{"id":"F2006B03827","name":"AD/BEECH 35/27 - Fuel System Placards","slug":"ad-beech-35-27-fuel-system-placards","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43423,"registerId":"commonwealth-F2006B03827-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 35/27 - 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 35 (Bonanza) Series Aeroplanes\n\nAD/BEECH 35/27 Fuel System Placards 4/70\n\nApplicability: Models H35 fitted with fuel injection engines, J35, K35, M35, N35, P35, S35, S35- TC, V35, V35-TC, V35A and V35A-TC with S/Nos. D5062, D5331 through D9068,\n\n35R with S/Nos. 25R1 and later numbers, unless retro-fitted with anti-slosh main fuel tanks.\n\nRequirement: 1. A placard reading “Turning Type Take-offs, and Take-off immediately following Fast Taxi Turn Prohibited. Avoid Prolonged Slip (20 seconds or more) With Fuel Tanks Less Than Half Full” is 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\nNote: FAA AD 70-3-5 refers.\n\nCompliance: Within 100 hours time in service after 29 April 1970.","sortOrder":0}],"analysis":{"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 models. It has not expanded beyond its original purpose of mandating placard changes to prevent fuel starvation incidents."},"complexity_factors":["Very short document (under 300 words)","Only 2 operative requirements (install placard, remove old placard)","Single defined applicability clause with specific model and serial number ranges","One cross-reference to FAA AD 70-3-5 (informational only)","No nested conditions or exceptions beyond the anti-slosh tank exemption","Plain language operative text with minimal regulatory jargon"],"plain_english_summary":"Requires owners/operators of specified Beechcraft Bonanza models to replace an older fuel‑tank placard with a new instrument‑panel warning that prohibits turning take‑offs, immediate take‑offs after fast taxi turns, and prolonged slips when tanks are less than half full. It applies to aircraft without anti‑slosh tanks.\n\nThe change prevents fuel starvation during critical maneuvers that can cause engine failure; owners may fabricate and install the simple label themselves. Compliance within 100 flight hours after 29 April 1970."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive confines its effect to the listed Beechcraft 35 variants and serial numbers and prescribes placard installation/removal and a compliance deadline. It does not expand applicability beyond those aircraft or change certified operating limits; it adds labeling and a modest operator compliance duty (Applicability; Requirement; Compliance)."},"complexity_factors":["Applicability lists many model variants and serial-number ranges, requiring careful checking of individual aircraft identity (Applicability).","Two discrete actions: install a specified-wording placard and remove an older placard where fitted, which raises modest procedural steps (Requirement 1; Requirement 2).","Owner/operator may fabricate and certify the placard, shifting implementation responsibility and cost to the operator and creating minimal certification discretion (Note to Requirement 1).","Prescribed minimum lettering size (1/8 inch) creates a specific technical requirement for compliance (Note to Requirement 1).","Short fixed compliance window tied to hours-in-service (100 hours after 29 April 1970) imposes a clear but time-bound operational deadline (Compliance).","Cross-reference to an FAA AD may require operators to consult that document for context (Note at end of Requirement 2)."],"plain_english_summary":"This airworthiness directive requires owners/operators of certain Beechcraft 35-series aeroplanes (specified models and serial numbers) to install a cockpit placard warning pilots about prohibited turning take-offs, prolonged slips with low fuel, and related fuel-selection guidance, and to remove an older caution placard if fitted. The owner/operator may make and certify the new placard, must meet minimum letter-size, and must comply within 100 flying hours of 29 April 1970. It affects private operators by adding a small installation and compliance task to manage fuel-related pilot warnings."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-35-27-fuel-system-placards","history":"/api/acts/ad-beech-35-27-fuel-system-placards/history","analysis":"/api/acts/ad-beech-35-27-fuel-system-placards/analysis","conflicts":"/api/acts/ad-beech-35-27-fuel-system-placards/conflicts","importantCases":"/api/acts/ad-beech-35-27-fuel-system-placards/important-cases","documents":"/api/acts/ad-beech-35-27-fuel-system-placards/documents"}}