Part66EASA Module11A.3.3.Airframe Structures - Aeroplanes-Stabilisers(ATA 55)

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Syllabus:11.3.3 Stabilisers (ATA 55) Construction; Control surface attachment.

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The web of an 'I' beam takes mainly which type of load?.
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1 point

Option A. Shear.

Option B. Tension.

Option C. Bending.

The term 'empennage' incorporates.
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Option A. rudder, ailerons, spoilers.

Option B. elevators, stabiliser, ailerons.

Option C. elevators, stabiliser, rudder.

The four main structural items making up a horizontal stabiliser are.
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Option A. spar, rib, bulkheads, skin panels.

Option B. spar, rib, stringers, skin panels.

Option C. spar, rib, longerons, skin panels.

To correct for nose heaviness on an aircraft fitted with a variable incidence tailplane, the incidence of
the tailplane would be.
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Option A. decreased, which is done by lowering the leading edge.

Option B. decreased, which is done by lowering the trailing edge.

Option C. increased, which is done by lowering the leading edge.

An upward elevator deflection on the reverse camber tailplane.
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Option A. may increase or decrease download depending upon the aircraft C of G position.

Option B. will decrease tailplane download.

Option C. will increase tailplane download.

Variable incidence tailplanes.
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Option A. move rapidly when trimming the aircraft during climb.

Option B. out and landing approach and slowly during cruise always move slowly.

Option C. move rapidly when trimming the aircraft during the landing approach and slowly at all other times.

The direction of travel of an electrically operated variable incidence tailplane is determined by.
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Option A. a gearbox.

Option B. solenoid operated clutches.

Option C. direction of rotation of the electric motor.

On an aircraft with a variable incidence trimming tailplane, the tailplane incidence changes.
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Option A. if the control column is moved back or forward.

Option B. automatically if the elevator moves.

Option C. if the trim wheel is turned back or forward.

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