{"id":"F2006B10776","name":"AD/IAI-A/19 - Towing Warning Placard","slug":"ad-iai-a-19-towing-warning-placard","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56231,"registerId":"commonwealth-F2006B10776-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.001.png)  \n\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 CASR 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\n![](image.001.png)  \n\nIsrael Aircraft Industries 1125 (Astra) Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/IAI-A/19 Towing Warning Placard 4/200","sectionType":"part","heading":"AD/IAI-A/19 Towing Warning Placard 4/2004 DM","content":"# AD/IAI-A/19 Towing Warning Placard 4/2004 DM\n\nApplicability: Models 1125 Astra and Astra SPX aircraft, serial numbers 004 through 110. Requirement: Install two Warning Placards on the Nose Landing Gear Doors in accordance with\n\nGulfstream Aerospace Service Bulletin No. 1125-11-181 Revision 1.\n\nNote: Israel CAA AD 32-03-12-09 refers.\n\nCompliance: Within 50 flight hours after 10 March 2004, unless already accomplished.\n\nThis Airworthiness Directive becomes effective on 10 March 2004.\n\nBackground: Reports were received of damage to the nose landing gear steering brackets. Investigation revealed the likely cause for failures of the steering brackets as excessive torsional forces applied to the steering assembly during towing operation of the aircraft with torque links connected. AD/IAI-A/18 currently requires on-going inspections of the steering brackets for damage.\n\n![](image.002.png)  \n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority 4 March 2004\n\n![](image.001.png)","sortOrder":1}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical failure mode in a limited fleet of aircraft. The scope remains tightly focused on the original safety issue (towing-related steering bracket damage) and has not expanded beyond this purpose."},"complexity_factors":["Single, specific mechanical action required (install two placards)","Only one defined term of note ('Compliance' period clearly stated)","No nested exceptions or conditional logic—straightforward applicability (specific serial numbers)","Clear cross-reference to external technical document (Service Bulletin) for implementation details","Short document (approximately 200 words of substantive text)","Single compliance deadline with one simple exception ('unless already accomplished')"],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Israel Aircraft Industries 1125 Astra and Astra SPX (S/N 004–110) to fit two warning placards on the nose‑wheel doors to alert ground crew to disconnect the torque links before towing. It addresses repeated failures of nose‑gear steering brackets when aircraft were towed with torque links connected, preventing costly damage and safety risks. Compliance follows Gulfstream Service Bulletin No. 1125‑11‑181 Rev 1 within 50 flight hours of 10 March 2004."},"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":2,"scope_assessment":{"changed":false,"description":"No — the AD adds a placard-installation requirement for Models 1125 Astra and Astra SPX, serials 004–110, supplementing (not expanding) the ongoing inspection regime referenced in AD/IAI‑A/18 and does not broaden applicability beyond those aircraft."},"complexity_factors":["Narrow applicability: specific models and serial numbers (Applicability).","Prescriptive, single action: install two placards per a named service bulletin (Requirement).","Short, clear compliance window: within 50 flight hours after a fixed date (Compliance).","References and linkage: cites Gulfstream service bulletin and earlier AD/IAI‑A/18 and Israel CAA AD (Requirement; Background).","Low technical difficulty but requires operator scheduling and recordkeeping (Compliance).","Issued by CASA delegate under CASR subreg 39.1(1), giving administrative authority to mandate corrective action (preamble)."],"plain_english_summary":"**What it does:** This Airworthiness Directive requires operators of Israel Aircraft Industries 1125 Astra and Astra SPX aeroplanes (serial numbers 004–110) to install two warning placards on the nose landing gear doors in accordance with Gulfstream Service Bulletin No. 1125‑11‑181 Rev 1, within 50 flight hours of 10 March 2004. The CASA delegate issued the AD under CASR subreg 39.1(1). Operators pay for and schedule the installation; the measure aims to reduce torsional damage to nose‑steering brackets caused by towing with torque links connected."}},"importantCases":[],"_links":{"self":"/api/acts/ad-iai-a-19-towing-warning-placard","history":"/api/acts/ad-iai-a-19-towing-warning-placard/history","analysis":"/api/acts/ad-iai-a-19-towing-warning-placard/analysis","conflicts":"/api/acts/ad-iai-a-19-towing-warning-placard/conflicts","importantCases":"/api/acts/ad-iai-a-19-towing-warning-placard/important-cases","documents":"/api/acts/ad-iai-a-19-towing-warning-placard/documents"}}