{"id":"F2006B09531","name":"AD/EMY/13 - Aircruisers Discharge Valves - Inspection","slug":"ad-emy-13-aircruisers-discharge-valves-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":54145,"registerId":"commonwealth-F2006B09531-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/EMY/13 - Aircruisers Discharge Valves - Inspection","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/13 Aircruisers Discharge Valves - Inspection 1/78\n\nApplicability: All Air Cruisers Company inflatables with discharge valves P/N D29517 series and D18259 series.\n\n \n\nDocument: Air Cruisers Company SIL 114-77-2.\n\n \n\nCompliance: Before 1 June 1978 and thereafter at any time inflatable is removed for inspection.\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\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive focused specifically on identified defective valve components. It has not expanded beyond its original technical scope."},"complexity_factors":["Extremely short document (under 150 words)","Only 2 defined part number series (D29517 and D18259)","Single compliance requirement with one temporal condition","No cross-references to other legislation or regulations beyond the parent Civil Aviation Regulations 1998","No nested exceptions or conditional logic","Simple binary applicability test (does your equipment match these part numbers?)"],"plain_english_summary":"**What this is:** This is an Airworthiness Directive (AD) — essentially a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) requiring specific maintenance action on certain aircraft emergency equipment.\n\n**What it does:** It orders owners and operators to inspect the discharge valves on inflatable emergency slides/rafts made by Air Cruisers Company. Specifically, it applies to valves with part numbers starting with D29517 or D18259.\n\n**Who must comply:** Anyone operating aircraft equipped with these specific Air Cruisers inflatable devices.\n\n**What must be done:** \n- **First inspection:** Must be completed before 1 June 1978\n- **Ongoing inspections:** Required whenever the inflatable is removed for any inspection\n\n**Why it matters:** Discharge valves control the release of inflation gas in emergency slides and life rafts. A faulty valve could mean the difference between a successful emergency evacuation and a catastrophic failure when lives depend on rapid deployment. This directive likely responds to a discovered defect or failure pattern in these valve models.\n\n**Key reference:** Operators must follow Air Cruisers Company Service Information Letter (SIL) 114-77-2 for the exact inspection procedure."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains a narrowly defined scope limited to Air Cruisers Company inflatables fitted with discharge valves P/N D29517 series and D18259 series (Applicability). It prescribes a single inspection timing regime (before 1 June 1978 and thereafter whenever the inflatable is removed for inspection) and refers implementers to Air Cruisers Company SIL 114-77-2 for technical detail (Document; Compliance). There is no indication in the text that the scope is broader or different from that stated."},"complexity_factors":["Narrow, specific applicability to two part-number series (low scope breadth). (Applicability)","Simple, single-statement compliance timing tied to a calendar date and to removal events (straightforward timing). (Compliance)","Substantive inspection procedure is not included in the text and is delegated to a referenced Service Information Letter (SIL), creating a dependency on external technical material. (Document)","No detailed enforcement, alternative compliance, or remedial-action criteria are stated in the directive text, which adds moderate interpretive work for implementers and regulators. (Document; Compliance)"],"plain_english_summary":"This airworthiness directive requires operators/owners of Air Cruisers inflatables fitted with discharge valves P/N D29517 series or D18259 series to inspect those valves before 1 June 1978 and thereafter whenever the inflatable is removed for inspection. It relies on Air Cruisers SIL 114-77-2 for procedural detail. The rule concentrates cost and downtime on affected holders, who must bear inspection and any corrective work."}},"importantCases":[],"_links":{"self":"/api/acts/ad-emy-13-aircruisers-discharge-valves-inspection","history":"/api/acts/ad-emy-13-aircruisers-discharge-valves-inspection/history","analysis":"/api/acts/ad-emy-13-aircruisers-discharge-valves-inspection/analysis","conflicts":"/api/acts/ad-emy-13-aircruisers-discharge-valves-inspection/conflicts","importantCases":"/api/acts/ad-emy-13-aircruisers-discharge-valves-inspection/important-cases","documents":"/api/acts/ad-emy-13-aircruisers-discharge-valves-inspection/documents"}}