What is Auxiliary Power Unit Fire?
Auxiliary Power Unit Fire A fire involving the auxiliary power unit, typically located in the aircraft's tail, requiring immediate shutdown and fire suppression.
Source: ICAO Doc 9432, FAA PCG
How is “Auxiliary Power Unit Fire” Used in Practice?
Ground, APU fire warning illuminated after engine shutdown, APU switched off and fire bottle discharged.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is Auxiliary Power Unit Fire?
A fire involving the auxiliary power unit, typically located in the aircraft's tail, requiring immediate shutdown and fire suppression.
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