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  2. ATA 100 - Wikipedia

    en.wikipedia.org/wiki/ATA_100

    ATA 100 contains the reference to the ATA numbering system which is a common referencing standard for commercial aircraft documentation. This commonality permits greater ease of learning and understanding for pilots , aircraft maintenance technicians , and engineers alike.

  3. Check valve - Wikipedia

    en.wikipedia.org/wiki/Check_valve

    A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...

  4. Components of jet engines - Wikipedia

    en.wikipedia.org/wiki/Components_of_jet_engines

    Fan air redirection is performed by devices called "blocker doors" and "cascade vanes". This is the case on many large aircraft such as the 747, C-17, KC-10, etc. If you are on an aircraft and you hear the engines increasing in power after landing, it is usually because the thrust reversers are deployed.

  5. Electrical wiring interconnection system - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring...

    Prior to the aviation accidents of TWA Flight 800 and SwissAir 111, the wiring on aircraft was a minor concern.In response to these accidents, the Aging Transport Systems Rulemaking Advisory Committee (ATSRAC) was chartered to gather industry leaders examine the current state of aging aircraft systems; one of the main areas examined included EWIS. [3]

  6. Aircraft maintenance checks - Wikipedia

    en.wikipedia.org/wiki/Aircraft_maintenance_checks

    The C check is performed approximately every 20–24 months, or a specific number of actual flight hours (FH), or as defined by the manufacturer. This maintenance check is much more extensive than the B check, requiring a large majority of the aircraft's components to be inspected. This check puts the aircraft out of service for 1–4 weeks.

  7. List of aviation, avionics, aerospace and aeronautical ...

    en.wikipedia.org/wiki/List_of_aviation,_avionics...

    Aircraft Security Logging Overview ASM Airspace management: ASM Available seat miles A-SMGCS Advanced Surface Movement Guidance and Control System: ASOS Automated Surface Observation System assy Assembly: A/S Anti-Skid ASR Airport surveillance radar: ASU Avionics switching unit A/T Autothrottle: Also 'AT' A/THR Autothrust ATA Air Transport ...

  8. CFM International CFM56 - Wikipedia

    en.wikipedia.org/wiki/CFM_International_CFM56

    Once restored, the life limited parts must be replaced after: 20,000 cycles for the hot section ($0.5m), 25,000 for the axial compressor, and 30,000 for the fan and booster ($0.5m-$0.7m) for a recent CFM56. The whole engine parts cost more than $3m, $3.5 to $4m with the shop work-hours, around $150 per cycle. [43]

  9. Bleed air - Wikipedia

    en.wikipedia.org/wiki/Bleed_air

    Bleed air in aerospace engineering is compressed air taken from the compressor stage of a gas turbine, upstream of its fuel-burning sections.Automatic air supply and cabin pressure controller (ASCPC) valves bleed air from low or high stage engine compressor sections; low stage air is used during high power setting operation, and high stage air is used during descent and other low power setting ...