{"id":"F2006B04149","name":"AD/BEECH 65/53 Amdt 1 - Rudder and Elevator Trim Tab Systems","slug":"ad-beech-65-53-amdt-1-rudder-and-elevator-trim-tab-systems","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43878,"registerId":"commonwealth-F2006B04149-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 65/53 Amdt 1 - Rudder and Elevator Trim Tab Systems","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 65 and 70 (Queen Air) Series Aeroplanes\n\nAD/BEECH 65/53\n\nAmdt 1\n\n  \nRudder and Elevator Trim Tab Systems 3/89\n\nApplicability: All models Queen Air 65, A65 and A65-8200 with S/Nos. L-1, L-2, L-6, LF-7, LF-8 and LC-1 to LC-335.\n\nAll models 65-80, 65-A80, 65-A80-8800 and 65-B80 with S/Nos. LD-1 to LD-511. All models 65-88 with S/Nos. LP-1 to LP-26, LP-28 and LP-30 to LP-47.\n\nAll models 70 with S/Nos LB-1 through LB-35.\n\nRequirement: Action in accordance with Beechcraft SI No. 0691-133, \\-135 Rev. 2.\n\nCompliance: Within 100 hours’ time in service after 30 June 1980 and thereafter at intervals not exceeding 100 hours’ time in service.\n\nBackground: Beechcraft SI No. 0691-133, \\-135 Rev. 2 provides inspection procedures and trim tab freeplay limitations which will indicate when excessive wear has occurred in trim tab linkages or actuators. Amendment 3 consolidates Queen Air series 65 and 70 aircraft.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":3950},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"This amendment consolidates the airworthiness directive to cover both Queen Air series 65 and 70 aircraft, expanding the scope from the original directive which likely covered only the 65 series (as indicated by the directive identifier AD/BEECH 65/53 and the background note regarding consolidation of the two series)."},"complexity_factors":["Extensive serial number applicability lists requiring precise aircraft identification across multiple model categories","Reference to external technical documents (Beechcraft Service Information) not reproduced within the directive text","Technical aviation terminology (freeplay, time in service, trim tab actuators) requiring specialized domain knowledge to interpret"],"plain_english_summary":"This directive requires owners/operators of specified Beechcraft Queen Air 65 and 70 series aircraft (listed by serial number) to perform recurring inspections of rudder and elevator trim-tab systems. Using Beechcraft Service Information 0691‑133 and 0691‑135 (Rev. 2), check for excessive freeplay in linkages and actuators — first within 100 flight hours after 30 June 1980, then every 100 hours. The checks prevent worn parts from causing control flutter or loss of trim stability."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-65-53-amdt-1-rudder-and-elevator-trim-tab-systems","history":"/api/acts/ad-beech-65-53-amdt-1-rudder-and-elevator-trim-tab-systems/history","analysis":"/api/acts/ad-beech-65-53-amdt-1-rudder-and-elevator-trim-tab-systems/analysis","conflicts":"/api/acts/ad-beech-65-53-amdt-1-rudder-and-elevator-trim-tab-systems/conflicts","importantCases":"/api/acts/ad-beech-65-53-amdt-1-rudder-and-elevator-trim-tab-systems/important-cases","documents":"/api/acts/ad-beech-65-53-amdt-1-rudder-and-elevator-trim-tab-systems/documents"}}