{"id":"F2006B05359","name":"AD/P68/33 Amdt 1 - Engine and Propeller Control Cables","slug":"ad-p68-33-amdt-1-engine-and-propeller-control-cables","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45907,"registerId":"commonwealth-F2006B05359-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/P68/33 Amdt 1 - Engine and Propeller Control Cables","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)  \nPartenavia P68 Series Aeroplanes\n\nAD/P68/33\n\nAmdt 1\n\n  \nEngine and Propeller Control Cables 3/95 DM\n\nApplicability: Model P68 series aircraft, up to and including serial number 394, excluding serial number 391.\n\nRequirement: 1. Inspect in accordance with Partenavia Mandatory Service Bulletin 81 Revision 1.\n\n2. Replace the cables in accordance with Partenavia Mandatory Service Bulletin 81 Revision 1.\n\nCompliance: 1. Within 25 hours time in service after 11 January 1995 and thereafter at intervals not to exceed 25 hours time in service, until replacement in accordance with Requirement 2 of this Directive.\n\n2. Prior to 11 January 1996.\n\nBackground: A report was received of the failure of a part number NOR 7.171-6 propeller control cable. Amendment 1 is issued in response to a revision of the Requirement Document which requires a more frequent inspection period prior to replacement of the cables.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific mechanical failure in a specific aircraft model. It has not expanded beyond its original purpose of mandating inspection and replacement of faulty control cables."},"complexity_factors":["Very short document (under 300 words)","Only 2 substantive requirements with clear deadlines","Single defined applicability criterion (serial number range)","No cross-references to other legislation beyond the enabling regulation (CAR 1998 Part 39)","Simple sequential structure: Applicability → Requirement → Compliance → Background","No conditional logic or nested exceptions — straightforward 'if you own this plane, do this' structure"],"plain_english_summary":"This is a **safety directive** (called an \"Airworthiness Directive\") issued by Australia's Civil Aviation Safety Authority for a specific type of small aircraft — the **Partenavia P68 series**.\n\n**What it does:**\n- **Orders owners/operators** of these planes to inspect and eventually replace certain control cables that operate the engine and propeller.\n- **Why:** A propeller control cable (part number NOR 7.171-6) failed on one of these aircraft, creating a serious safety risk.\n\n**Who it affects:**\n- Owners and operators of Partenavia P68 aircraft with **serial numbers up to 394** (but **not serial number 391**).\n\n**What must be done:**\n1. **Inspect** the cables every **25 hours of flying time**, starting from 11 January 1995, until the cables are replaced.\n2. **Replace** the cables completely **before 11 January 1996**.\n\n**What changed in this version (Amendment 1):**\n- The inspection interval was made **more frequent** (every 25 hours instead of less often) based on updated technical information from the manufacturer.\n\nThis is essentially a **mandatory safety recall** for aircraft — non-compliance would breach civil aviation law."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The amendment does not change which aircraft are covered (Applicability remains Model P68 series up to serial number 394, excluding serial number 391) but does change the operational requirements by requiring a more frequent inspection period prior to replacement (Background: \"Amendment 1 is issued in response to a revision of the Requirement Document which requires a more frequent inspection period prior to replacement of the cables\"). The directive therefore narrows the permissible interval between inspections until the mandatory replacement is performed."},"complexity_factors":["Narrow applicability limited to Model P68 series aircraft up to serial number 394, excluding serial number 391 (low scope breadth).","Clear, time-bound compliance requirements (inspection within 25 hours after 11 January 1995 and every 25 hours thereafter until replacement; replacement before 11 January 1996).","Dependence on an external technical document (Partenavia Mandatory Service Bulletin 81 Revision 1) for procedural detail increases practical complexity for implementers.","Amendment changes inspection frequency but does not alter applicability, minimizing legal interpretive complexity.","No multiple alternative compliance pathways or discretionary exemptions provided in the text (reduces legal complexity)."],"plain_english_summary":"This airworthiness directive for Partenavia P68 series aeroplanes (up to S/N 394, excluding S/N 391) requires repeated inspections of engine and propeller control cables every 25 flight hours starting within 25 hours after 11 Jan 1995, and mandatory cable replacement by 11 Jan 1996, following Partenavia Mandatory Service Bulletin 81 Revision 1. Issued after a propeller control cable failure, Amendment 1 shortens the interim inspection interval. Operators/owners bear the inspection and replacement costs and must follow the service bulletin to comply."}},"importantCases":[],"_links":{"self":"/api/acts/ad-p68-33-amdt-1-engine-and-propeller-control-cables","history":"/api/acts/ad-p68-33-amdt-1-engine-and-propeller-control-cables/history","analysis":"/api/acts/ad-p68-33-amdt-1-engine-and-propeller-control-cables/analysis","conflicts":"/api/acts/ad-p68-33-amdt-1-engine-and-propeller-control-cables/conflicts","importantCases":"/api/acts/ad-p68-33-amdt-1-engine-and-propeller-control-cables/important-cases","documents":"/api/acts/ad-p68-33-amdt-1-engine-and-propeller-control-cables/documents"}}