{"id":"F2006B09542","name":"AD/EMY/23 - Aerazur Life Rafts","slug":"ad-emy-23-aerazur-life-rafts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":54164,"registerId":"commonwealth-F2006B09542-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/EMY/23 - Aerazur Life Rafts","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 - 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Emergency Equipment\n\n \n\nAD/EMY/23 Aerazur Life Rafts 12/90\n\nApplicability: Aerazur life rafts with part numbers listed in Aerazur SB BS 332.60.002 and up to S/N 175 inclusive.\n\n \n\nRequirement: Action in accordance with Aerazur SB BS 332.60.002.\n\n \n\nNote: DGAC AD 90-128 AB refers.\n\n \n\nCompliance: Unless already accomplished, at the next scheduled inspection for issue of Maintenance Release after 29 November 1990.\n\n \n\nBackground: Country of origin AD. Raft package vent pipes have been found bent and closed off.\n\nFailure of package venting may cause deployment of raft during flight at altitude.\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":3,"scope_assessment":{"changed":false,"description":"The AD adopts the corrective action referenced by the country-of-origin directive and confines applicability to Aerazur life rafts listed in Aerazur SB BS 332.60.002 up to serial number 175 (Applicability; Note). The text contains no measures that expand or narrow that described scope beyond adopting the SB and setting a compliance timing at the next Maintenance Release inspection (Requirement; Compliance)."},"complexity_factors":["Narrow technical scope (specific part numbers and serial numbers up to S/N 175) (Applicability)","Mandates compliance with an external document (Aerazur SB BS 332.60.002) rather than prescribing technical detail in the AD (Requirement)","Fixed compliance timing linked to the next scheduled Maintenance Release inspection after a specified date (Compliance)","Safety-critical consequence but simple corrective aim (prevent raft deployment due to blocked vent pipes) (Background)","Dependence on accurate identification of affected units by part number/serial number increases administrative effort (Applicability)","Absence of cost, labor, parts or alternative compliance information in the AD itself increases reliance on external documents and operator judgement (Requirement)"],"plain_english_summary":"What this instrument does (mechanics)\n\n- Requires that Aerazur life rafts identified by the part numbers listed in Aerazur Service Bulletin BS 332.60.002 and with serial numbers up to and including 175 be inspected and acted on in accordance with that Aerazur service bulletin (Requirement; Applicability).\n- Specifies the timing: the required action must be completed, unless already done, at the next scheduled inspection for issue of the aircraft Maintenance Release after 29 November 1990 (Compliance).\n\nOfficial stated purpose and the safety problem being addressed\n\n- The AD states the safety concern: raft package vent pipes have been found bent and closed off, and failure of package venting may cause a life raft to deploy during flight at altitude (Background). The AD therefore adopts the manufacturer service bulletin as the required corrective action (Requirement; Note).\n\nWho decides and who acts\n\n- The AD compels the organisation responsible for maintenance to carry out the actions set out in Aerazur SB BS 332.60.002 at the prescribed maintenance opportunity (Compliance). The AD itself does not allocate costs or name who pays; it places a mandatory work requirement on operators/maintenance providers responsible for affected equipment (Applicability; Requirement; Compliance).\n\nWhat owners/operators must do and how behaviour changes\n\n- Owners/operators who have the affected raft part numbers/serial numbers must ensure the service bulletin action is performed when the next scheduled maintenance inspection for issue of the Maintenance Release occurs (Applicability; Requirement; Compliance).\n- Practically, this means identifying affected life rafts by part number and serial number, arranging for the SB-specified inspection/repair to be carried out, and recording that action in maintenance documentation at the Maintenance Release inspection (Applicability; Requirement; Compliance).\n\nCompliance burden, discretion and implementation risk\n\n- Burden: The AD requires following an external document (Aerazur SB BS 332.60.002). The AD does not describe the specific tasks, time or parts needed — those details are in the service bulletin (Requirement). The AD therefore imposes an operational burden on maintenance providers to obtain and comply with the SB during the next Maintenance Release inspection (Compliance; Requirement).