{"id":"F2006B10848","name":"AD/INST/44 - KAP 140 and KFC 225 Autopilot Systems","slug":"ad-inst-44-kap-140-and-kfc-225-autopilot-systems","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56339,"registerId":"commonwealth-F2006B10848-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\n![](image.002.png)  \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.","sortOrder":0},{"sectionNumber":"AD/INST/44 KAP 140 and KFC 225 Autopilot","sectionType":"part","heading":"AD/INST/44 KAP 140 and KFC 225 Autopilot Systems 5/2000 DM","content":"# AD/INST/44 KAP 140 and KFC 225 Autopilot Systems 5/2000 DM\n\nApplicability: Honeywell KAP 140 or KFC 225 autopilot system and incorporating autopilot servo actuators referenced in the Honeywell service information and the table presented below.\n\nNote 1: AlliedSignal Avionics Inc. manufactured the KAP 140 and KFC 225 autopilot systems before transferring the design data to Honeywell.\n\n| Service Bulletin No          | Date          | Applicability                                                                                                        |\n| ---------------------------- | ------------- | -------------------------------------------------------------------------------------------------------------------- |\n| SB KS 270C-4 ALERTRevision 1 | February 2000 | KS 270C Pitch Servo Actuators, part number (P/N) 065-00178-XXXX (all versions), serial numbers (S/N) 2701 and below. |\n| SB KS 271C-5 ALERTRevision 1 | February 2000 | KS 271C Primary Servo Actuators, P/N 065-00179-XXXX (all versions), S/N 4201, 4158 through 4148, and 4103 and below. |\n| SB KS 272C-4 ALERTRevision 2 | February 2000 | KS 272C Trim Servo Actuators, P/N 065-00180-XXXX (all versions), S/N 2435 and below.                                 |\n\nNote 2: The autopilot systems are known to be installed on but not limited to the following aircraft:\n\n| Type Certificate Holder     | Aircraft Models                   | Autopilot Installed |\n| --------------------------- | --------------------------------- | ------------------- |\n| Cessna Aircraft Company     | 172R, 172S, 182S, 206H, and T206H | Model KAP 140       |\n| Commander Aircraft Company  | 114B and 114TC                    | Model KFC 225       |\n| Mooney Aircraft Corporation | M20R and M20S                     | Model KFC 225       |","sortOrder":1}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":true,"description":"The AD targets specific KAP 140 and KFC 225 systems by part and serial number (Applicability; SB table) but explicitly notes the listed aircraft are examples and not exhaustive, so the operational scope extends beyond the enumerated models (Note 2). The instrument therefore applies across aircraft types where the identified actuators are installed, not solely to the manufacturers/models listed."},"complexity_factors":["Part- and serial-number specificity: applicability is tied to exact P/N and S/N ranges for multiple servo actuator models (SB table).","Reliance on manufacturer service bulletins: required actions reference Honeywell/AlliedSignal SBs, so compliance depends on technical instructions outside the AD (Applicability; SB table).","Cross-aircraft scope uncertainty: Note 2 lists example aircraft but expressly states the AD is not limited to those types, widening operational scope (Note 2).","Traceability and record-keeping: operators must determine whether affected servo actuators are installed, which can require maintenance records or physical inspection (Applicability; SB table).","Maintenance competence and downtime: required inspections/repairs will need qualified maintenance personnel and may take aircraft out of service, creating operational and scheduling costs (requirement/compliance framing at top).","Regulatory mechanics and discretion: AD issued under CAR 1998 subreg 39.1(1) by a CASA delegate, which frames the legal authority and timing obligations (introductory paragraph).","Transfer of design data: earlier manufacture by AlliedSignal and later design-data transfer to Honeywell may complicate sourcing of technical data and support (Note 1)."],"plain_english_summary":"This Airworthiness Directive requires inspection and corrective action for Honeywell KAP 140 and KFC 225 autopilot systems that use specified KS-series servo actuators (identified by part and serial numbers) in line with the listed Honeywell/AlliedSignal service bulletins. It applies to owners/operators of aircraft fitted with those autopilots (examples include certain Cessna, Commander and Mooney models) and matters because it addresses an identified unsafe condition in servo actuators that can impair autopilot performance."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard, narrow-scope Airworthiness Directive targeting specific hardware defects in defined autopilot systems. It remains focused on its original safety purpose without expansion into broader regulatory areas."},"complexity_factors":["Short, single-purpose directive with clear applicability section","Only 3 defined service bulletins referenced via table format","Limited conditional logic — applicability determined by part/serial numbers","No nested exceptions or complex cross-referencing to other legislation","Straightforward compliance structure (action required per referenced technical documents)","Specific aircraft models listed in table format rather than complex descriptive text"],"plain_english_summary":"This CASA Airworthiness Directive orders inspection, modification, or replacement of certain Honeywell KAP 140/KFC 225 autopilot servo actuators found to be potentially unsafe. It affects owners, operators and maintenance organisations of aircraft equipped with these systems (including various Cessna, Commander and Mooney models). The action prevents servo failures that can cause loss of control or uncommanded control inputs, ensuring unsafe components are identified and rectified."}},"importantCases":[],"_links":{"self":"/api/acts/ad-inst-44-kap-140-and-kfc-225-autopilot-systems","history":"/api/acts/ad-inst-44-kap-140-and-kfc-225-autopilot-systems/history","analysis":"/api/acts/ad-inst-44-kap-140-and-kfc-225-autopilot-systems/analysis","conflicts":"/api/acts/ad-inst-44-kap-140-and-kfc-225-autopilot-systems/conflicts","importantCases":"/api/acts/ad-inst-44-kap-140-and-kfc-225-autopilot-systems/important-cases","documents":"/api/acts/ad-inst-44-kap-140-and-kfc-225-autopilot-systems/documents"}}