{"id":"F2006B04020","name":"AD/BEECH 55/75 - Pilot and Copilot Shoulder Harness","slug":"ad-beech-55-75-pilot-and-copilot-shoulder-harness","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43629,"registerId":"commonwealth-F2006B04020-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 55/75 - Pilot and Copilot Shoulder Harness","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBeechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes\n\nAD/BEECH 55/75 Pilot and Copilot Shoulder Harness 12/91\n\nApplicability: Model E55, E55A, with serial numbers TE-1078 through TE-1201.\n\nModel 58, 58A, with serial numbers TH-733 through TH-1609. Model 58P, 58PA, with serial numbers TJ-3 through TJ-497.\n\nModel 58TC, 58TCA, with serial numbers TK-1 through TK-151.\n\nModel 95-B55, 95-B55A with serial numbers TC-1947 through TC-2456.\n\nRequirement: Action in accordance with the Technical Requirements of FAA AD 91-18-19, Amdt 39-8022.\n\nNote: Beechcraft MSB 2394 refers.\n\nCompliance: As specified in the Requirement Document with a revised effective date of 12 December 1991 for Australian registered aircraft.\n\nBackground: Improper washers may have been installed in the pilot and copilot shoulder harness “D” ring of the affected aircraft. The actions specified in this AD are intended to prevent a malfunctioning shoulder harness that could result in occupant injury during an emergency situation. The effective date required by the FAA is extended by approximately two months.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1689},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard-issue Airworthiness Directive maintaining its original narrow scope: addressing a specific hardware defect in shoulder harness installations for defined aircraft models. No evidence of scope creep or expansion beyond the original safety issue."},"complexity_factors":["Short, single-issue directive with specific applicability","References external technical document (FAA AD 91-18-19) for actual procedures","Limited to specific serial number ranges across five model variants","Single compliance action with clear deadline"],"plain_english_summary":"This Airworthiness Directive requires owners/operators of certain Beechcraft Baron twin‑engine aircraft to inspect the pilot and front‑passenger shoulder harness D‑ring hardware and replace any incorrect washers per FAA AD 91‑18‑19. \n\nIt affects specific Baron models/serial runs and (for Australian‑registered aircraft) had a compliance date of 12 December 1991. The action prevents harness failure in a crash, protecting occupants from serious injury."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-75-pilot-and-copilot-shoulder-harness","history":"/api/acts/ad-beech-55-75-pilot-and-copilot-shoulder-harness/history","analysis":"/api/acts/ad-beech-55-75-pilot-and-copilot-shoulder-harness/analysis","conflicts":"/api/acts/ad-beech-55-75-pilot-and-copilot-shoulder-harness/conflicts","importantCases":"/api/acts/ad-beech-55-75-pilot-and-copilot-shoulder-harness/important-cases","documents":"/api/acts/ad-beech-55-75-pilot-and-copilot-shoulder-harness/documents"}}