{"id":"F2006B04832","name":"AD/CA25/12 - Rudder Pedal Cable Attachment Lug","slug":"ad-ca25-12-rudder-pedal-cable-attachment-lug","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44633,"registerId":"commonwealth-F2006B04832-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.001.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 CASR 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\nSkyfox Aviation (Hedaro) CA25 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/CA25/12 Rudder Pedal Cable Attachment","sectionType":"part","heading":"AD/CA25/12 Rudder Pedal Cable Attachment Lug 1/2004","content":"# AD/CA25/12 Rudder Pedal Cable Attachment Lug 1/2004\n\nDM\n\nApplicability: Skyfox Aviation (Hedaro) CA 25 Series aeroplanes\n\nRequirement: Carry out a close visual inspection of the rudder cable to rudder pedal attachment lugs of the left and right rudder pedals, in the area where the lug is welded to the rudder pedal. Pay particular attention to the firewall side of the rudder pedal to lug attachment. Pedal assemblies found to be defective as a result of this inspection must be removed from service or repaired before further flight.\n\nNote 1: ULTRALIGHT AIRCRAFT AIRWORTHINESS NOTICE 15/10/2003 Refers.\n\nNote 2: Repairs to rudder pedal assemblies must be in accordance with an approved repair scheme.\n\nCompliance: Within ten flying hours after the effective date of this directive, and at each 100 hour scheduled inspection thereafter.\n\nThis Airworthiness Directive becomes effective on 26 November 2003.\n\nBackground: Operators report complete detachment of the rudder cable from the rudder pedal, and cracking in the metal in the areas adjacent to the welds where the rudder cable lug attaches to the pedal.\n\n![](image.002.png)  \n\nNeville Probert\n\nDelegate of the Civil Aviation Safety Authority 20 November 2003\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 26 November 2003.","sortOrder":1}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The AD is narrowly tailored to address reported cracking and detachment at the rudder cable-to-pedal lug weld. It requires inspection and removal/repair of defective parts and does not expand obligations beyond that safety remediation. There is no evident expansion of scope beyond the original purpose of correcting the unsafe condition described in the Background section."},"complexity_factors":["Single aircraft series (Skyfox CA25) in Applicability section","One clear mandated action (close visual inspection of rudder pedal lug weld area)","Simple compliance timeline (within 10 flying hours, then at each 100-hour inspection)","Two short explanatory notes (reference to an Airworthiness Notice; repairs must follow an approved repair scheme)","Minimal cross-references (CASR subregulation 39.1(1) and an Airworthiness Notice)","No nested exceptions or multiple conditional pathways","Short document length (single-page AD)"],"plain_english_summary":"**What this instrument does (mechanically)**\n\n- Requires owners/operators of Skyfox Aviation (Hedaro) CA25 series aeroplanes to carry out a close visual inspection of the rudder cable-to-pedal attachment lugs on both left and right rudder pedals, focusing on the weld area where the lug joins the pedal (especially the firewall side).\n- If the inspection finds a defective pedal assembly, that assembly must be removed from service or repaired before the aeroplane may fly again.\n- Repairs must follow an approved repair scheme (see Note 2).\n- The inspection must be done within 10 flying hours after the AD’s effective date and then at every 100-hour scheduled inspection thereafter.\n\n**Who is affected**\n\n- Owners and operators of Skyfox Aviation (Hedaro) CA25 series aeroplanes.\n- Maintenance organisations and mechanics who perform inspections and repairs on those aeroplanes.\n- Potentially the suppliers of replacement pedal assemblies or repair parts.\n\n**Why it matters (stated purpose and how the instrument addresses it)**\n\n- The stated background is reports of complete detachment of the rudder cable from the rudder pedal and cracking in metal adjacent to the welds where the cable lug attaches to the pedal. The AD aims to detect cracked or failing pedal assemblies before a cable detaches in service.\n- The AD makes a mandatory inspection regime and requires removal/repair of defective parts to eliminate the unsafe condition.\n\n**Practical effects, costs and incentives**\n\n- Who pays: aircraft owners/operators pay for inspections, any repairs or replacement parts, and potential downtime while a pedal assembly is removed or repaired.\n- Who decides: a CASA delegate issued the AD (legal source of requirement). Maintenance providers decide whether an assembly is serviceable and perform or arrange approved repairs; an approved authority must accept the repair scheme (Note 2).\n- Behaviour changes: operators must schedule an early inspection (within 10 flying hours) and include this check in the 100-hour inspection cycle; defective pedals must be grounded until repaired or replaced.\n- Compliance burden: the inspection is a close visual check (labour time modest), but finding defects may trigger more costly repairs or part replacement and cause operational disruption. Smaller operators (e.g., ultralight owners) may face relatively higher per-aircraft costs.\n- Implementation risk: the directive relies on close visual inspection, which may miss subsurface cracks or fatigue not visible without nondestructive testing; effectiveness depends on inspector skill and an adequate approved repair scheme.\n- Trade-offs and opportunity costs: the AD prioritises immediate safety detection at the cost of inspection time and potential repairs; resources spent complying are unavailable for other maintenance or operational uses.\n- Effects on private enterprise: maintenance shops and parts suppliers will receive additional work; there may be increased demand for approved repair schemes or replacement pedal assemblies.\n\n**Relevant cross-references and constraints**\n\n- The AD is issued under CASR subregulation 39.1(1) (legal power to require corrective action).\n- Note 1 references ULTRALIGHT AIRCRAFT AIRWORTHINESS NOTICE 15/10/2003 (a source of further guidance). Note 2 requires repairs to follow an approved repair scheme.\n\n**Bottom line**\n\n- This is a narrowly targeted safety directive that mechanically requires a short‑term inspection and recurring checks of a specific weld area on CA25 rudder pedals, with mandatory removal or approved repair if defects are found. It shifts inspection and repair costs to aircraft operators and places some reliance on the quality of visual inspections and the availability of approved repair schemes."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific mechanical failure mode in a single aircraft series. It has not expanded beyond its original purpose of mandating inspection and repair of a known defect."},"complexity_factors":["Single aircraft type affected (narrow applicability)","One clear inspection requirement with straightforward pass/fail outcome","Simple compliance timeline (10 hours initially, then every 100 hours)","Only 2 brief notes for context","No defined terms section, no cross-references to other legislation beyond a single Airworthiness Notice","Background section is one sentence explaining the safety issue"],"plain_english_summary":"This Airworthiness Directive requires Skyfox CA25 owners/operators to inspect both rudder pedal assemblies for cracks or breaks at the rudder cable attachment (especially the firewall-facing side) and, if defects are found, repair or replace the pedal with an approved repair before next flight. Initial inspection: within 10 flying hours of 26 Nov 2003; repeat every 100 flying hours thereafter."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-ca25-12-rudder-pedal-cable-attachment-lug","history":"/api/acts/ad-ca25-12-rudder-pedal-cable-attachment-lug/history","analysis":"/api/acts/ad-ca25-12-rudder-pedal-cable-attachment-lug/analysis","conflicts":"/api/acts/ad-ca25-12-rudder-pedal-cable-attachment-lug/conflicts","importantCases":"/api/acts/ad-ca25-12-rudder-pedal-cable-attachment-lug/important-cases","documents":"/api/acts/ad-ca25-12-rudder-pedal-cable-attachment-lug/documents"}}