{"id":"F2006L03197","name":"AD/DAUPHIN/88 - Engine Control Selector Switch Guard","slug":"ad-dauphin-88-engine-control-selector-switch-guard","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60508,"registerId":"commonwealth-F2006L03197-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Eurocopter SA 360 and SA 365 (Dauphin) S","sectionType":"division","heading":"Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters","content":"### Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters\n\n| AD/DAUPHIN/88 | Engine Control Selector Switch Guard | 11/2006 |\n| ------------- | ------------------------------------ | ------- |\n\n```html\n

Applicability:

AS 365 N3 helicopters without MOD 0739C36.

Note 1: This includes helicopters with MOD 0739B86 embodied in accordance with Eurocopter Service Bulletin 76.00.06 or during customisation by Eurocopter (helicopter serial number 6510, 6561, 6565, 6568, 6571, 6582, 6585, 6587 and 6596 were modified during customisation).

Requirement:

1. Replace the engine control switch guards on panel 12 ALPHA as follows:

a. Helicopters not modified per MOD 0739B86 - Comply with the instructions in paragraphs 2.B.1, 2.B.2, 2.B.3, 2.B.4 and 2.B.5 of Eurocopter AS 365 Alert Service Bulletin (ASB) 76.00.08 or later approved EASA revision.

b. Helicopters not modified per MOD 0739C36 - Comply with the instructions in paragraphs 2.B.1, 2.B.3 and 2.B.5 of AS 365 ASB 76.00.08 or later approved EASA revision.

2. Selector switch guards (selector lifting interlocks) with the following part numbers may not be installed either as an initial installation or as a replacement spare.

800KU01B6AA
800KU01D6AA

801KU01C6AA
801KU01E6AA

Note 2: EASA AD 2006-0255 refers.

Compliance:

For Requirement 1 - No later than 550 hours time in service, after the effective date of this Directive, or 26 October 2007, whichever occurs first.

For Requirement 2 - After the Requirement 1 modification has been accomplished or 26 October 2007, whichever occurs first.

This Airworthiness Directive becomes effective on 26 October 2006.

\n```\n\n| Background: | This Directive is issued to prevent the engine control selector flipping from FLT to IDLE during flight. The Directive requires the installation of new selector lifting interlocks with locking detents. |\n| ----------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n\n![](image.001.png) \nJames Coyne \nDelegate of the Civil Aviation Safety Authority\n\n15 September 2006","sortOrder":0},{"sectionNumber":"AD/DAUPHIN/88","sectionType":"part","heading":"AD/DAUPHIN/88","content":"## AD/DAUPHIN/88","sortOrder":1},{"sectionNumber":"Engine Control Selector Switch Guard","sectionType":"part","heading":"Engine Control Selector Switch Guard","content":"## Engine Control Selector Switch Guard","sortOrder":2},{"sectionNumber":"11/2006","sectionType":"part","heading":"11/2006","content":"## 11/2006","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The Directive's scope, as stated, matches its safety purpose: it focuses on AS365 N3 helicopters lacking a specific mod (0739C36) and prescribes a retrofit and part prohibitions to prevent unintended FLT→IDLE selector movement. There is no text in the instrument indicating an expansion or narrowing of that stated scope beyond the conditional applicability and notes (Applicability; Requirement 1; Requirement 2; Background)."},"complexity_factors":["Targeted applicability limited to AS365 N3 helicopters that do not have MOD 0739C36 (Applicability).","Different compliance steps depending on whether helicopters have MOD 0739B86 or 0739C36, creating conditional requirements (Requirement 1a and 1b; Note 1).","Mandate to follow specific paragraphs of Eurocopter AS 365 Alert Service Bulletin 76.00.08 (or later approved EASA revision) — introduces cross‑reference to manufacturer and EASA material rather than self‑contained technical instructions (Requirement 1a/b).","Prohibition on installing four specific selector guard part numbers (800KU01B6AA, 800KU01D6AA, 801KU01C6AA, 801KU01E6AA) — affects spare‑parts sourcing and inventory management (Requirement 2).","Dual compliance trigger: within 550 flight hours after effective date or by a calendar deadline (26 October 2007), whichever is earlier — complicates scheduling for operators (Compliance for Requirement 1).","Staged prohibition timing for the listed parts (after the Requirement 1 modification has been accomplished or 26 October 2007) creates sequencing constraints (Compliance for Requirement 2).","Reference to 'later approved EASA revision' gives regulators and manufacturer scope to change technical details without amending this Directive directly (Requirement 1a/b).","Enforceable effective date and administrative provenance (becomes effective 26 October 2006; Delegate signature) clarifies regulatory force but requires operator administrative tracking."],"plain_english_summary":"This Directive requires operators of certain Eurocopter AS365 N3 helicopters (those without MOD 0739C36) to replace the engine control selector switch guards with new locking interlocks and forbids re‑fitting specified older guard part numbers. Mechanically, it mandates installation per Eurocopter service instructions to stop the selector moving from FLT to IDLE in flight. It directly affects helicopter operators and parts suppliers by creating a specific retrofit obligation and restricting allowable spares."},"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"},"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":false,"description":"This is a standard, targeted airworthiness directive addressing a specific safety defect in a specific helicopter model. The scope remains tightly focused on the original safety purpose — preventing inadvertent engine control selector movement. There is no evidence of scope creep beyond the original safety intent."},"complexity_factors":["Multiple modification statuses create conditional applicability (MOD 0739B86 vs MOD 0739C36)","Cross-reference to external technical documents (Eurocopter ASB 76.00.08 and EASA AD 2006-0255)","Different compliance instructions depending on which modification the helicopter has (paragraphs 2.B.1-2.B.5 vs 2.B.1, 2.B.3 and 2.B.5)","Dual compliance deadlines with 'whichever occurs first' logic","Specific part number prohibitions (4 banned part numbers listed)","Technical aviation terminology requiring domain knowledge (MOD numbers, ASB references, 'time in service')"],"plain_english_summary":"This CASA Airworthiness Directive mandates that owners/operators of Eurocopter AS365 N3 helicopters without factory MOD 0739C36 must replace engine control switch guards on the cockpit panel and no longer install certain banned part numbers. \n\nThe change prevents accidental movement of the engine control selector from FLT to IDLE—a serious flight-safety risk—and must be done within 550 flight hours or by 26 October 2007 (AD effective 26 October 2006)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dauphin-88-engine-control-selector-switch-guard","history":"/api/acts/ad-dauphin-88-engine-control-selector-switch-guard/history","analysis":"/api/acts/ad-dauphin-88-engine-control-selector-switch-guard/analysis","conflicts":"/api/acts/ad-dauphin-88-engine-control-selector-switch-guard/conflicts","importantCases":"/api/acts/ad-dauphin-88-engine-control-selector-switch-guard/important-cases","documents":"/api/acts/ad-dauphin-88-engine-control-selector-switch-guard/documents"}}