{"id":"F2006B10302","name":"AD/GENERAL/78 Amdt 1 - Fuel Contamination","slug":"ad-general-78-amdt-1-fuel-contamination","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56025,"registerId":"commonwealth-F2006B10302-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"“The aircraft fuel uplifts have been dee","sectionType":"part","heading":"“The aircraft fuel uplifts have been deemed by (name of fuel supplier) not to have been released from Mobil Yarraville Victoria in the period 21 November 1999 to 23 December 1999. This aircraft has been cleared for flight in accordance with CAR 1998 Part 39, AD/GENERAL/78 Amdt 1.”","content":"# “The aircraft fuel uplifts have been deemed by (name of fuel supplier) not to have been released from Mobil Yarraville Victoria in the period 21 November 1999 to 23 December 1999. This aircraft has been cleared for flight in accordance with CAR 1998 Part 39, AD/GENERAL/78 Amdt 1.”\n\n3: Aircraft refuelled with fuel deemed by the supplier to be fuel released from Mobil Yarraville Victoria during the period 21 November 1999 through 23 December 1999 shall be removed from service. For such aircraft, the following statement shall be recorded and certified on the aircraft maintenance release and in the aircraft log book:","sortOrder":0},{"sectionNumber":"“This aircraft is unairworthy. The aircr","sectionType":"part","heading":"“This aircraft is unairworthy. The aircraft fuel system is contaminated and the aircraft has been removed from service in accordance with CAR 1998 Part 39, AD/GENERAL/78 Amdt 1.”","content":"# “This aircraft is unairworthy. The aircraft fuel system is contaminated and the aircraft has been removed from service in accordance with CAR 1998 Part 39, AD/GENERAL/78 Amdt 1.”\n\nNote 3: Certification made per the original issue of this Airworthiness Directive satisfies the intent of this requirement.\n\nCompliance: Effective 12 January 2000:\n\nBefore further flight. However, the aircraft may be flown direct to another location to enable maintenance to be carried out, subject to:\n\n    (a) the total flight time not exceeding 5 hours, and\n\n    (b) operating crew only being carried in the aircraft, and\n\n    (c) the aircraft being flown only in day/VFR operation, and\n\n    (d) flight over water being conducted within gliding distance of land.","sortOrder":1}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1747},"content_quality":"ok","complexity_score":5,"scope_assessment":{"changed":false,"description":"The instrument remains precisely focused on its original purpose: addressing a specific fuel contamination incident at the Mobil Yarraville refinery during late 1999. The scope has not expanded beyond this discrete historical safety event."},"complexity_factors":["Time-bound applicability limited to a specific 33-day historical window (21 November to 23 December 1999)","Conditional logic distinguishing between fuel deemed contaminated versus fuel cleared by supplier verification","Nested exception structure with four specific sub-conditions (a, b, c, d) for permitted ferry flights","Cross-reference to Civil Aviation Regulations 1998 Part 39 for legal authority","Mandatory verbatim certification language required in official maintenance records"],"plain_english_summary":"An airworthiness directive orders immediate grounding of any aircraft refueled with jet fuel from the Mobil Yarraville refinery between 21 Nov and 23 Dec 1999, declares them unairworthy, and requires certified warning entries in maintenance releases and logbooks.\n\nLimited ferry flights to repair facilities are allowed only for crew, daytime VFR, within gliding distance of shore, and no more than five hours total. It prevents engine failures from contaminated fuel."}},"importantCases":[],"_links":{"self":"/api/acts/ad-general-78-amdt-1-fuel-contamination","history":"/api/acts/ad-general-78-amdt-1-fuel-contamination/history","analysis":"/api/acts/ad-general-78-amdt-1-fuel-contamination/analysis","conflicts":"/api/acts/ad-general-78-amdt-1-fuel-contamination/conflicts","importantCases":"/api/acts/ad-general-78-amdt-1-fuel-contamination/important-cases","documents":"/api/acts/ad-general-78-amdt-1-fuel-contamination/documents"}}