100 Hour Inspection Checklist

The 100 Hour Inspection Checklist is a comprehensive evaluation of the overall condition of an aircraft. It is typically conducted every 100 hours of operation and includes a thorough visual inspection of the exterior and interior of the aircraft, as well as all components, systems, and accessories. It also involves a complete inspection of the engine, fuel system, propeller, electrical system, and instrumentation. Additionally, all required maintenance items, such as lubrication, are also included in the 100 Hour Inspection Checklist. This inspection helps to ensure the safety of the aircraft and its passengers, as it allows any potential problems to be quickly identified and rectified before they become a hazard.

  • Check all engine hoses and connections for leaks, erosion, and loose connections.
  • Check the oil filter for signs of wear and tear.
  • Check fuel lines and connections for leaks and signs of wear.
  • Check the air filter for dirt and debris.
  • Inspect the spark plugs and wiring for signs of wear and tear.
  • Check the ignition timing for proper settings.
  • Check the camshaft and crankshaft for wear or damage.
  • Check the compression in each cylinder.
  • Inspect the coolant system for any leaks or problems.
  • Check the radiator and hoses for any damage or leaks.
  • Check the brakes, pads, and discs for wear and damage.
  • Inspect the steering system for any wear or damage.
  • Inspect the exhaust system for any signs of damage.
  • Check all belts and pulleys for signs of wear and tear.
  • Inspect the suspension system for any signs of wear or damage.
  • Check the battery and connections for signs of corrosion or damage.
  • Inspect the lighting system for any signs of damage or wear.
  • Check the tires for any signs of wear or damage.
  • Check the oil level and quality.
  • Check the transmission oil level and quality.

Checklist Category

Frequently Asked Questions

  • What is included in a -hour inspection?

    -hour inspection typically includes a thorough inspection of the aircraft’s engine, airframe, and other systems to ensure they are in good working order This inspection typically includes a visual inspection, a functional test, and a record of all components inspected It may also include oil and filter changes, spark plug replacement, and engine compression tests

  • How often should a -hour inspection be done?

    Most aircraft manufacturers recommend completing a -hour inspection every hours of flight time, or every months, whichever comes first

  • What happens if the -hour inspection isn't completed on time?

    Failure to complete a -hour inspection on time could result in an aircraft being grounded and not allowed to fly until the inspection is completed