{"id":"F2006B10801","name":"AD/IAI-W/25 - Pressurisation System - Emergency Operating Procedures","slug":"ad-iai-w-25-pressurisation-system-emergency-operating-procedures","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56267,"registerId":"commonwealth-F2006B10801-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/IAI-W/25 - Pressurisation System - Emergency Operating Procedures","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \n\nAIRWORTHINESS DIRECTIVE\n\n![](image.001.png)\n\n![](image.001.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.\n\nIsrael Aircraft Industries 1123 and 1124 (Westwind) Series Aeroplanes\n\nAD/IAI-W/25 Pressurisation S ystem \\- Emergency Operating\n\nProcedures\n\n  \n10/2002\n\nDM\n\nApplicability: Model 1124 and 1124A aeroplanes.\n\nRequirement: Unless already accomplished, insert the following temporary revisions (T/R) into the appropriate Aircraft Flight Manual (AFM):\n\nAeroplane Model AFM T/R Number/Date\n\n1124 No. 3 dated 16 January 2001\n\n1124A No. 5 dated 16 January 2001\n\nNote: CAA Israel AD 21-02-07-01 refers.\n\nCompliance: Before 20 September 2002.\n\nThis Airworthiness Directive becomes effective on 28 August 2002.\n\nBackground: This Directive requires the amendment of the AFM introducing revised emergency operating procedures when a warning of excessive cabin altitude is activated.\n\n![Signature of James Coyne](image.002.png)  \n\nJames Coyne\n\nDelegate of the Civil Aviation Safety Authority 19 August 2002\n\n![](image.001.png)\n\nThe above AD is notified in the Commonwealth of Australia Gazette on 28 August 2002.\n\n  \n\nPage 1 of 1","sortOrder":0}],"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 addressing a specific technical safety issue (cabin pressurisation emergency procedures) for specific aircraft models. It has not expanded beyond its original purpose."},"complexity_factors":["Very short document (1 page)","Only 2 aircraft models affected with straightforward applicability","Single, unambiguous requirement: insert specific temporary revision numbers into flight manuals","No defined terms section, no cross-references to other legislation beyond a single note referencing the Israeli authority's equivalent directive","Clear compliance date with no conditional exceptions or nested logic","Simple structure: Applicability → Requirement → Compliance → Background"],"plain_english_summary":"This mandatory AD requires owners/operators of IAI Westwind 1124 and 1124A jets in Australia to update their Aircraft Flight Manuals with new emergency procedures for cabin pressurisation failure and excessive cabin altitude warnings. It affects pilots, operators and maintenance personnel and aims to reduce hypoxia-related incapacitation risks. The AD took effect 28 Aug 2002 and the AFM update must be completed before 20 Sep 2002."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope aligns with the directive's stated purpose: amend AFMs for models 1124/1124A to add emergency procedures for excessive cabin altitude. It does not expand obligations beyond AFM insertions, nor add inspections or modifications, and explicitly references the corresponding CAA Israel AD."},"complexity_factors":["Limited applicability to two specific models (Applicability: Model 1124 and 1124A aeroplanes).","Single mandated action: insert Temporary Revisions into the AFM (Requirement: insert the following temporary revisions).","Clear, fixed compliance deadline (Compliance: Before 20 September 2002) and effective date (This Airworthiness Directive becomes effective on 28 August 2002).","No mandated inspections, parts replacements or engineering modifications — action is documentary and procedural (Background: amendment of the AFM introducing revised emergency operating procedures).","Reference to a foreign authority AD that may require cross-checking (Note: CAA Israel AD 21-02-07-01 refers).","Compliance costs and training burden fall to operators/owners (Requirement/Background: AFM T/R insertion and associated procedural change).","Regulatory decision recorded and limited discretion: issued by CASA delegate under subregulation 39.1(1) (signature and introductory text)."],"plain_english_summary":"This Airworthiness Directive requires operators of Israel Aircraft Industries Westwind aeroplanes (models 1124 and 1124A) to insert specified Temporary Revisions into the Aircraft Flight Manual (AFM) by 20 September 2002; it becomes effective 28 August 2002. The AFM change prescribes revised emergency procedures to follow when an excessive cabin altitude warning activates. Operators bear the cost of updating manuals and familiarising crews; the Civil Aviation Safety Authority (CASA) issued the requirement under subregulation 39.1(1)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-iai-w-25-pressurisation-system-emergency-operating-procedures","history":"/api/acts/ad-iai-w-25-pressurisation-system-emergency-operating-procedures/history","analysis":"/api/acts/ad-iai-w-25-pressurisation-system-emergency-operating-procedures/analysis","conflicts":"/api/acts/ad-iai-w-25-pressurisation-system-emergency-operating-procedures/conflicts","importantCases":"/api/acts/ad-iai-w-25-pressurisation-system-emergency-operating-procedures/important-cases","documents":"/api/acts/ad-iai-w-25-pressurisation-system-emergency-operating-procedures/documents"}}