{"id":"F2006B02029","name":"AD/AA-1/18 - Glove Box - Modification","slug":"ad-aa-1-18-glove-box-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41251,"registerId":"commonwealth-F2006B02029-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AA-1/18 - Glove Box - Modification","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 11/1978,Aircraft below 5700 kg,Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes,Glove Box - Modification,18\ntitle: Airworthiness Directive - AD/AA-1/18 - Glove Box - Modification\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)  Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes\n\n \n\nAD/AA-1/18 Glove Box - Modification 11/78\n\nApplicability: All models.\n\n \n\nRequirement: Modify the aircraft by sealing the gap formed between the forward face of the glove box and instrument facia so as to prevent objects passing through.\n\n \n\nCompliance: Within 100 hours’ time in service after 31 December 1978.\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":1101},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope—a targeted safety modification to prevent foreign object damage in a specific aircraft series, with no evidence of scope creep or expansion beyond the original technical intent."},"complexity_factors":["Single, unambiguous mechanical requirement with no exceptions or conditional logic","No defined terms, interpretation sections, or cross-references to other legislation","Straightforward compliance deadline based on flight hours and calendar date","Extremely brief document containing only three operative paragraphs"],"plain_english_summary":"This safety directive requires owners and operators of **Gulfstream AA-1 series aircraft** (previously sold as Grumman American or American Aviation models) to seal a gap in the cockpit glove box.\n\n**What you must do:**\nClose off the space between the front of the glove box and the instrument panel to stop objects (like pens, checklists, or tools) from falling through into the aircraft's internal structure.\n\n**Who it affects:**\nAnyone operating these specific light aircraft models.\n\n**When you must comply:**\nComplete the modification within 100 hours of flight time after 31 December 1978.\n\n**Why it matters:**\nLoose items falling through cockpit gaps can jam flight control cables, damage electrical wiring, or interfere with critical systems—creating serious safety risks during flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-aa-1-18-glove-box-modification","history":"/api/acts/ad-aa-1-18-glove-box-modification/history","analysis":"/api/acts/ad-aa-1-18-glove-box-modification/analysis","conflicts":"/api/acts/ad-aa-1-18-glove-box-modification/conflicts","importantCases":"/api/acts/ad-aa-1-18-glove-box-modification/important-cases","documents":"/api/acts/ad-aa-1-18-glove-box-modification/documents"}}