{"id":"F2006B05436","name":"AD/PA-22/31 - Fire Hazard Prevention - Inspection and Rework","slug":"ad-pa-22-31-fire-hazard-prevention-inspection-and-rework","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":46147,"registerId":"commonwealth-F2006B05436-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-22/31 - Fire Hazard Prevention - Inspection and Rework","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Piper PA-22 (Tri-Pacer and Colt) Series Aeroplanes\n\n \n\nAD/PA-22/31 Fire Hazard Prevention - Inspection and Rework 4/85 DM\n\nApplicability: All models. Requirement: Piper SB 161A.\n\nNote: FAA AD 57-22-1 refers.\n\n \n\nCompliance: Within 25 hours time-in-service after 31 March 1985 and thereafter at intervals not exceeding 100 hours.\n\n \n\nBackground: Following an in-flight fire it has been considered necessary to re-issue the requirements of cancelled AD/PA-22/10.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The instrument expressly states it re-issues the requirements of a previously cancelled directive (\"re-issue the requirements of cancelled AD/PA-22/10\"). That indicates the AD restores the earlier directive's requirements rather than expanding or narrowing them in this text; no differing scope is stated in the AD itself."},"complexity_factors":["Mandates a specific external technical document (Piper SB 161A) rather than setting out step-by-step procedures inside the AD, requiring operators to consult the SB.","Recurring compliance schedule (initial action within 25 hours after a fixed date, then every 100 hours) requiring ongoing recordkeeping and operational scheduling.","Reference to another regulator's AD (FAA AD 57-22-1), creating cross‑jurisdictional technical dependencies.","Scope covers all models of the PA-22 series, increasing the number of operators affected but keeping the substantive requirement uniform.","The AD is brief and relies on external materials for technical detail, which increases implementation uncertainty for operators without immediate access to the service bulletin or parts."],"plain_english_summary":"This AD mandates that owners/operators of all Piper PA‑22 (Tri‑Pacer and Colt) aeroplanes perform the inspection and any corrective rework specified in Piper Service Bulletin 161A, initially within 25 hours TIS after 31 March 1985 and then at intervals not exceeding 100 hours. It was re‑issued after an in‑flight fire, cites FAA AD 57‑22‑1, and makes compliance (and associated costs, recordkeeping and maintenance arrangements) the responsibility of the owner/operator."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific fire hazard in a specific aircraft type. The scope remains precisely limited to fire prevention inspections for Piper PA-22 series aircraft, consistent with the original purpose of preventing in-flight fires. The reference to reinstating a cancelled directive (AD/PA-22/10) does not represent scope creep but rather continuity of safety oversight."},"complexity_factors":["Very short document (approximately 150 words)","Only 1 defined term implicitly referenced (Piper SB 161A)","No cross-references to other legislation sections","Simple conditional logic: single compliance trigger (time-in-service hours)","No nested exceptions or subordinate provisions","Straightforward applicability statement ('All models')","Single requirement with clear timeframes"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** issued by Australia's Civil Aviation Safety Authority (CASA) that applies to **Piper PA-22 Tri-Pacer and Colt series aeroplanes**.\n\n**What it does:**\n- Requires owners and operators of these aircraft to carry out specific **fire hazard prevention inspections and rework**\n- Mandates compliance with **Piper Service Bulletin 161A** (a manufacturer's technical instruction)\n\n**Who must comply:**\n- Anyone who owns or operates any model of Piper PA-22 aircraft\n\n**When it must be done:**\n- **First inspection:** Within 25 hours of flying time after 31 March 1985\n- **Ongoing:** Repeated every 100 hours of flying time thereafter\n\n**Why it matters:**\nThis directive was issued after an **in-flight fire occurred** in one of these aircraft. It reinstates safety requirements from an earlier cancelled directive (AD/PA-22/10) to prevent fires from happening again. The reference to FAA AD 57-22-1 indicates this aligns with a similar American safety requirement.\n\n**In short:** If you fly a Piper PA-22, you must regularly inspect and fix potential fire hazards to keep the aircraft safe."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-22-31-fire-hazard-prevention-inspection-and-rework","history":"/api/acts/ad-pa-22-31-fire-hazard-prevention-inspection-and-rework/history","analysis":"/api/acts/ad-pa-22-31-fire-hazard-prevention-inspection-and-rework/analysis","conflicts":"/api/acts/ad-pa-22-31-fire-hazard-prevention-inspection-and-rework/conflicts","importantCases":"/api/acts/ad-pa-22-31-fire-hazard-prevention-inspection-and-rework/important-cases","documents":"/api/acts/ad-pa-22-31-fire-hazard-prevention-inspection-and-rework/documents"}}