{"id":"F2019L01101","name":"Approval of a means of compliance with Transport Canada Airworthiness Directive (AD) CF-2014-41 – Fuel Spray Nozzle and Manifold Assembly Configuration","slug":"approval-of-a-means-of-compliance-with-transport-canada-airworthiness-directive-ad-cf-2014-41-fuel-s","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":99707,"registerId":"commonwealth-F2019L01101-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Instrument Number AEB 19/8295","sectionType":"part","heading":"Instrument Number AEB 19/8295","content":"# Instrument Number AEB 19/8295\n\nI, Pieter van Dijk, Manager Continued Operational Safety, a delegate of the Civil Aviation Safety Authority, make this instrument under paragraph 39.004(3)(a) of the Civil Aviation Safety Regulations 1998.\n\n![](image.001.jpeg)\n\nPieter van Dijk\n\nManager Continued Operational Safety\n\n20 August 2019\n\nApproval of a means of compliance with Transport Canada Airworthiness Directive (AD) CF-2014\\-41 – Fuel Spray Nozzle and Manifold Assembly Configuration\n\n1.  Duration\n\nThis instrument:\n\n(a) commences on the date of registration; and\n\n(b) ceases to have effect if Transport Canada AD CF-2014\\-41 (the AD) is amended.\n\n2. Application\n\nThis instrument applies to a registered operator of an aircraft fitted with a Pratt & Whitney Canada PW100 series engine mentioned in the AD, as in force at the date of this instrument.\n\n3. Approval\n\nI approve, as an acceptable means of compliance with the AD, the modification of the fuel spray nozzle manifold installation in accordance with Pratt & Whitney Canada service bulletin PW100-72-21891 as in force from time to time.\n\nNote: The words “as in force from time to time” require compliance with the most recent version of the referenced document.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument does not change the scope or applicability of Transport Canada AD CF-2014-41. It solely approves a particular method of compliance (Pratt & Whitney service bulletin PW100-72-21891) for operators of affected PW100-equipped aircraft (Application, clause 2; Approval, clause 3). The approval automatically stops if the AD is amended (Duration, clause 1(b)), so it does not broaden or narrow the AD’s mandatory reach."},"complexity_factors":["Narrow technical scope — applies only to PW100 series engines mentioned in the AD (Application, clause 2).","Dependence on an external instrument — approval is tied to Transport Canada AD CF-2014-41 and ceases if that AD is amended (Duration, clause 1(b)).","Dynamic reference to an external document — approval covers Pratt & Whitney service bulletin PW100-72-21891 “as in force from time to time”, requiring compliance with the most recent bulletin version (Approval, clause 3; Note).","Delegated administrative decision — instrument made by a CASA delegate under paragraph 39.004(3)(a) (instrument header).","Compliance burden on operators — operators must implement the modification per the service bulletin and bear associated costs (Approval, clause 3).","Simple legal effect — the instrument approves a means of compliance rather than altering the AD’s substantive obligations (Approval, clause 3).","Temporal trigger — instrument commences on registration, so administrative timing affects when the approval is effective (Duration, clause 1(a))."],"plain_english_summary":"This instrument approves a specific Pratt & Whitney service bulletin as an acceptable way for Australian operators to comply with Transport Canada AD CF-2014-41 on fuel spray nozzle and manifold configuration for PW100 series engines. It applies to registered operators of aircraft fitted with those engines, takes effect on registration, and stops having effect if the referenced AD is amended. Operators must carry out and pay for any required modifications; the Civil Aviation Safety Authority delegate is the approval decision‑maker."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard single-issue airworthiness instrument. It precisely matches its stated purpose: approving one specific means of compliance with one specific Canadian airworthiness directive for one engine type. No scope creep is evident."},"complexity_factors":["Very short instrument (4 substantive paragraphs including definitions in notes)","Only 1 defined concept implicitly referenced (the AD)","No cross-references to other legislation beyond the enabling regulation (CASR 39.004(3)(a))","Simple conditional logic: approval ceases if the Canadian AD is amended","Single operational requirement: follow the service bulletin","Incorporation by reference to external document (service bulletin) but with clear 'as in force from time to time' mechanism"],"plain_english_summary":"This CASA approval lets Australian operators of Pratt & Whitney Canada PW100-series engines use the manufacturer’s service bulletin (PW100-72-21891) to modify the fuel spray nozzle manifold as an acceptable means to comply with Canadian airworthiness directive CF-2014-41.  \n\nIt affects Australian-registered aircraft with these engines and matters because it provides a clear, approved compliance route, automatically incorporates future bulletin updates, and will lapse if Transport Canada amends the original directive."}},"importantCases":[],"_links":{"self":"/api/acts/approval-of-a-means-of-compliance-with-transport-canada-airworthiness-directive-ad-cf-2014-41-fuel-s","history":"/api/acts/approval-of-a-means-of-compliance-with-transport-canada-airworthiness-directive-ad-cf-2014-41-fuel-s/history","analysis":"/api/acts/approval-of-a-means-of-compliance-with-transport-canada-airworthiness-directive-ad-cf-2014-41-fuel-s/analysis","conflicts":"/api/acts/approval-of-a-means-of-compliance-with-transport-canada-airworthiness-directive-ad-cf-2014-41-fuel-s/conflicts","importantCases":"/api/acts/approval-of-a-means-of-compliance-with-transport-canada-airworthiness-directive-ad-cf-2014-41-fuel-s/important-cases","documents":"/api/acts/approval-of-a-means-of-compliance-with-transport-canada-airworthiness-directive-ad-cf-2014-41-fuel-s/documents"}}