{"id":"F2006B11110","name":"AD/LEARJET 35/30 - Flight Management Systems","slug":"ad-learjet-35-30-flight-management-systems","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56771,"registerId":"commonwealth-F2006B11110-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/LEARJET 35/30 - Flight Management Systems","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  \n![](image.002.png)  Gates Learjet 35 and 36 Series Aeroplanes\n\n \n\n# AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)\n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/LEARJET 35/30.\n\n![](image.002.png)  \n\n\n \n\n# AD/LEARJET 35/30 Flight Management Systems 6/2000\n\nRequirement: CANCELLED.\n\n \n\nBackground: This Directive was based on United States Federal Aviation Administration (FAA) AD 95-19-04. The FAA AD was rescinded with effect 27 March 2000, following the shut down of the Omega navigation system.\n\n![Signature of Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority](image.003.png)  \n\n\n \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 2 May 2000\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n![](image.002.png)  \n\n\nThe above AD is notified in the Commonwealth of Australia Gazette on 17 May 2000.\n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a revocation instrument that serves its original purpose — to remove a regulatory requirement that has become obsolete. The scope has not expanded; rather, it has contracted to zero as the directive is cancelled."},"complexity_factors":["Single operative provision: cancellation of a previous directive","No defined terms section","No conditional logic or exceptions","No cross-references to other legislation (only historical reference to FAA AD 95-19-04 for context)","Document is essentially a one-sentence administrative instrument with explanatory background","Total substantive content: approximately 100 words"],"plain_english_summary":"This instrument revokes the Australian Airworthiness Directive that applied to Gates Learjet 35 and 36 series aircraft, removing the previous Flight Management System requirement.  \n\nCASA is cancelling the rule because the FAA’s matching AD was withdrawn after the Omega navigation system was shut down, so the obsolete requirement — and associated compliance burden for operators — is no longer needed."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"Yes. The AD removes an existing mandatory requirement that had applied to Gates Learjet 35/36 flight management systems. The original AD was based on FAA AD 95-19-04; after the FAA rescinded that AD (effective 27 March 2000) because the Omega navigation system was shut down, CASA’s delegate revoked the Australian AD (signed 2 May 2000, gazetted 17 May 2000), thereby eliminating the compliance obligation for operators under AD/LEARJET 35/30."},"complexity_factors":["Single-action document: simple revocation/cancellation rather than new regulatory obligations","Short text with limited operative effect (no new compliance steps introduced)","Cross-reference dependency on external FAA AD 95-19-04 (document relies on foreign authority’s rescission)","Relies on an external factual event (Omega navigation system shutdown) as the proximate cause","Administrative elements: signed by CASA delegate and gazetted (dates: 2 May 2000 signature, Gazette 17 May 2000)","Limited affected population (Gates Learjet 35/36 series) reducing regulatory breadth"],"plain_english_summary":"This instrument revokes Airworthiness Directive AD/LEARJET 35/30 and cancels its requirement for Gates Learjet 35 and 36 aeroplanes relating to flight management systems. CASA’s delegate signed the revocation after the United States FAA rescinded the related FAA AD following the shutdown of the Omega navigation system. Operators and owners of the affected Learjets are no longer subject to the cancelled AD’s mandated action; the revocation was signed 2 May 2000 and notified in the Gazette on 17 May 2000."}},"importantCases":[],"_links":{"self":"/api/acts/ad-learjet-35-30-flight-management-systems","history":"/api/acts/ad-learjet-35-30-flight-management-systems/history","analysis":"/api/acts/ad-learjet-35-30-flight-management-systems/analysis","conflicts":"/api/acts/ad-learjet-35-30-flight-management-systems/conflicts","importantCases":"/api/acts/ad-learjet-35-30-flight-management-systems/important-cases","documents":"/api/acts/ad-learjet-35-30-flight-management-systems/documents"}}