Aircraft General Knowledge - SPL - Sailplane Pilot License

Question 1

An aircraft cruises on a heading of 180° with a true airspeed of 100 kt. The wind comes from 180° with 30 kt. Neglecting instrument and position errors, which will be the approximate reading of the airspeed indicator?

Accepted Answer

100 kt

Answer

130 kt

Answer

30 kt

Answer

70 kt

Question 2

A glider's trim lever is used to...

Accepted Answer

Reduce stick force on the elevator.

Answer

Reduce stick force on the ailerons.

Answer

Reduce stick force on the rudder.

Answer

Reduce the adverse yaw.

Question 3

What does the dynamic pressure depend directly on?

Accepted Answer

Air density and airflow speed squared

Answer

Lift- and drag coefficient

Answer

Air density and lift coefficient

Answer

Air pressure and air temperature

Question 4

What is the meaning of the red range on the airspeed indicator?

Accepted Answer

Speed which must not be exceeded regardless of circumstances

Answer

Speed which must not be exceeded within bumpy air

Answer

Speed which must not be exceeded with flaps extended

Answer

Speed which must not be exceeded in turns with more than 45° bank

Question 5

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 360° to a heading of 270°. At approximately which indication of the magnetic compass should the turn be terminated?

Accepted Answer

270°

Answer

360°

Answer

240°

Answer

300°

Question 6

The Caution Area is marked on an airspeed indicator by what color?

Accepted Answer

Yellow

Answer

Red

Answer

Green

Answer

White

Question 7

What difference in altitude is shown by an altimeter, if the reference pressure scale setting is changed from 1000 hPa to 1010 hPa?

Accepted Answer

80 m more than before

Answer

Zero

Answer

80 m less than before

Answer

Values depending on QNH

Question 8

The term "inclination" is defined as...

Accepted Answer

Angle between earth's magnetic field lines and horizontal plane.

Answer

Deviation induced by electrical fields.

Answer

Angle between magnetic and true north

Answer

Angle between airplane's longitudinal axis and true north.

Question 9

Which of the stated materials shows the highest strength?

Accepted Answer

Carbon fiber re-inforced plastic

Answer

Magnesium

Answer

Aluminium

Answer

Wood

Question 10

What values are usually marked with a red line on instrument displays?

Accepted Answer

Operational limits

Answer

Caution areas

Answer

Operational areas

Answer

Recommended areas

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