{"id":"F2009L01944","name":"AD/AA-1/8 - Fuel Quantity Indicator - Modification - CANCELLED","slug":"ad-aa-1-8-fuel-quantity-indicator-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":79087,"registerId":"commonwealth-F2009L01944-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Gulfstream (Grumman American/ American A","sectionType":"division","heading":"Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes","content":"### Gulfstream (Grumman American/ American Aviation) AA-1 Series Aeroplanes\n\n| AD/AA-1/8 | Fuel Quantity Indicator - Modification | 6/2009 |\n| --------- | -------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                       |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 4 June 2009.                                                                                                                                                                                                                                             |\n| Background:  | This AD, issued in 1972, required a clear perspex protection cover over the glass tube of the fuel quantity indicator. The AD compliance was within 100 hours time in service after 31 July 1972. As all aircraft would have been modified by now, the AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n24 April 2009","sortOrder":0},{"sectionNumber":"AD/AA-1/8","sectionType":"part","heading":"AD/AA-1/8","content":"## AD/AA-1/8","sortOrder":1},{"sectionNumber":"Fuel Quantity Indicator - Modification","sectionType":"part","heading":"Fuel Quantity Indicator - Modification","content":"## Fuel Quantity Indicator - Modification","sortOrder":2},{"sectionNumber":"6/2009","sectionType":"part","heading":"6/2009","content":"## 6/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1444},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument terminates the Airworthiness Directive entirely rather than expanding its scope. The cancellation reflects obsolescence (universal compliance with the original modification requirement), not a policy shift or scope creep."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No cross-references to other legislative instruments","No conditional logic or exceptions","Extremely short length (under 150 words of substantive content)"],"plain_english_summary":"This document **cancels** an old aircraft safety rule (an Airworthiness Directive) that applied to Gulfstream AA-1 series aeroplanes.\n\n**What the old rule required:**\nIssued in 1972, the directive required owners to install a clear plastic (perspex) cover over the glass tube of the fuel quantity indicator to prevent damage. Owners had to comply within 100 hours of flying time after July 1972.\n\n**Why it is being cancelled:**\nBecause the modification was mandatory decades ago, every affected aircraft has already been fitted with the protective cover. The rule is now redundant and has been formally cancelled as of 4 June 2009."}},"importantCases":[],"_links":{"self":"/api/acts/ad-aa-1-8-fuel-quantity-indicator-modification-cancelled","history":"/api/acts/ad-aa-1-8-fuel-quantity-indicator-modification-cancelled/history","analysis":"/api/acts/ad-aa-1-8-fuel-quantity-indicator-modification-cancelled/analysis","conflicts":"/api/acts/ad-aa-1-8-fuel-quantity-indicator-modification-cancelled/conflicts","importantCases":"/api/acts/ad-aa-1-8-fuel-quantity-indicator-modification-cancelled/important-cases","documents":"/api/acts/ad-aa-1-8-fuel-quantity-indicator-modification-cancelled/documents"}}