{"id":"F2006B10824","name":"AD/INST/22 - Airborne Vacuum Pumps - Removal From Service","slug":"ad-inst-22-airborne-vacuum-pumps-removal-from-service","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56302,"registerId":"commonwealth-F2006B10824-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/INST/22 - Airborne Vacuum Pumps - Removal From Service","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nInstruments and Automatic Pilots\n\nAD/INST/22 Airborne Vacuum Pumps \\- Removal From Service 11/76\n\nApplicability: As detailed below.\n\nRequirement: Remove from service all Airborne engine driven vacuum pumps manufactured prior to 1966, for which the model and serial numbers are listed below:\n\n| Model          | Year | Serial Number  |\n| -------------- | ---- | -------------- |\n| 113A           | 1960 | 1D1 to 12D1199 |\n|                | 1961 | 1E1 to 12E2288 |\n|                | 1962 | 1F1 to 12F3411 |\n|                | 1963 | 1G1 to 12G4230 |\n|                | 1964 | 1H1 to 12H1688 |\n|                | 1965 | 1J1 to 12J210  |\n| 200 cc, 200 cw | 1963 | 5G43 to 12G903 |\n|                | 1964 | 1H1 to 12H5623 |\n|                | 1965 | 1J1 to 12J9397 |\n| 220 cc, 220 cw | 1964 | 2H1 to 12H680  |\n|                | 1965 | 1J1 to 4J393   |\n| 221 cc, 222 cw | 1965 | 3J1 to 12J371  |\n\nNote: Airborne Manufacturing Co. SL No. 16 and FAA AD 76-16-02, Amendment 39-2685 also pertain to this subject.\n\nCompliance: Within 100 hours time in service after 30 November 1976.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive focused specifically on removing defective vacuum pumps of a particular vintage. It has not expanded beyond its original narrow purpose."},"complexity_factors":["Single, unambiguous requirement (remove specific pumps)","Clear applicability table with model years and serial number ranges","Simple compliance deadline (100 hours time in service after fixed date)","No defined terms section, no cross-references to other legislation, no conditional exceptions","One brief note referencing related manufacturer service bulletins and FAA directives for context only"],"plain_english_summary":"This mandatory Airworthiness Directive requires owners/operators to immediately remove specified Airborne engine‑driven vacuum pumps (models 113A, 200/220/221/222 cc/cw) manufactured 1960–1965 and listed by serial number, because age-related failures can disable critical flight instruments.  \n\nCompliance was required within 100 flight hours after 30 November 1976; ADs are legally binding and noncompliance grounds an aircraft as unairworthy."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument sets a targeted removal requirement for listed pumps and a fixed compliance timeframe. The text contains no indication the listed scope was expanded or narrowed relative to an earlier version; no amendments are provided in the source."},"complexity_factors":["Narrow, concrete applicability: specific models and explicit serial-number ranges reduce ambiguity.","Single mandatory action (remove from service) simplifies required compliance steps.","Fixed compliance deadline (100 hours TIS after 30 Nov 1976) provides a clear timing obligation.","Cross-references to Airborne SL No.16 and FAA AD 76-16-02 may require checking external documents.","Administrative burden for operators to inspect serial numbers, record removals and source replacement parts."],"plain_english_summary":"This airworthiness directive requires removal from service of specified Airborne engine‑driven vacuum pumps manufactured before 1966, listed by model and serial-number ranges. Stated purpose: remove potentially unsafe older pumps.\n\nIt applies to aircraft operators and maintenance organisations using those pumps and mandates removal within 100 hours time-in-service after 30 November 1976, creating equipment replacement costs, inspection and downtime obligations; operators must verify serial numbers against the table and comply."}},"importantCases":[],"_links":{"self":"/api/acts/ad-inst-22-airborne-vacuum-pumps-removal-from-service","history":"/api/acts/ad-inst-22-airborne-vacuum-pumps-removal-from-service/history","analysis":"/api/acts/ad-inst-22-airborne-vacuum-pumps-removal-from-service/analysis","conflicts":"/api/acts/ad-inst-22-airborne-vacuum-pumps-removal-from-service/conflicts","importantCases":"/api/acts/ad-inst-22-airborne-vacuum-pumps-removal-from-service/important-cases","documents":"/api/acts/ad-inst-22-airborne-vacuum-pumps-removal-from-service/documents"}}