{"id":"F2006B10797","name":"AD/IAI-W/21 - Windshield Wiper Arm","slug":"ad-iai-w-21-windshield-wiper-arm","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56262,"registerId":"commonwealth-F2006B10797-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/IAI-W/21 Windshield Wiper Arm 10/2000","sectionType":"part","heading":"AD/IAI-W/21 Windshield Wiper Arm 10/2000 DM","content":"# AD/IAI-W/21 Windshield Wiper Arm 10/2000 DM\n\nApplicability: All Models 1123, 1124, and 1124A.\n\nRequirement: Inspect the windshield wipers in accordance with Israel Aircraft Industries Alert Service Bulletin 1123-30A-050 or 1124-30A-142, as applicable.\n\nNote: Israel CAA AD 30-00-07-10 refers.\n\nCompliance: Within 10 flight hours after 30 August 2000 for aircraft with more than 4,000 total flight hours on 30 August 2000.\n\nBefore 30 November 2000 for aircraft with less than 4,000 total flight hours on 30 August 2000.\n\nThis Airworthiness Directive becomes effective on 30 August 2000.\n\nBackground: A report was received of rivet failure on a windshield wiper arm. This Directive requires inspections to prevent possible in-flight separation of the wiper arm tip assembly.\n\n![Signature of Steve Swift](image.003.png)  \n\nSteve Swift\n\nDelegate of the Civil Aviation Safety Authority 24 August 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 30 August 2000.","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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow airworthiness directive focused on a specific mechanical defect in specific aircraft models. It has not expanded beyond its original safety purpose."},"complexity_factors":["Very short document (under 300 words)","Only 3 defined applicability criteria (specific aircraft models)","Simple binary compliance structure based on flight hours threshold","Single requirement with clear reference to external technical documents","No nested exceptions or conditional logic beyond the flight hours split","No cross-references to other legislation beyond a single note about related Israeli CAA directive"],"plain_english_summary":"This AD requires owners/operators of Israel Aircraft Industries business jets (models 1123, 1124, 1124A) to inspect windshield wiper arms for potential rivet failure that could allow parts to detach in flight. Inspections must follow IAI service bulletin instructions.\n\nAircraft with >4,000 flight hours as of 30 Aug 2000 must be inspected within 10 flight hours; those with fewer hours must be inspected by 30 Nov 2000. The goal is to prevent in-flight detachment that could damage the airplane or injure occupants."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument as published prescribes inspections for Models 1123, 1124 and 1124A per the named IAI Alert Service Bulletins with two compliance windows; the source contains no indication the scope was altered from that original issuance."},"complexity_factors":["Narrow applicability limited to three specific aircraft models (1123, 1124, 1124A).","Mandates inspections by reference to external IAI Alert Service Bulletins (1123-30A-050, 1124-30A-142), creating reliance on non‑statutory documents.","Two distinct compliance deadlines tied to an aircraft's total flight hours as of a fixed date (30 Aug 2000), adding an administratively specific compliance determination.","Regulatory basis is a single subregulation (CAR subreg 39.1(1))—clear legal authority but limited explanatory detail on acceptable corrective actions beyond the SBs.","Technical focus (rivet failure on wiper arm) means inspection procedures may require licensed maintenance personnel and recordkeeping, imposing modest operational burden."],"plain_english_summary":"This Airworthiness Directive requires operators of Israel Aircraft Industries Models 1123, 1124 and 1124A to inspect windshield wipers in line with the specified IAI Alert Service Bulletins to prevent possible in‑flight separation of a wiper arm tip assembly. The CASA delegate issued the AD under CAR subregulation 39.1(1); operators must meet two alternate compliance deadlines based on each aircraft's total flight hours as at 30 August 2000 and bear the cost and time of the inspections."}},"importantCases":[],"_links":{"self":"/api/acts/ad-iai-w-21-windshield-wiper-arm","history":"/api/acts/ad-iai-w-21-windshield-wiper-arm/history","analysis":"/api/acts/ad-iai-w-21-windshield-wiper-arm/analysis","conflicts":"/api/acts/ad-iai-w-21-windshield-wiper-arm/conflicts","importantCases":"/api/acts/ad-iai-w-21-windshield-wiper-arm/important-cases","documents":"/api/acts/ad-iai-w-21-windshield-wiper-arm/documents"}}