What is Unreliable Airspeed?
Unreliable Airspeed A condition where the airspeed readings provided by the pitot-static system are incorrect or inconsistent, potentially leading to hazardous flight control inputs.
Source: ICAO Doc 9432, FAA PCG
How is “Unreliable Airspeed” Used in Practice?
We are declaring a PAN due to unreliable airspeed indications and switching to pitch and power settings.
Certification Exam Relevance
Who Needs to Know This Term?
- Pilots
- Air Traffic Controllers
- Cabin Crew
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What is Unreliable Airspeed?
A condition where the airspeed readings provided by the pitot-static system are incorrect or inconsistent, potentially leading to hazardous flight control inputs.
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