{"id":"F2012L01667","name":"AD/GA8/6 - Pitot Heat Wiring","slug":"ad-ga8-6-pitot-heat-wiring","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":89625,"registerId":"commonwealth-F2012L01667-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Gippsland Aeronautics GA8 Series Aeropla","sectionType":"division","heading":"Gippsland Aeronautics GA8 Series Aeroplanes","content":"### Gippsland Aeronautics GA8 Series Aeroplanes\n\n| AD/GA8/6 | Pitot Heat Wiring | 16/2012 |\n| -------- | ----------------- | ------- |\n\n| Applicability: | All GA8 Series aeroplanes which have heated pitot fitted except for aeroplanes modified by GippsAero Engineering Release ER-GA8-950216.                                                                                                                                                                                                         |\n| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Modify the pitot heat wiring in accordance with GippsAero Service Bulletin SB-GA8-2012-77 Issue 3 or later approved revision.                                                                                                                                                                                                                   |\n| Compliance:    | To be completed at the next 100 hour inspection check and no later than 1 August 2013, whichever occurs first.                                                                                                                                                                                                                                  |\n|                | This Airworthiness Directive becomes effective on 13 August 2012.                                                                                                                                                                                                                                                                               |\n| Background:    | CASA has received a number of Service Difficulty Reports regarding the pitot probe heater connector. The loss of pitot heat in Instrument Meteorological Condition (IMC) may lead to the loss of airspeed indication. This may lead to the loss of control of the aeroplane. Remedial action is to replace the connector with a terminal block. |\n\n![](image.001.png)\n\nRick Leeds  \nDelegate of the Civil Aviation Safety Authority\n\n6 August 2012","sortOrder":0},{"sectionNumber":"AD/GA8/6","sectionType":"part","heading":"AD/GA8/6","content":"## AD/GA8/6","sortOrder":1},{"sectionNumber":"Pitot Heat Wiring","sectionType":"part","heading":"Pitot Heat Wiring","content":"## Pitot Heat Wiring","sortOrder":2},{"sectionNumber":"16/2012","sectionType":"part","heading":"16/2012","content":"## 16/2012","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, targeted Airworthiness Directive addressing a specific wiring defect in a single aircraft type. The scope remains precisely limited to the identified safety issue with pitot heat connectors on GA8 Series aircraft, with no evidence of scope creep or expansion beyond the original safety purpose."},"complexity_factors":["Very short document (approximately 200 words of substantive content)","Only 1 defined term used (IMC - Instrument Meteorological Conditions, explained in context)","No cross-references to other legislation or regulations","Simple conditional logic: single exception clause for aircraft already modified under ER-GA8-950216","Clear, single compliance pathway with straightforward deadline calculation","No nested exceptions or layered conditions","Single operational requirement with explicit reference to manufacturer service bulletin"],"plain_english_summary":"This AD mandates owners/operators of Gippsland Aeronautics GA8 series aeroplanes with heated pitot tubes (unless already corrected under ER-GA8-950216) to modify the pitot heat wiring by replacing the faulty connector with a terminal block per Service Bulletin SB-GA8-2012-77 (or later). Compliance is required by the next 100‑hour inspection or 1 August 2013, to prevent pitot heater failure and loss of airspeed indication in IMC, which can lead to loss of control."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive targets pitot heat wiring on GA8 aeroplanes with heated pitots (excluding those modified by ER-GA8-950216) to address reported pitot heater connector problems (Applicability; Background). It does not expand coverage beyond that defined group and prescribes a single corrective action path (Requirement; Compliance)."},"complexity_factors":["Narrow technical scope — applies only to GA8 series with heated pitot (Applicability).","Mandated use of a specific service bulletin, with allowance for a later ‘approved revision’ (Requirement) creating an approval dependency.","Compliance tied to maintenance schedule or a fixed calendar date, requiring record checks and scheduling (Compliance).","Safety‑critical electrical work requiring qualified maintenance and potential parts/standards sourcing (background risk-driven technical work).","Exemption for aircraft already modified by ER-GA8-950216 introduces an applicability exception to verify."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Gippsland Aeronautics GA8 aeroplanes fitted with heated pitot probes to modify the pitot heat wiring in accordance with GippsAero Service Bulletin SB-GA8-2012-77 Issue 3 or a later approved revision (Applicability; Requirement). The work must be completed at the next 100‑hour inspection or by 1 August 2013, whichever is sooner; CASA made the directive effective 13 August 2012 (Compliance; Background)."},"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-ga8-6-pitot-heat-wiring","history":"/api/acts/ad-ga8-6-pitot-heat-wiring/history","analysis":"/api/acts/ad-ga8-6-pitot-heat-wiring/analysis","conflicts":"/api/acts/ad-ga8-6-pitot-heat-wiring/conflicts","importantCases":"/api/acts/ad-ga8-6-pitot-heat-wiring/important-cases","documents":"/api/acts/ad-ga8-6-pitot-heat-wiring/documents"}}