{"id":"F2006B05176","name":"AD/CESSNA 188/41 - Fuel System Water Drainage Placard","slug":"ad-cessna-188-41-fuel-system-water-drainage-placard","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45323,"registerId":"commonwealth-F2006B05176-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 188/41 - Fuel System Water Drainage 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 188 (Agwagon) Series Aeroplanes\n\nAD/CESSNA 188/41 Fuel System Water Drainage Placard 12/85 DM\n\nApplicability: All models with S/Nos. as listed in Cessna SIL SE84-4.\n\nRequirement: Install the following placard in clear view of the pilot on the instrument panel or surrounding structure:\n\n“Refer Flight Manual for special fuel/water drain procedures”.\n\nCompliance: 1. Before further flight after 31 December 1985.\n\n2. Certification on the Maintenance Release may be made by a pilot endorsed on the aircraft type. Where a pilot has made the certification, a further certification at the next inspection for maintenance shall be made by any Licensed Aircraft Maintenance Engineer.\n\nBackground: This Directive has been raised to bring to the attention of pilots an amendment to the approved Flight Manual requiring specific procedures to be followed after an aircraft has been exposed to rain, sleet, snow, or after fueling from drumstock or other unfiltered fuel source.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1749},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains tightly focused on its original safety intent: addressing fuel system water contamination risks in Cessna 188 aircraft through a simple cockpit placard. There is no evidence of scope expansion beyond the initial requirement to remind pilots of Flight Manual procedures."},"complexity_factors":["Single, unambiguous requirement (install one specific placard with exact wording)","No cross-references to complex legislative provisions or other Acts","Only one external reference (Cessna SIL SE84-4 for serial number identification)","No conditional logic, exceptions, or sub-delegations","Clear, absolute compliance deadline with no alternative methods"],"plain_english_summary":"This Airworthiness Directive for Cessna 188 “Agwagon” aircraft requires installing a cockpit warning placard reading: *\"Refer Flight Manual for special fuel/water drain procedures\"*. It reminds pilots of updated drain procedures because water contamination from rain, snow, or drum refueling can cause engine failure.\n\nIt applies to Cessna 188 serials listed in Service Information Letter SE84‑4, required before flight after 31 Dec 1985. A qualified pilot may initially sign the release; a Licensed Aircraft Maintenance Engineer must verify at the next inspection."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-188-41-fuel-system-water-drainage-placard","history":"/api/acts/ad-cessna-188-41-fuel-system-water-drainage-placard/history","analysis":"/api/acts/ad-cessna-188-41-fuel-system-water-drainage-placard/analysis","conflicts":"/api/acts/ad-cessna-188-41-fuel-system-water-drainage-placard/conflicts","importantCases":"/api/acts/ad-cessna-188-41-fuel-system-water-drainage-placard/important-cases","documents":"/api/acts/ad-cessna-188-41-fuel-system-water-drainage-placard/documents"}}