{"id":"F2006B07144","name":"AD/SUPP/17 Amdt 1 - Lucas Air Equipment Rescue Hoists - Up Limit Position Security","slug":"ad-supp-17-amdt-1-lucas-air-equipment-rescue-hoists-up-limit-position-security","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48985,"registerId":"commonwealth-F2006B07144-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SUPP/17 Amdt 1 - Lucas Air Equipment Rescue Hoists - Up Limit Position Security","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nSupplementary Equipment\n\nAD/SUPP/17\n\nAmdt 1\n\n  \n\nLucas Air Equipment Rescue Hoists \\- Up Limit Position Security\n\n  \n9/97\n\nApplicability: LUCAS AIR EQUIPMENT electric hoists P/N 76375-030, \\-130, 76378 and 76378-\n\n100 equipped with electronic control boxes P/N 61148-001, -002 and -006 and are installed on, but not limited to, the EUROCOPTER Helicopters; SA 360, SA 365 and SA 565 series.\n\nRequirement: 1. Visually inspect the cable and blank of the electronic control box upper vent in accordance with LUCAS AIR EQUIPMENT Service Telex 61148-25-CW-01 Issue 1 dated 26 April 1994, paras 1 and 2.\n\n    2. Carry out the end of travel procedure described in LUCAS AIR EQUIPMENT Service Telex 61148-25-CW-01 Issue 1 dated 26 April 1994 Para 3.\n\n    If, for any reason, the hook comes fully home at an uncontrolled speed, the hoist assembly (hoist and control box) must be removed from the helicopter for maintenance by an authorised repair facility.\n\n    b. In the case of uncontrolled speed variation or absence of automatic speed reduction, contact the manufacturer for further instructions.\n\n    3. The incorporation of the following service bulletins on the electric hoist and on the electronic control box is terminating action for this airworthiness directive:\n\nElectric Hoist\n\nPart Number Applicable Service Bulletin\n\n76375-030, 76375-130 SB 25-69-0Y\n\n76378, 76378-100 SB 76378-25-03\n\nElectronic Control Box\n\nPart Number Applicable Service Bulletin\n\n61148-002 SB 61148-25-01 Issue 2\n\n61148-006 SB 61148-25-02 Issue 2\n\nNote: DGAC AD 94-116(AB)R1 refers.\n\nCompliance: For Requirement 1, before first use of hoist after 18 May 1994.\n\nFor Requirement 2, during each hoisting operation. For Requirement 3, at operators discretion.\n\nThe effective date of the original AD was 18 May 1994.\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\nThis airworthiness directive becomes effective on 14 August 1997.\n\nBackground: DGAC have advised that several incidents, caused by dynamic overloading on winding up limit, due to uncontrolled or excessive speed of the cable normally regulated by the automatic speed reducing mechanism or the operator, have been recorded. These incidents could cause the breaking of the cable.\n\nThe AD has been amended in response to a revision by the DGAC and includes both an ongoing inspection and terminating action.\n\nThe original issue of this airworthiness directive became effective on 18 May 1994.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is Amendment 1 to an existing directive. The amendment appears to refine and clarify the original 1994 directive based on revised French authority guidance, adding the recurring operational check and formalising the terminating action. The scope remains tightly focused on the specific hoist safety defect originally identified."},"complexity_factors":["Multiple part number combinations requiring cross-referencing (4 hoist P/Ns × 3 control box P/Ns)","Three distinct compliance timelines (one-time inspection, recurring operational check, optional terminating action)","Conditional logic: different actions required depending on whether uncontrolled speed occurs","External document dependencies: references to manufacturer service bulletins and French DGAC directive not reproduced in full","Nested applicability clause ('installed on, but not limited to') creates interpretive uncertainty about scope"],"plain_english_summary":"This Airworthiness Directive requires operators of certain Lucas Air Equipment electric rescue hoists on SA 360/365/565 Eurocopters to perform mandatory inspections, end-of-use speed-control checks, and immediate removal/repair if the hook slams home at uncontrolled speed.  \n\nIt responds to incidents where sudden hook over-speed causes cable breakage—risking loss of life—and thus targets SAR, police, and EMS helicopter operators to prevent catastrophic rescue failures."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":true,"description":"The amendment adds an ongoing inspection/check requirement (end-of-travel checks during every hoisting operation) and explicitly makes the installation of specified service bulletins on hoist and control box the terminating action. The original AD dated 18 May 1994 has been amended (effective 14 August 1997) to include these continuing operational checks and the terminating-action pathway."},"complexity_factors":["Technical specificity: directive applies only to listed hoist and control-box part numbers (multiple P/Ns).","Multiple inspection regimes and timings: Requirement 1 (pre-use), Requirement 2 (during each hoisting operation) and differing compliance windows.","Conditional operational response: removal for authorised repair if hook returns at uncontrolled speed; contact manufacturer for speed-variation cases (Requirement 2).","Terminating action depends on incorporation of several specified service bulletins on both hoist and control box (Requirement 3).","Dependency on external documents: Lucas Service Telex 61148-25-CW-01 and multiple service bulletins must be obtained and followed.","Operational and logistic costs: need for authorised repair facility, potential hoist downtime and parts/repair expense.","Cross-reference to foreign AD (DGAC AD 94-116(AB)R1) and background incident data introduces coordination/traceability considerations.","Discretion point for operators: terminating action is at operator discretion, creating variability in compliance and cost timing."],"plain_english_summary":"This Airworthiness Directive requires operators of specified Lucas electric rescue hoists and their electronic control boxes to inspect the control-box upper vent before first use, perform an \"end of travel\" check during every hoisting operation, and remove the hoist for authorised maintenance if the hook returns at uncontrolled speed. Installing the listed Lucas service bulletins on the hoist and control box ends the directive.\n\nThe DGAC links the rule to incidents of dynamic overloading that may break the cable; operators pay for inspections, repairs and downtime, while fitting the service-bulletin fixes converts recurring checks into a one-time repair cost."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-supp-17-amdt-1-lucas-air-equipment-rescue-hoists-up-limit-position-security","history":"/api/acts/ad-supp-17-amdt-1-lucas-air-equipment-rescue-hoists-up-limit-position-security/history","analysis":"/api/acts/ad-supp-17-amdt-1-lucas-air-equipment-rescue-hoists-up-limit-position-security/analysis","conflicts":"/api/acts/ad-supp-17-amdt-1-lucas-air-equipment-rescue-hoists-up-limit-position-security/conflicts","importantCases":"/api/acts/ad-supp-17-amdt-1-lucas-air-equipment-rescue-hoists-up-limit-position-security/important-cases","documents":"/api/acts/ad-supp-17-amdt-1-lucas-air-equipment-rescue-hoists-up-limit-position-security/documents"}}