What is Beacon on?
Beacon on Indicates that the aircraft's anti-collision beacon lights have been switched on, typically prior to engine start, signaling that engines may be running or about to start.
Source: ICAO Doc 9432, FAA PCG
How is “Beacon on” Used in Practice?
Tower, beacon is on and ready for pushback. Requesting clearance.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is Beacon on?
Indicates that the aircraft's anti-collision beacon lights have been switched on, typically prior to engine start, signaling that engines may be running or about to start.
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