Aircraft Inspection Levels
Age 14 · Technology
Aircraft are inspected on schedules that range from quick daily fluid checks to deep tear-downs. Each deeper check opens more parts and looks for hidden cracks, wear and leaks.
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In the picture
- A hydraulic line on the landing gear strut: daily check for leaks and fluid level
- An open fuselage panel: internal ribs and frames exposed for inspection
- A handheld probe on the wing skin: ultrasonic check for hidden cracks
- A removed engine fan blade: check for wear, nicks and fatigue cracks
Examples
- Checking a bicycle chain before every ride and stripping the bike down once a year.
- A car oil check each month and a mechanic’s full service at 100,000 km.
Key takeaways
- Checks become more detailed as the interval between them grows.
- Fatigue cracks and worn parts are easier to find when panels are opened and parts are removed.
Quiz: Aircraft Inspection Levels (Age 14)
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What happens to aircraft checks as the time between them gets longer?
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Why do deeper aircraft inspections open panels and remove parts?
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Which inspection is an example of a quick daily check?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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