{"id":"F2006B04078","name":"AD/BEECH 60/16 - Aft Facing Chair Headrests","slug":"ad-beech-60-16-aft-facing-chair-headrests","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43741,"registerId":"commonwealth-F2006B04078-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 60/16 - Aft Facing Chair Headrests","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 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Beechcraft 60 (Duke) Series Aeroplanes\n\n \n\nAD/BEECH 60/16 Aft Facing Chair Headrests 6/72\n\nApplicability: All models.\n\n \n\nRequirement: Action in accordance with Beechcraft SI No. 0494-314. Compliance:  Within 100 hours’ time in service after 30 June 1972.\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":1335},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original 1972 scope requiring safety modifications to aft-facing chair headrests on Beechcraft Duke aircraft. There is no evidence of expansion beyond the initial occupant protection purpose."},"complexity_factors":["Single requirement referencing one external technical document (Beechcraft SI No. 0494-314)","No defined terms or interpretation section","Simple all-models applicability without exceptions","Basic arithmetic compliance calculation (100 hours after fixed date)"],"plain_english_summary":"**What this is:** An Airworthiness Directive (AD) — a mandatory safety order issued by the Civil Aviation Safety Authority (CASA) requiring aircraft owners to complete specific maintenance or modifications.\n\n**What it requires:** Owners of Beechcraft 60 (Duke) series aircraft must modify or install headrests on **aft-facing (backward-facing) passenger chairs** according to Beechcraft Service Instruction No. 0494-314.\n\n**Who it affects:** All models of the Beechcraft 60 (Duke) series.\n\n**Deadline:** The work must be completed within 100 hours of flight time after 30 June 1972.\n\n**Why it matters:** Backward-facing seats without proper head support create serious injury risks during turbulence, hard landings, or sudden deceleration. This directive ensures passengers have adequate head and neck protection to prevent whiplash or impact injuries."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-60-16-aft-facing-chair-headrests","history":"/api/acts/ad-beech-60-16-aft-facing-chair-headrests/history","analysis":"/api/acts/ad-beech-60-16-aft-facing-chair-headrests/analysis","conflicts":"/api/acts/ad-beech-60-16-aft-facing-chair-headrests/conflicts","importantCases":"/api/acts/ad-beech-60-16-aft-facing-chair-headrests/important-cases","documents":"/api/acts/ad-beech-60-16-aft-facing-chair-headrests/documents"}}