{"id":"F2006B09640","name":"AD/F100/39 - Flight Crew Seat Shoulder Harness","slug":"ad-f100-39-flight-crew-seat-shoulder-harness","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":54449,"registerId":"commonwealth-F2006B09640-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 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/F100/39 Flight Crew Seat Shoulder Har","sectionType":"part","heading":"AD/F100/39 Flight Crew Seat Shoulder Harness 3/2000","content":"# AD/F100/39 Flight Crew Seat Shoulder Harness 3/2000\n\nApplicability: All aircraft equipped with Pacific Scientific Model 0108900 series flight crew shoulder harness assemblies.\n\nRequirement: Perform a one-time inspection and functional check of the shoulder harness in accordance with Fokker Services’ SB F100-25-088.\n\nNote: RLD AD 1999-139 dated 29 October 1999 refers.\n\nCompliance: Before 23 September 2000.\n\nThis Airworthiness Directive becomes effective on 23 March 2000.\n\nBackground: There is an overseas report that a pilot’s shoulder harness pulled out of the inertia reel completely due to an incorrectly attached reel mechanism.\n\n![Signature of Eugene Paul Holzapfel, Delegate of the Civil Aviation Safety Authority.](image.003.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 11 February 2000\n\n![](image.002.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 23 February 2000.","sortOrder":1}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope—addressing a specific mechanical defect in a specific harness model. There is no evidence of scope creep; it targets exactly the unsafe condition described in the background."},"complexity_factors":["Very short document (under 300 words)","Only 1 defined term implicitly referenced (the SB F100-25-088 technical bulletin)","Single, unambiguous requirement with no conditional exceptions","No cross-references to other legislation beyond the enabling regulation (CAR 1998 subreg 39.1(1))","Clear applicability criteria (specific model number)","Simple compliance deadline (single fixed date)"],"plain_english_summary":"This CASA safety order requires owners/operators of aircraft fitted with Pacific Scientific Model 0108900-series pilot shoulder harnesses to perform a one-time inspection and functional test, following Fokker Services SB F100-25-088. It responds to an overseas incident where a harness detached from its inertia reel, posing a severe pilot ejection/control risk. The inspection deadline was 23 September 2000 (order effective 23 March 2000)."},"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"},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive retains a narrowly targeted scope: it mandates a one‑time inspection of a specific shoulder harness model across all aircraft fitted with that model (Applicability; Requirement). It does not broaden applicability, create recurring mandates, or alter airworthiness standards beyond requiring the SB procedure be followed (Requirement; Compliance)."},"complexity_factors":["Narrow technical scope — applies only to Pacific Scientific Model 0108900 series harnesses (Applicability).","Single mandated action — a one‑time inspection and functional check reduces ongoing regulatory burden (Requirement).","Dependence on external maintenance instructions — compliance requires following Fokker Services SB F100‑25‑088 (Requirement).","Fixed compliance deadline — creates short-term scheduling pressure for operators (Compliance).","Regulatory authority and enforcement — AD issued under CAR 1998 subreg 39.1(1), placing discretionary enforcement and record-keeping obligations on CASA and operators (opening paragraph; Background)."],"plain_english_summary":"This Airworthiness Directive requires a one‑time inspection and functional check of Pacific Scientific Model 0108900 series flight‑crew shoulder harness assemblies, carried out in accordance with Fokker Services SB F100‑25‑088 and completed by 23 September 2000 (Requirement; Compliance). It applies to all aircraft fitted with those harnesses (Applicability) and responds to a report that a harness pulled out of its inertia reel (Background). Aircraft owners/operators must arrange and pay for the inspection; CASA issued and enforces the directive under CAR 1998 subreg 39.1(1)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-f100-39-flight-crew-seat-shoulder-harness","history":"/api/acts/ad-f100-39-flight-crew-seat-shoulder-harness/history","analysis":"/api/acts/ad-f100-39-flight-crew-seat-shoulder-harness/analysis","conflicts":"/api/acts/ad-f100-39-flight-crew-seat-shoulder-harness/conflicts","importantCases":"/api/acts/ad-f100-39-flight-crew-seat-shoulder-harness/important-cases","documents":"/api/acts/ad-f100-39-flight-crew-seat-shoulder-harness/documents"}}