{"id":"F2006B03805","name":"AD/BEECH 33/38 - Pilot and Co-Pilot Shoulder Harness","slug":"ad-beech-33-38-pilot-and-co-pilot-shoulder-harness","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43401,"registerId":"commonwealth-F2006B03805-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 33/38 - Pilot and Co-Pilot Shoulder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 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes\n\nAD/BEECH 33/38 Pilot and Co-Pilot Shoulder Harness 12/91\n\nApplicability: Model F33A, with serial numbers CE-634 through CE-1536.\n\nRequirement: Action in accordance with the Technical Requirements of FAA AD 91-18-19, Amendment 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":2111},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow, safety-critical scope. It addresses solely the identified shoulder harness defect in the specified aircraft population. The adoption of US Federal Aviation Administration technical standards with a modified Australian compliance date represents standard regulatory harmonization practice and does not constitute expansion beyond the original safety intent."},"complexity_factors":["Requires compliance with an external technical document (FAA AD 91-18-19) that is not reproduced within the directive itself","Limited applicability to precise aircraft model and serial number range (F33A, CE-634 through CE-1536)","References additional unpublished technical bulletin (Beechcraft MSB 2394) for context","Contains technical aviation terminology requiring specialized knowledge to fully interpret"],"plain_english_summary":"**What this does:** This airworthiness directive mandates a safety inspection and potential repair of the pilot and co-pilot shoulder harnesses on specific Beechcraft F33A aircraft.\n\n**Who it affects:** Owners and operators of Beechcraft F33A model aeroplanes with serial numbers between CE-634 and CE-1536.\n\n**What the problem is:** The shoulder harness \"D\" rings (metal connectors on the safety belts) may have been fitted with improper washers during manufacture or maintenance. A faulty harness could fail to restrain the pilot or co-pilot during an accident or emergency landing, increasing the risk of serious injury.\n\n**What must be done:** Operators must follow the technical repair instructions outlined in the US Federal Aviation Administration directive AD 91-18-19 (Amendment 39-8022) to inspect and replace the defective components if necessary.\n\n**When:** Australian registered aircraft must complete this work by 12 December 1991—a deadline extended by approximately two months from the original US requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-33-38-pilot-and-co-pilot-shoulder-harness","history":"/api/acts/ad-beech-33-38-pilot-and-co-pilot-shoulder-harness/history","analysis":"/api/acts/ad-beech-33-38-pilot-and-co-pilot-shoulder-harness/analysis","conflicts":"/api/acts/ad-beech-33-38-pilot-and-co-pilot-shoulder-harness/conflicts","importantCases":"/api/acts/ad-beech-33-38-pilot-and-co-pilot-shoulder-harness/important-cases","documents":"/api/acts/ad-beech-33-38-pilot-and-co-pilot-shoulder-harness/documents"}}