{"id":"F2006B04897","name":"AD/CESSNA 120/1 - Cigar Lighter Wiring","slug":"ad-cessna-120-1-cigar-lighter-wiring","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44719,"registerId":"commonwealth-F2006B04897-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)  \n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n![](image.001.png)\n\nCessna 120 and 140 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/CESSNA 120/1 Cigar Lighter Wiring 3/2","sectionType":"part","heading":"AD/CESSNA 120/1 Cigar Lighter Wiring 3/2003","content":"# AD/CESSNA 120/1 Cigar Lighter Wiring 3/2003\n\nApplicability: Model 120 and 140 series aeroplanes with serial numbers 8000 through 15075 and 15200 through 15724.\n\nRequirement: If not previously accomplished; disconnect the wire, at the ammeter or at the electrical system bus as applicable, that connects the bus to the cigar lighter receptacle. (The wire is connected to either the bus side or equipment side of a circuit breaker or to the ammeter). Following the disconnection of this wire either:\n\n    Reconnect the wire to the electrical bus by using an existing or newly installed circuit protection device that is properly rated to protect the wire gauge used for this circuit, or\n    Disconnect the wire from the lighter receptacle at the opposite end and remove it from the aeroplane, or\n\n    c. Protect the wire by insulating its disconnected end, fold this wire end back against the wire bundle in which it is routed and secure it to that bundle.\n\nNote 1: The requirements of this Directive may have been previously accomplished in accordance with FAA AD 79-08-03 Amdt 39-3428.\n\nNote 2: For those installations reconnected in accordance with paragraph a. above, the proper rated circuit protection device to be used may be determined by consulting FAA Advisory Circular 43.13-1B Chapter 11.\n\nNote 3: FAA AD 79-08-03 Amdt 39-3428 refers.\n\nCompliance: At the next annual inspection, but no later that 100 hours time in service or 12 months after the effective date of this Directive, which ever occurs first.\n\nThis Airworthiness Directive becomes effective on 20 March 2003.","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive's applicability and corrective options track the FAA reference; the text notes that the requirement may already have been accomplished in accordance with FAA AD 79-08-03 (Note 1), and no text indicates an expansion or narrowing of scope compared with the referenced material."},"complexity_factors":["Applicability limited to Model 120/140 serials 8000–15075 and 15200–15724 (Applicability).","Multiple compliance pathways: install circuit protection, remove the wire, or insulate and secure it (Requirement).","Technical judgement required to select/install a ‘properly rated’ circuit protection device; references FAA AC 43.13-1B for sizing (Note 2).","Variable wire termination points (ammeter, bus, or circuit breaker) increase inspection/access complexity (Requirement).","Clear timing constraint tied to maintenance schedule: next annual inspection or within 100 hours/12 months (Compliance).","Cross-references to FAA AD 79-08-03 and prior compliance status may affect implementation (Note 1; Note 3).","Regulatory basis: issued by CASA delegate under subregulation 39.1(1) of CAR 1998 (header)."],"plain_english_summary":"Requires owners/operators of Cessna 120 and 140 aeroplanes (serials 8000–15075 and 15200–15724) to disconnect the cigar-lighter power lead at the ammeter or bus and then either fit a correctly rated circuit protector, remove the lead, or insulate and stow it (Requirement). Work must be done at the next annual inspection or within 100 flight hours or 12 months (Compliance). Operators pay parts and labour; certificated maintenance personnel decide method and implement per advisory guidance (Notes 1–2)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope. It addresses a specific unsafe condition (unprotected cigar lighter wiring) in a specific aircraft type (Cessna 120/140 series with defined serial numbers). The document has not expanded beyond this original safety purpose."},"complexity_factors":["Very short document (under 300 words)","Only 3 defined applicability criteria (model series and serial number ranges)","Simple conditional structure: 'If not previously accomplished' triggers the requirement","Three mutually exclusive compliance options presented in plain language","Minimal cross-referencing (only to FAA AD 79-08-03 and Advisory Circular 43.13-1B for technical guidance)","Single compliance deadline with clear 'whichever occurs first' logic","No nested exceptions or complex definitional sections"],"plain_english_summary":"This CASA Airworthiness Directive orders owners/operators of specific Cessna Model 120 and 140 aeroplanes (serials 8000–15075 and 15200–15724) to fix an unprotected cigar-lighter wire that creates a fire risk. By the next annual inspection (or within 100 flight hours/12 months from 20 Mar 2003) you must either add proper circuit protection, remove the lighter and wiring, or disconnect/insulate and secure the wire to disable the circuit."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-120-1-cigar-lighter-wiring","history":"/api/acts/ad-cessna-120-1-cigar-lighter-wiring/history","analysis":"/api/acts/ad-cessna-120-1-cigar-lighter-wiring/analysis","conflicts":"/api/acts/ad-cessna-120-1-cigar-lighter-wiring/conflicts","importantCases":"/api/acts/ad-cessna-120-1-cigar-lighter-wiring/important-cases","documents":"/api/acts/ad-cessna-120-1-cigar-lighter-wiring/documents"}}