation safety rule that required regular inspections of wing controls (**ailerons**) on Piper PA-44 Seminole aircraft.\n\n**Who it affects:** Owners and operators of Piper PA-44 Seminole aeroplanes.\n\n**What changed:** Previously, you had to inspect the ailerons for cracks every 500 hours of flight time. This cancellation removes that requirement entirely because the Civil Aviation Safety Authority (CASA) decided those inspections were no longer warranted."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-44-16-ailerons-cancelled","history":"/api/acts/ad-pa-44-16-ailerons-cancelled/history","analysis":"/api/acts/ad-pa-44-16-ailerons-cancelled/analysis","conflicts":"/api/acts/ad-pa-44-16-ailerons-cancelled/conflicts","importantCases":"/api/acts/ad-pa-44-16-ailerons-cancelled/important-cases","documents":"/api/acts/ad-pa-44-16-ailerons-cancelled/documents"}}