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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Principles of Flight > In a conventional servo-tab elevator model, the elevator becomes mechanically jammed but the servo tab remains freely controllable. Considering only the tab’s direct aerodynamic force on the tail, what can happen?

230 - ATPL Question Bank in English - In a conventional servo-tab elevator model, the elevator becomes mechanically jammed but the servo tab remains freely controllable. Considering only the tab’s direct aerodynamic force on the tail, what can happen?

Question 230 - Principles of Flight - ATPL - Airline Transport Pilot Licence

The tab loses all aerodynamic effect as soon as the elevator jams.

Moving the servo tab automatically releases the elevator jam.

The pitch response can be opposite to the normal control sense.

The pitch-control force becomes exactly double its normal value at every airspeed.

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