{"id":"F2006B07268","name":"AD/TB 200/1 - Fuel System - Flowmeter Pipe Integrity","slug":"ad-tb-200-1-fuel-system-flowmeter-pipe-integrity","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":49191,"registerId":"commonwealth-F2006B07268-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/TB 200/1 - Fuel System - Flowmeter Pipe Integrity","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)  \nAerospatiale (Socata) TB 200 Series Aeroplanes\n\nAD/TB 200/1 Fuel System \\- Flowmeter Pipe Integrity 9/99\n\nApplicability: All Socata TB 200 aircraft not equipped with SOCATA Modification No. 150 (Fuel Flowmeter Pipe).\n\nRequirement: 1. Check the tightness of the fuel flowmeter pipe in accordance with SOCATA SB No. 10-108-73 Rev 1, dated March 1999.\n\n2. Replace the fuel flowmeter pipe (SOCATA Mod 150) according to SOCATA SB No. 10-108-73 Rev 1, dated March 1999.\n\nNote: DGAC 1999-061(A)R1 dated 05 May 1999 refers.\n\nCompliance: 1. Within the next 10 flight hours after the effective date of this Directive and thereafter at every scheduled aircraft inspection.\n\n2. Within 150 hours after the effective date of this directive, or 9 December 1999, whichever occurs first.\n\nThis Airworthiness Directive becomes effective on 9 September 1999.\n\nBackground: The measures outlined in this Directive are deemed necessary to ensure the integrity of the fuel flowmeter pipe and reflect the Country of Origin Airworthiness Authority’s requirements.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive for a specific aircraft type and specific mechanical component. It has not expanded beyond its original purpose of addressing fuel flowmeter pipe integrity."},"complexity_factors":["Very short document (under 300 words)","Only 2 substantive requirements with clear deadlines","Single applicability criterion (aircraft model + modification status)","No defined terms section — all terms are either plain English or reference external technical documents (SOCATA SB No. 10-108-73)","No nested conditional logic or cross-references to other legislation","Simple temporal compliance structure (within X hours/by specific date)"],"plain_english_summary":"Owners/operators of Socata TB 200-series aircraft without factory Mod 150 must inspect the fuel flowmeter pipe for integrity within 10 flight hours and at each regular inspection, and replace the pipe with the improved version within 150 flight hours or by 9 December 1999 (effective 9 September 1999). The safety order prevents fuel leaks or failures that could cause engine stoppage or fire."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive does not indicate a change from its original scope. It applies to TB 200 aircraft without Mod 150 and prescribes inspection and replacement to meet the country-of-origin airworthiness requirement (Applicability; Requirement; Background)."},"complexity_factors":["Narrow, clear applicability: all TB 200 aircraft not equipped with SOCATA Mod No.150 (Applicability).","Two mandatory actions only: a tightness check and a mandated replacement (Requirement).","External technical detail delegated to SOCATA Service Bulletin No. 10-108-73 Rev 1 (Requirement) — operators must follow the SB for procedure.","Short, specific compliance windows: initial check within 10 flight hours; replacement within 150 hours or by a calendar date (Compliance).","Ongoing obligation: checks recur at every scheduled aircraft inspection (Compliance).","Reference to origin authority directive (DGAC 1999-061(A)R1) creates cross-jurisdictional alignment but no additional domestic detail (Note/Background).","No novel certification or approval pathways; action is operational/maintenance focused, not procedurally elaborate."],"plain_english_summary":"This Directive requires owners/operators of Socata TB 200 aeroplanes not fitted with SOCATA Modification No.150 to check the fuel flowmeter pipe for tightness and to replace the pipe with the Mod 150 part per SOCATA Service Bulletin No. 10-108-73 Rev 1. The initial check must occur within 10 flight hours and thereafter at every scheduled inspection; replacement is required within 150 hours or by 9 December 1999. It implements the country-of-origin airworthiness authority’s integrity requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tb-200-1-fuel-system-flowmeter-pipe-integrity","history":"/api/acts/ad-tb-200-1-fuel-system-flowmeter-pipe-integrity/history","analysis":"/api/acts/ad-tb-200-1-fuel-system-flowmeter-pipe-integrity/analysis","conflicts":"/api/acts/ad-tb-200-1-fuel-system-flowmeter-pipe-integrity/conflicts","importantCases":"/api/acts/ad-tb-200-1-fuel-system-flowmeter-pipe-integrity/important-cases","documents":"/api/acts/ad-tb-200-1-fuel-system-flowmeter-pipe-integrity/documents"}}