What is Fuel sump?
Fuel sump A low point or reservoir in an aircraft fuel tank or system where water, debris, and contaminants collect and can be drained during preflight checks.
Source: ICAO Doc 9432, FAA PCG
How is “Fuel sump” Used in Practice?
Pilot, drain the fuel sump prior to start and check for water or sediment as part of the preflight inspection.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is Fuel sump?
A low point or reservoir in an aircraft fuel tank or system where water, debris, and contaminants collect and can be drained during preflight checks.
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