{"id":"F2006B03814","name":"AD/BEECH 33/6 - Fuel System - Placards","slug":"ad-beech-33-6-fuel-system-placards","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43410,"registerId":"commonwealth-F2006B03814-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 33/6 - Fuel System - Placards","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 33/6 Fuel System \\- Placards 4/70\n\nApplicability: Models 35-33, 35-A33, 35-B33, 35-C33, E33 and F33 with S/Nos. CD1 through CD- 1234, 35-C33A, E33A and F33A with S/Nos. CE-1 through CE-289, F33C with S/No. CJ-26 and later numbers E33C with S/Nos. CJ-1 and later numbers, unless retrofitted with anti-slosh main fuel tanks.\n\nRequirement: 1. A placard reading:\n\n“TURNING TYPE TAKE-OFFSAND TAKE-OFF IMMEDIATELY FOLLOWING FAST TAXI TURN PROHIBITED. AVOID PROLONGED SLIPS (20 seconds or more) WITH FUEL TANKS LESS THAN HALF FULL.”\n\nis to be placed on the instrument panel in clear view of the pilot.\n\nNote: The owner or operator may make and certify for the installation of the above placard. Letters of one eighth inch minimum height shall be used.\n\n2. Where fitted, remove the placard “CAUTION \\- to prevent fuel flow interruption due to gravity or centrifugal force, select the high-wing tank in slips and inside tank during turning take-offs”.\n\nCompliance: Within 100 hours time in service after 29 April 1970.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope remains limited to the listed Beechcraft 33/35 variants and serial numbers, with an explicit exemption for aircraft retrofitted with anti-slosh main fuel tanks. The instrument imposes two narrowly defined obligations: install the specified placard and remove the older caution placard where fitted; responsibility for making and certifying the placard lies with the owner/operator."},"complexity_factors":["Narrow applicability: specific models and serial number ranges (increases precision but not procedural complexity)","Single, clear action required (install prescribed placard) reduces procedural complexity","Owner/operator may both make and certify the placard (delegates decision and reduces regulator workload but adds operator responsibility)","Physical specification for lettering (1/8 inch minimum) creates a minor compliance detail","Requirement to remove a specific existing placard where fitted adds a small reverse action","Fixed compliance deadline (100 hours TIS after 29 April 1970) is straightforward but time‑bound"],"plain_english_summary":"This airworthiness directive requires specified Beechcraft Model 33/35 series aircraft (except those retrofitted with anti-slosh main tanks) to have a prescribed fuel-system warning placard installed on the instrument panel and to remove an older caution placard if fitted. Owners/operators must make and certify the placard (letters at least 1/8\" high) and comply within 100 hours time-in-service after 29 April 1970. The rule shifts the installation and certification cost and responsibility to owners/operators and changes pilot behaviour by providing a compulsory cockpit warning."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific fuel system hazard in specific aircraft. It has not expanded beyond its original purpose of mandating placard installation to prevent fuel starvation incidents."},"complexity_factors":["Single, specific applicability section listing aircraft models and serial number ranges","Two straightforward requirements: install one placard, remove another","No defined terms section or interpretation provisions","No cross-references to other legislation beyond the enabling regulation (CAR 1998 Part 39)","Simple compliance deadline (100 hours time in service after fixed date)","One conditional exemption (aircraft with anti-slosh tanks are excluded)"],"plain_english_summary":"This Airworthiness Directive mandates that owners/operators of specified Beechcraft Bonanza and Debonair models install a warning placard on the instrument panel prohibiting certain turning take‑offs and warning about fuel flow loss during prolonged slips with low tanks, and remove an old, conflicting placard—unless the airplane has anti‑slosh tanks.\n\nIt matters because fuel slosh can starve the engine at critical moments; owner‑maintenance of the placard is allowed (letters ≥1/8\"), with compliance due within 100 hours after 29 Apr 1970."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-33-6-fuel-system-placards","history":"/api/acts/ad-beech-33-6-fuel-system-placards/history","analysis":"/api/acts/ad-beech-33-6-fuel-system-placards/analysis","conflicts":"/api/acts/ad-beech-33-6-fuel-system-placards/conflicts","importantCases":"/api/acts/ad-beech-33-6-fuel-system-placards/important-cases","documents":"/api/acts/ad-beech-33-6-fuel-system-placards/documents"}}