{"id":"F2006B10928","name":"AD/JETSTREAM/58 Amdt 1 - Windscreen","slug":"ad-jetstream-58-amdt-1-windscreen","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56471,"registerId":"commonwealth-F2006B10928-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/JETSTREAM/58 Amdt 1 - Windscreen","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)  \nBritish Aerospace BAe 3100 (Jetstream) Series Aeroplanes\n\nAD/JETSTREAM/58\n\nAmdt 1\n\n  \nWindscreen 4/94\n\nApplicability: All Jetstream Series 3100 and Series 3200 aircraft; which have left and right windscreens with part numbers as detailed in Pilkington Aerospace Ltd. Service Bulletin 037-56-1001.\n\nRequirement: Action in accordance with BAe Mandatory Service Bulletin 56-JA 920843 Revision 1.\n\nCompliance: As specified in the Requirement Document, with the initial inspection requirement, unless already accomplished, within 300 hours time in service after 31 March 1994.\n\nBackground: Cracking of the PVB interlayer on the left and right windscreens has been reported. If the cracking exceeds certain limits, failure of the windscreen could occur during pressurisation or in the event of a bird-strike.\n\nAmendment 1 is issued in response to a revision of the Requirement Document which expands applicability to all aircraft, and introduces repetitive inspections to aircraft with new type windscreens installed.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"The original directive (implied by 'Amendment 1') was narrower in scope. Amendment 1 expanded applicability from a subset of aircraft to 'all aircraft' in the series, and introduced ongoing repetitive inspections for aircraft with new-type windscreens — changing it from a one-off inspection to a continuing airworthiness obligation for some operators."},"complexity_factors":["Short, single-purpose document (1 page)","Only 4 defined elements: applicability, requirement, compliance, and background","Minimal conditional logic — essentially 'if you have this aircraft, do this inspection'","Cross-references to external technical documents (BAe Service Bulletin and Pilkington Service Bulletin) rather than internal legislative complexity","Simple temporal trigger (300 hours after 31 March 1994)","No nested exceptions or elaborate definitions section"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of British Aerospace Jetstream 3100/3200 aircraft with specified windscreen part numbers to inspect cockpit windscreens for cracking of the PVB interlayer, which can lead to windscreen failure in flight.  \n\nIt mandates compliance with BA Mandatory Service Bulletin 56-JA 920843 Rev 1 — an initial inspection within 300 flight hours (from 31 Mar 1994) and, per Amendment 1, repetitive inspections for aircraft with replacement windscreens; Amendment 1 extends coverage to all 3100/3200s."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 1 increases scope: it expands applicability from aircraft fitted with specified windscreens to all Jetstream Series 3100/3200 aircraft and introduces repetitive inspections for aircraft fitted with the new-type windscreens, thereby adding recurring inspection obligations not present in the original Requirement Document (Amendment 1)."},"complexity_factors":["External-document reliance: mandates compliance with BAe Mandatory Service Bulletin 56-JA 920843 Revision 1 and references Pilkington Service Bulletin 037-56-1001 (Requirement/Applicability).","Parts-specific applicability: applies only where left/right windscreens have specified part numbers (Applicability).","Defined compliance timeframe: initial inspection required within 300 hours time in service after 31 March 1994 (Compliance).","Amendment effects: expands applicability to all aircraft and introduces repetitive inspections for aircraft with the new windscreens (Amendment 1).","Safety-consequence linkage: action driven by reported PVB interlayer cracking that could cause failure during pressurisation or bird-strike (Background).","Operational impact concentrated on operators: inspections and recurrent maintenance obligations fall to aircraft operators/owners."],"plain_english_summary":"This airworthiness directive requires operators of British Aerospace Jetstream Series 3100/3200 aeroplanes fitted with certain Pilkington windscreens to carry out inspections and any follow-up actions in accordance with BAe Mandatory Service Bulletin 56-JA 920843 Revision 1; an initial inspection is due within 300 hours time in service after 31 March 1994 unless already completed. It responds to reported cracking of the PVB windscreen interlayer that can lead to windscreen failure; Amendment 1 broadens applicability to all aircraft and adds repetitive inspections for aircraft with the new-type windscreens, shifting inspection and maintenance duties onto operators."}},"importantCases":[],"_links":{"self":"/api/acts/ad-jetstream-58-amdt-1-windscreen","history":"/api/acts/ad-jetstream-58-amdt-1-windscreen/history","analysis":"/api/acts/ad-jetstream-58-amdt-1-windscreen/analysis","conflicts":"/api/acts/ad-jetstream-58-amdt-1-windscreen/conflicts","importantCases":"/api/acts/ad-jetstream-58-amdt-1-windscreen/important-cases","documents":"/api/acts/ad-jetstream-58-amdt-1-windscreen/documents"}}