{"id":"F2006B09547","name":"AD/EMY/28 - Aerazur Liferaft","slug":"ad-emy-28-aerazur-liferaft","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":54173,"registerId":"commonwealth-F2006B09547-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/EMY/28 - Aerazur Liferaft","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/28 Aerazur Liferaft 4/93\n\nApplicability: Aerazur Type 346 Liferaft.\n\n \n\nRequirement: Action in accordance with Aerazur Mandatory Service Bulletin 346.60.001.\n\n \n\nNote: DGAC AD 92-246(AB) refers.\n\n \n\nCompliance: Prior to 15 May 1993.\n\n \n\nBackground: Reports have been received of liferaft manual inflation/deflation valves with deteriorated flange material.\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\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument, as published, sets a mandatory action for Aerazur Type 346 liferafts to follow Aerazur Mandatory Service Bulletin 346.60.001 by a fixed date, citing deteriorated valve flange material as the reason (Applicability; Requirement; Compliance; Background). The text contains no indication that the AD's scope was altered from an earlier or original intent; it presents a single, narrowly targeted mandatory action and references an external service bulletin and a related foreign AD (Requirement; Note)."},"complexity_factors":["Narrow applicability limited to Aerazur Type 346 liferaft (Applicability)","Delegation of technical prescriptions to an external Mandatory Service Bulletin rather than inclusion in the AD text (Requirement)","Fixed compliance deadline imposes a time-limited obligation (Compliance)","Reference to a foreign airworthiness directive (DGAC AD 92-246(AB)), introducing cross-jurisdictional technical reliance (Note)","No quantification of costs, parts, or labour providers in the AD text, which shifts implementation detail to operators and service bulletin (Requirement; Compliance)"],"plain_english_summary":"What this instrument does (mechanics)\n\n- The Civil Aviation Safety Authority (CASA) issued an airworthiness directive that requires action on a specific model of liferaft: the Aerazur Type 346 liferaft (Applicability; header).\n- The directive makes compliance with Aerazur Mandatory Service Bulletin 346.60.001 compulsory for those liferafts (Requirement).\n- The directive sets a deadline for that work: compliance must be completed prior to 15 May 1993 (Compliance).\n\nWhy it was issued (stated reason)\n\n- The directive states it was issued because reports were received that some liferaft manual inflation/deflation valves have deteriorated flange material (Background). The AD also cross-references a French authority directive, DGAC AD 92-246(AB) (Note).\n\nWho it affects and who decides\n\n- Affected parties: owners/operators of Aerazur Type 346 liferafts are the parties required to carry out the mandated actions (Applicability; Requirement).\n- Decision-maker: the directive is issued under the Commonwealth airworthiness framework by the Civil Aviation Safety Authority (header). The technical steps to be performed are set out in the manufacturer’s Mandatory Service Bulletin, which the AD requires to be followed (Requirement).\n\nPractical implications, incentives and burdens\n\n- Compliance action is delegated to the manufacturer’s service bulletin rather than being prescribed step-by-step in the AD; operators must obtain and follow that bulletin to meet the AD (Requirement).\n- Who pays: the text requires owners/operators of the affected liferafts to have the work done by the compliance date; the AD does not specify funding arrangements or who provides parts or labour (Applicability; Requirement; Compliance).\n- Behaviour change: operators must arrange inspection/maintenance or whatever remedial steps the service bulletin specifies before the compliance date. The AD does not list the specific technical remedy itself (Requirement).\n- Market effects: because the AD mandates the manufacturer’s service bulletin, demand is directed toward organisations able to implement that bulletin and toward any parts the bulletin requires; the AD does not itself set prices, warranty or supply arrangements (Requirement).\n\nTrade-offs, risks and implementation notes\n\n- The AD requires a fixed completion date (Compliance), creating a time-limited obligation for affected operators.\n- The AD references an external technical document (Aerazur Mandatory Service Bulletin 346.60.001) and a foreign authority directive (DGAC AD 92-246(AB)); the AD therefore relies on external technical detail and cross-jurisdictional findings rather than repeating them in full (Requirement; Note).\n- The text does not quantify costs, prescribe who performs the work, nor offer alternative compliance paths in the AD itself; those details must be taken from the mandatory service bulletin or handled by the operator and maintenance providers (Requirement).\n\nSource citations: Applicability; Requirement; Compliance; Background; Note; header."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-limited safety directive targeting a specific product defect. It has not expanded beyond its original purpose of addressing deteriorated valve flange material in Aerazur Type 346 liferafts."},"complexity_factors":["Very short document — approximately 150 words","Only 1 defined term (the specific liferaft model)","Single, unambiguous compliance requirement (follow the service bulletin)","No nested conditions, exceptions, or cross-references to other legislation","Clear, fixed deadline with no alternative compliance methods stated","Minimal regulatory machinery — essentially a 'do this by then' instruction"],"plain_english_summary":"**What this is:** This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). Think of it as an official \"fix this now\" notice for aircraft equipment.\n\n**What it does:** It requires owners or operators of a specific type of emergency liferaft (the **Aerazur Type 346**) to carry out a specific repair or inspection. The work must follow instructions in a document called **Aerazur Mandatory Service Bulletin 346.60.001**.\n\n**Why it matters:** The liferaft's manual inflation/deflation valves have a problem — the rubber or sealing material around the valve flange can deteriorate. In an emergency, a faulty valve could mean the liferaft won't inflate properly or stay inflated, putting lives at risk.\n\n**Who must comply:** Anyone responsible for an Aerazur Type 346 liferaft installed on an Australian-registered aircraft.\n\n**Deadline:** The work had to be completed **before 15 May 1993**.\n\n**Key point:** This AD references a French aviation authority directive (DGAC AD 92-246(AB)), showing Australia was adopting an international safety finding."}},"importantCases":[],"_links":{"self":"/api/acts/ad-emy-28-aerazur-liferaft","history":"/api/acts/ad-emy-28-aerazur-liferaft/history","analysis":"/api/acts/ad-emy-28-aerazur-liferaft/analysis","conflicts":"/api/acts/ad-emy-28-aerazur-liferaft/conflicts","importantCases":"/api/acts/ad-emy-28-aerazur-liferaft/important-cases","documents":"/api/acts/ad-emy-28-aerazur-liferaft/documents"}}