{"id":"F2006B07119","name":"AD/S-PUMA/43 Amdt 2 - Ferry Tank Attachment","slug":"ad-s-puma-43-amdt-2-ferry-tank-attachment","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48932,"registerId":"commonwealth-F2006B07119-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/S-PUMA/43 Amdt 2 - Ferry Tank Attachment","content":"![](image.001.png)\n\n![](image.001.png)  \nAIRWORTHINESS DIRECTIVE\n\nOn the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/S-PUMA/43 Amdt 1 and issues the following 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\nEurocopter AS 332 (Super Puma) Series Helicopters\n\nAD/S-PUMA/43\n\nAmdt 2\n\n  \nFerry Tank Attachment 12/2004\n\nApplicability: AS 332 helicopters, versions C, C1, L, and L1, equipped with ferry tanks pre- modification 0726279 or before compliance with Eurocopter AS 332 Service Bulletin No. 53.01.37 or SB 53.01.38, or Technical Directive No. 53.91.35.\n\nNote: The limitation stipulated in this Directive is not applicable to the fifth fuel tank, which is located in the rear of the helicopter.\n\nRequirement: Limit ferry tank refuelling to 328 kg per tank in accordance with the instructions specified in paragraph 2.B. of Eurocopter AS 332 Alert Service Bulletin No.\n\n01.00.67.\n\nNote: DGAC AD F-2002-508 R2 refers.\n\nCompliance: Effective from 23 October 2002.\n\nThe compliance time remains unchanged by this issue.\n\nThis Amendment becomes effective on 25 November 2004.\n\nBackground: A report was received of a hard landing, during which a ferry tank was torn from its attachment on the baggage compartment floor.\n\nAmendment 1 introduced Revision 1 of the Requirement document, with no change to technical content.\n\nAmendment 2 is issued in response to a revision of the related DGAC AD, which introduces a new Alert Service Bulletin as the Requirement document instead of the previous Alert Telex, with no change to technical content.\n\nAmendment 1 of this Airworthiness Directive became effective on 20 March 2003.\n\nEurocopter AS 332 (Super Puma) Series Helicopters\n\nAD/S-PUMA/43 Amdt 2 (continued)\n\nThe original issue of this Airworthiness Directive became effective on 23 October 2002.\n\n![Signature of David Villiers Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority 14 October 2004\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 3 November 2004.","sortOrder":0}],"analysis":{"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":"Amendment 2 did not broaden or narrow the technical requirements. It replaces the previously referenced Alert Telex with a revised Alert Service Bulletin as the requirement document and aligns the AD with a related DGAC AD; the technical content (the 328 kg per-tank limit and the applicability) remained unchanged. The AD therefore remains within the original, narrow safety-focused scope (limiting ferry tank fuel quantity unless the modification/service bulletin has been complied with)."},"complexity_factors":["Short single-topic directive focused on one operational limit (328 kg per ferry tank).","One explicit exception (fifth rear tank excluded).","Several cross-references to external technical documents: Eurocopter Alert Service Bulletin No. 01.00.67 (paragraph 2.B.), Eurocopter SB No. 53.01.37, SB No. 53.01.38, Technical Directive No. 53.91.35.","Reference to a modification identifier (0726279) which changes applicability.","Amendments history (original AD, Amdt 1, Amdt 2) but no change to technical content — administrative layering only.","Clear compliance date and effective dates (two dates: original compliance and this amendment’s effective date)."],"plain_english_summary":"**What this directive does (mechanically)**\n\n- Revokes the earlier AD/S-PUMA/43 Amdt 1 and issues AD/S-PUMA/43 Amdt 2 under CASA's airworthiness powers (see heading and signature).  \n- Places a mandatory limit on how much fuel may be put into each ferry tank on certain Eurocopter AS 332 (Super Puma) helicopters: no more than 328 kg per ferry tank. (See Requirement.)  \n- The limit applies only to AS 332 versions C, C1, L and L1 that have ferry tanks installed before modification 0726279, or before they have complied with certain Eurocopter Service Bulletins or a Technical Directive (see Applicability).  \n- The rule explicitly does not apply to the fifth fuel tank located at the rear of the helicopter. (See Note in Applicability/Requirement.)  \n- Compliance was required from 23 October 2002; this Amendment (Amdt 2) became effective on 25 November 2004. (See Compliance and Effectivity.)\n\n**Why the rule was issued (official rationale and mechanical effect)**\n\n- Officially, the AD responds to a reported hard landing in which a ferry tank was torn from its attachment on the baggage compartment floor. The AD therefore imposes a restriction on fuel quantity per ferry tank to address the unsafe condition. (Background; Requirement.)\n\n**Who this affects and who pays**\n\n- Directly affected: operators/owners of Eurocopter AS 332 helicopters (versions C, C1, L, L1) fitted with ferry tanks installed before mod 0726279 or before compliance with Eurocopter SB No. 53.01.37, SB No. 53.01.38, or TD No. 53.91.35. (Applicability.)  \n- Responsible decision-maker: the CASA delegate issued the AD; compliance and enforcement are regulatory responsibilities of CASA and the operator's continuing airworthiness obligations. (Heading/signature.)  \n- Who pays: affected operators bear any costs from limiting fuel per tank (operational changes, extra refuelling stops, possible additional flight legs, administrative record-keeping, or costs to carry out the referenced modification/service bulletin to remove the restriction).  \n\n**What operators must do (behaviour change)**\n\n- Limit ferry tank refuelling to 328 kg per tank and follow the specified instructions in paragraph 2.B. of Eurocopter AS 332 Alert Service Bulletin No. 01.00.67. (Requirement.)  \n- Alternatively, operators can remove the restriction by completing the cited modification or complying with the listed Eurocopter Service Bulletins/Technical Directive. The Applicability clause makes the restriction conditional on tanks being installed before mod 0726279 or the listed SB/TD being complied with.\n\n**Trade-offs, incentives and practical effects (implementation risks and opportunity costs)**\n\n- Safety aim: the measure is targeted at reducing a risk connected with ferry tanks detaching during hard landings (Background). The directive ties the corrective action (fuel quantity limit) to a specific technical instruction in the Eurocopter Alert Service Bulletin.  \n- Operational cost: a 328 kg per-tank cap reduces fuel carried per tank and therefore reduces range/endurance per ferry tank. Operators will face either more refuelling stops or reduced payload/range, which creates a tangible operational cost. (Implicit from the Requirement and Applicability.)  \n- Compliance pathway: operators can choose to (a) comply with the per-tank limit each flight, incurring recurring operational costs, or (b) adopt the specified modification/service bulletin so the ferry tanks are no longer in the AD's applicability window. That creates an upfront modification cost but removes ongoing operational constraints.  \n- Enforcement and monitoring: compliance is straightforward to verify by fuel records and weight checks, so enforcement risk is low; however, accurate fuel measurement/recording must be maintained.  \n- Concentration of benefits/costs: the direct safety benefit is concentrated on flights using ferry tanks (and on occupants/third parties in the event of hard landing consequences), while costs are borne by operators who use those tanks.  \n- Administrative layering: this AD cross-references Eurocopter Alert Service Bulletin No. 01.00.67 and earlier Eurocopter SBs/TDs and a related DGAC AD, so operators must consult the manufacturer documents to implement the technical instructions precisely. (Requirement; Applicability; Background.)\n\n**Implementation details to note**\n\n- The AD requires compliance with the instructions in paragraph 2.B. of Eurocopter AS 332 Alert Service Bulletin No. 01.00.67 — operators must obtain and follow that paragraph for the exact refuelling procedure. (Requirement.)  \n- The fifth fuel tank (rear tank) is expressly excluded from the limitation. (Note under Applicability/Requirement.)  \n- The Amendment 2 itself did not change the technical content of the requirement; it replaced the referenced requirement document (Alert Service Bulletin) for administrative alignment with a revised DGAC AD. (Background.)"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains identical technical content to the original 2002 directive and Amendment 1. The only change is administrative — updating the referenced document from an Alert Telex to an Alert Service Bulletin to align with the French DGAC AD revision. The scope (specific helicopter models, specific unmodified ferry tanks, 328 kg limit) remains unchanged since original issue."},"complexity_factors":["Single, specific technical requirement (328 kg limit) with clear applicability criteria","Only 4 defined helicopter model variants in scope","Minimal conditional logic — straightforward modification status test (pre-mod 0726279 or pre-SB compliance)","One explicit exclusion (fifth rear fuel tank)","No nested exceptions or cross-references to other legislation beyond a single reference to French DGAC AD","Short document (~250 words) with clear structure: Applicability, Requirement, Compliance, Background"],"plain_english_summary":"This mandatory CASA Airworthiness Directive restricts ferry-tank fuelling on certain Eurocopter AS 332 Super Puma (C, C1, L, L1) helicopters to a maximum of 328 kg per tank for tanks not modified per the manufacturer. It responds to an incident where a ferry tank tore loose in a hard landing (risking fire, explosion, or loss of control), and revokes and replaces the earlier amendment only to update the referenced service document—not the safety requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-puma-43-amdt-2-ferry-tank-attachment","history":"/api/acts/ad-s-puma-43-amdt-2-ferry-tank-attachment/history","analysis":"/api/acts/ad-s-puma-43-amdt-2-ferry-tank-attachment/analysis","conflicts":"/api/acts/ad-s-puma-43-amdt-2-ferry-tank-attachment/conflicts","importantCases":"/api/acts/ad-s-puma-43-amdt-2-ferry-tank-attachment/important-cases","documents":"/api/acts/ad-s-puma-43-amdt-2-ferry-tank-attachment/documents"}}