{"id":"F2006B09543","name":"AD/EMY/24 - Aerazur Life Rafts","slug":"ad-emy-24-aerazur-life-rafts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":54165,"registerId":"commonwealth-F2006B09543-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/EMY/24 - Aerazur Life Rafts","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nEmergency Equipment\n\nAD/EMY/24 Aerazur Life Rafts 11/91\n\nApplicability: Aerazur life rafts with part numbers listed in the requirement document and serial numbers up to 198, which are installed on Aerospatiale Helicopters.\n\nRequirement: Action in accordance with the Technical Requirements of DGAC AD 91-166 (AB).\n\nNote: Aerazur SB 332.60.003 Revision 1 refers.\n\nCompliance: As specified in the Requirement Document but with a revised compliance time of 31 December 1991 for life rafts which are installed on Australian registered aircraft.\n\nBackground: This Directive requires installation of additional rivets to increase the life raft top cover ejection resistance and a check of the vent hole passage to prevent untimely opening. The compliance time required by the French Authority is extended by two months.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The AD does not change the technical scope of the foreign directive; it adopts the same technical requirements (installation of additional rivets and vent-hole checks) by reference to DGAC AD 91-166 and Aerazur SB 332.60.003 Revision 1 (Requirement; Note; Background). The only substantive change relative to the French timing is an extended compliance date for Australian-registered aircraft (set to 31 December 1991), which alters the deadline but not the set of required actions or the population of affected parts/aircraft (Compliance; Background)."},"complexity_factors":["Cross-reference to an external authority's AD (DGAC AD 91-166) and a manufacturer service bulletin (Aerazur SB 332.60.003 Revision 1) — requires obtaining and following other documents (Requirement; Note).","Narrow applicability by part numbers and serial number ceiling (up to 198), and limited to Aerospatiale helicopters — requires record checks to determine affected units (Applicability).","Administrative modification of compliance timing for Australian-registered aircraft (Compliance; Background).","Technical action is straightforward (install rivets, check vent hole) but must be performed in accordance with external technical specifications (Background; Requirement)."],"plain_english_summary":"This AD mandates modification and inspection of specified Aerazur life rafts fitted to Aerospatiale helicopters, following the French DGAC AD 91-166 and Aerazur SB 332.60.003 Rev 1. It affects owners/operators of rafts with the listed part/serial numbers (up to 198).\n\nThe work (rivet installation and vent-hole check) prevents premature top‑cover ejection; compliance costs and downtime fall to operators. Australian‑registered aircraft have until 31 December 1991 to comply (a two‑month extension to the French deadline)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-limited safety directive from 1991 addressing a specific mechanical defect in specific life raft models. It has not expanded beyond its original narrow technical purpose."},"complexity_factors":["Single, specific safety requirement with clear mechanical actions (rivet installation + vent check)","Only 2 defined scope criteria (part numbers in external document, serial numbers ≤198)","One external cross-reference to French aviation authority document (DGAC AD 91-166)","One additional reference to manufacturer service bulletin (Aerazur SB 332.60.003)","Simple conditional logic: applicability limited to Aerospatiale Helicopters only","No nested exceptions or sub-delegations of authority"],"plain_english_summary":"This is an **Airworthiness Directive** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) that requires specific repairs or inspections on aircraft equipment.\n\n**What it does:**\nOrders owners and operators of certain **Aerazur life rafts** (emergency inflatable escape devices) to carry out two specific safety modifications:\n- Install extra rivets to make the life raft's top cover harder to eject accidentally\n- Check that vent holes are clear to stop the raft from opening at the wrong time\n\n**Who it affects:**\n- Anyone with an Australian-registered aircraft that has **Aerazur life rafts** installed on **Aerospatiale Helicopters**\n- Specifically applies to life rafts with serial numbers up to 198 and certain part numbers (listed in a separate French technical document)\n\n**Why it matters:**\nLife rafts that deploy accidentally or fail to deploy properly in an emergency can cost lives. This directive fixes a design flaw identified by French aviation authorities (DGAC). Australian operators get a slightly longer deadline (two months extra) than their French counterparts to complete the work.\n\n**Key deadline:**\nAll modifications must be completed by **31 December 1991** for Australian-registered aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-emy-24-aerazur-life-rafts","history":"/api/acts/ad-emy-24-aerazur-life-rafts/history","analysis":"/api/acts/ad-emy-24-aerazur-life-rafts/analysis","conflicts":"/api/acts/ad-emy-24-aerazur-life-rafts/conflicts","importantCases":"/api/acts/ad-emy-24-aerazur-life-rafts/important-cases","documents":"/api/acts/ad-emy-24-aerazur-life-rafts/documents"}}