{"id":"F2006B02075","name":"AD/AC/16 - Baggage Compartment and Rear Cabin Areas - Corrosion Inspection and Elimination","slug":"ad-ac-16-baggage-compartment-and-rear-cabin-areas-corrosion-inspection-and-elimination","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41305,"registerId":"commonwealth-F2006B02075-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AC/16 - Baggage Compartment and Rear Cabin Areas - Corrosion Inspection and Elimination","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue NK,Aircraft below 5700 kg,Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes,Baggage Compartment and Rear Cabin Areas - Corrosion Inspection and Elimination,16\ntitle: Airworthiness Directive - AD/AC/16 - Baggage Compartment and Rear Cabin Areas - Corrosion Inspection and Elimination\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)  Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes\n\n \n\nAD/AC/16  Baggage Compartment and Rear Cabin NK Areas - Corrosion Inspection and Elimination\n\nApplicability: All models: S/Nos. 1 to 600. Document: Aero Commander SB No. 63. Compliance:  Forthwith.\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":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1762},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original purpose of mandating corrosion inspections and repairs for specific Twin Commander aircraft. There is no evidence of scope expansion beyond the stated baggage compartment and rear cabin areas."},"complexity_factors":["Extremely brief text with only four substantive data fields (title, applicability, document reference, compliance)","No defined terms or interpretation section","No conditional logic, exceptions, or nested requirements","Single straightforward obligation: comply with the referenced external technical document"],"plain_english_summary":"**What this is:** A mandatory safety instruction (called an Airworthiness Directive) issued by the Civil Aviation Safety Authority (CASA) for specific aircraft.\n\n**Who it affects:** Owners and operators of Twin Commander aircraft (models 500, 600, and 700 series) with serial numbers 1 through 600.\n\n**What it requires:** You must immediately inspect the baggage compartment and rear cabin areas for corrosion (rust or decay of the metal structure) and fix any problems found. The specific technical steps to follow are contained in a manufacturer document called *Aero Commander Service Bulletin No. 63*.\n\n**When:** Immediately (the directive uses the term \"forthwith,\" which means without delay).\n\n**Why it matters:** Corrosion can weaken the aircraft's structure, potentially creating serious safety risks during flight. This directive ensures these specific older aircraft are checked and repaired before corrosion can cause dangerous structural failures."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ac-16-baggage-compartment-and-rear-cabin-areas-corrosion-inspection-and-elimination","history":"/api/acts/ad-ac-16-baggage-compartment-and-rear-cabin-areas-corrosion-inspection-and-elimination/history","analysis":"/api/acts/ad-ac-16-baggage-compartment-and-rear-cabin-areas-corrosion-inspection-and-elimination/analysis","conflicts":"/api/acts/ad-ac-16-baggage-compartment-and-rear-cabin-areas-corrosion-inspection-and-elimination/conflicts","importantCases":"/api/acts/ad-ac-16-baggage-compartment-and-rear-cabin-areas-corrosion-inspection-and-elimination/important-cases","documents":"/api/acts/ad-ac-16-baggage-compartment-and-rear-cabin-areas-corrosion-inspection-and-elimination/documents"}}