\n- Discretion: Timing discretion is limited to the next scheduled inspection for issue of the Maintenance Release after the specified date; there is no permissive long-term deferral in the AD text (Compliance). The AD does not provide discretion on acceptable alternative methods; it mandates compliance with the manufacturer SB (Requirement).\n- Implementation risks: Correct identification of affected units depends on accurate recording of part numbers and serial numbers (Applicability). Because the AD refers to an external SB for technical steps, incomplete access to that SB or differences between the SB and on-aircraft condition could complicate compliance (Requirement).\n\nCosts, incentives and trade-offs\n\n- The AD’s corrective action is framed as a safety measure to prevent inadvertent in-flight raft deployment (Background). It creates a direct compliance cost for operators who have affected rafts because they must perform the SB action at the specified maintenance event; the AD itself does not state who bears financial costs (Requirement; Compliance).\n- The AD shifts the immediate decision to act onto operators/maintenance organisations at the next Maintenance Release inspection, so operators can schedule work to coincide with planned maintenance rather than requiring an immediate out-of-cycle shop visit (Compliance). This reduces the likelihood of an unscheduled grounding but still obliges action at the next release inspection.\n\nRelationship to foreign action\n\n- The AD notes it refers to the country-of-origin airworthiness directive (DGAC AD 90-128 AB) and uses the manufacturer service bulletin as the required action, indicating this instrument adopts the corrective approach used by the equipment’s state of design (Note; Requirement).\n\nConcrete who-pays / who-decides statements (source-grounded)\n\n- Who decides timing: maintenance/airworthiness holder must perform the SB action at the next scheduled inspection for issue of the Maintenance Release (Compliance).\n- Who pays: the AD does not specify financial responsibility; the text obliges compliance but does not allocate costs (Requirement; Compliance).\n\nCaveats on limits of the text\n\n- The AD mandates compliance with a manufacturer service bulletin but does not include the technical steps, parts, man-hours, or cost estimates in the AD text; those are in Aerazur SB BS 332.60.002 (Requirement). The AD also does not specify approved alternative means of compliance or financial arrangements (Requirement; Compliance)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-bound safety directive addressing a specific manufacturing defect in specific equipment. It has not expanded beyond its original purpose of mandating inspection/repair of bent vent pipes on affected life rafts."},"complexity_factors":["Very short document (under 200 words)","Only 2 defined applicability criteria (part numbers in referenced SB, serial number range)","Single compliance action with clear deadline","No nested exceptions or conditional logic","Minimal cross-referencing (one service bulletin, one foreign AD reference)","Straightforward cause-and-effect safety rationale"],"plain_english_summary":"**What this is:** This is an Airworthiness Directive (AD) — essentially a mandatory safety notice issued by Australia's Civil Aviation Safety Authority (CASA). Think of it like a compulsory recall notice, but for aircraft equipment rather than cars.\n\n**What it does:** It orders owners and operators of specific Aerazur life rafts to inspect and fix a dangerous manufacturing defect. The problem is that vent pipes on these life raft packages have been found bent and blocked shut. If these vents can't work properly, the life raft might accidentally inflate while the plane is flying at high altitude — which could be catastrophic.\n\n**Who it affects:** Anyone operating aircraft with Aerazur life rafts that match specific part numbers listed in Aerazur Service Bulletin BS 332.60.002, and with serial numbers up to 175.\n\n**What must be done:** Operators must follow the instructions in that Aerazur Service Bulletin to fix the vent pipe problem. This must be done by the next scheduled inspection for issuing a Maintenance Release (a document certifying an aircraft is safe to fly) after 29 November 1990.\n\n**Why it matters:** This prevents accidental mid-flight deployment of emergency equipment, which could damage the aircraft, injure passengers, or render the life raft unusable in an actual emergency."}},"importantCases":[],"_links":{"self":"/api/acts/ad-emy-23-aerazur-life-rafts","history":"/api/acts/ad-emy-23-aerazur-life-rafts/history","analysis":"/api/acts/ad-emy-23-aerazur-life-rafts/analysis","conflicts":"/api/acts/ad-emy-23-aerazur-life-rafts/conflicts","importantCases":"/api/acts/ad-emy-23-aerazur-life-rafts/important-cases","documents":"/api/acts/ad-emy-23-aerazur-life-rafts/documents"}}