{"id":"F2006B08238","name":"AD/CESSNA 337/19 - Bench Seat Back Emergency Operation and Placard","slug":"ad-cessna-337-19-bench-seat-back-emergency-operation-and-placard","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115499,"registerId":"commonwealth-F2006B08238-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 337/19 - Bench Seat Back Emergency Operation and Placard","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)  \nCessna 337 Series Aeroplanes\n\nAD/CESSNA 337/19 Bench Seat Back Emergency\n\nOperation and Placard\n\n  \n12/74\n\nApplicability: All model T337G.\n\nRequirement: 1. Modify the bench seat backrest locking pawl P/No. 1514217-1 to permit the backrest to be pushed forward by the occupant of the rear seat when applying a force of 18 lb. to 22 lb. at the top of the backrest, to a scheme approved by the Secretary.\n\nNote: Modification to Rex Aviation Ltd. Drawing No. RA-A-1390 is an acceptable means of compliance.\n\n2. Install a placard at the rear of the RH backrest in a position clearly visible to the 5th seat occupant as follows:\n\nIN EMERGENCY\n\nPUSH CENTRE SEAT BACKRESTS FORWARD.\n\nNote: All lettering shall be in white on a black background. Underlined lettering shall be a minimum of 6 mm (1/4\") high and other lettering shall be a minimum of 3 mm (1/8\") high.\n\nCompliance: Before issue of a Certificate of Airworthiness.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2904},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original narrow technical scope: mandating specific physical modifications to seat backrest mechanisms and emergency signage for the T337G aircraft model only."},"complexity_factors":["Precise technical specifications including manufacturer part number (1514217-1) and force measurements (18–22 lb)","Reference to specific third-party engineering drawing as an acceptable compliance method (Rex Aviation RA-A-1390)","Detailed typographic requirements for the placard (6mm underlined vs 3mm text, mandatory colour contrast specifications)"],"plain_english_summary":"This directive requires owners/operators of Cessna T337G aircraft to modify the centre bench backrest lock so an occupant can push it forward with moderate force and to install a clearly legible emergency placard on the rear of the right-hand backrest instructing occupants to push the centre seat backrests forward.\n\nCompliance is mandatory before issuance or renewal of the Certificate of Airworthiness to ensure rear-seat occupants can manually escape if normal release mechanisms fail."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-337-19-bench-seat-back-emergency-operation-and-placard","history":"/api/acts/ad-cessna-337-19-bench-seat-back-emergency-operation-and-placard/history","analysis":"/api/acts/ad-cessna-337-19-bench-seat-back-emergency-operation-and-placard/analysis","conflicts":"/api/acts/ad-cessna-337-19-bench-seat-back-emergency-operation-and-placard/conflicts","importantCases":"/api/acts/ad-cessna-337-19-bench-seat-back-emergency-operation-and-placard/important-cases","documents":"/api/acts/ad-cessna-337-19-bench-seat-back-emergency-operation-and-placard/documents"}}