Aircraft General Knowledge - SPL - Sailplane Pilot License

Question 1

Which of the mentioned cockpit instruments is connected to the pitot tube?

Accepted Answer

Airspeed indicator

Answer

Direct-reading compass

Answer

Altimeter

Answer

Vertical speed indicator

Question 2

What is the meaning of the yellow arc on the airspeed indicator?

Accepted Answer

Flight only in calm weather with no gusts to avoid overload

Answer

Cautious use of flaps or brakes to avoid overload

Answer

Speed for best glide can be found in this area

Answer

Optimum speed while being towed behind aircraft

Question 3

During a left turn, the yaw string is drawn to the left from centre position. By what rudder input can the string be centreed again?

Accepted Answer

More bank, less rudder in turn direction

Answer

Less bank, more rudder in turn direction

Answer

Less bank, less rudder in turn direction

Answer

More bank, more rudder in turn direction

Question 4

About how many axes does an aircraft move and how are these axes called?

Accepted Answer

3; vertical axis, lateral axis, longitudinal axis

Answer

4; vertical axis, lateral axis, longitudinal axis, axis of speed

Answer

3; x-axis, y-axis, z-axis

Answer

4; optical axis, imaginary axis, sagged axis, axis of evil

Question 5

The vertical speed indicator measures the difference of pressure between...

Accepted Answer

The present static pressure and the static pressure of a previous moment

Answer

The present dynamic pressure and the dynamic pressure of a previous moment

Answer

The present total pressure and the total pressure of a previous moment

Answer

The present dynamic pressure and the static pressure of a previous moment

Question 6

Water ballast increases wing load by 40%. By what percentage does the minimum speed of the glider plane increase?

Accepted Answer

18%

Answer

100%

Answer

40%

Answer

200%

Question 7

Which instrument can be affected by the hysteresis error?

Accepted Answer

Altimeter

Answer

Direct reading compass

Answer

Tachometer

Answer

Vertical speed indicator

Question 8

The indication of a magnetic compass deviates from magnetic north direction due to what errors?

Accepted Answer

Deviation, turning and acceleration errors

Answer

Inclination and declination of the earth's magnetic field

Answer

Gravity and magnetism

Answer

Variation, turning and acceleration errors

Question 9

QFE is the...

Accepted Answer

Barometric pressure at a reference datum, typically the runway threshold of an airfield

Answer

Altitude above the reference pressure level 1013.25 hPa

Answer

Magnetic bearing to a station

Answer

Barometric pressure adjusted to sea level, using the international standard atmosphere (ISA)

Question 10

An energy-compensated vertical speed indicator (VSI) shows during stationary glide the vertical speed...

Accepted Answer

Of the airmass flown through

Answer

Of the glider through surrounding air

Answer

Of the glider plus movement of the air

Answer

Of the glider minus movement of the air

Exam questions Aircraft General Knowledge - SPL - Sailplane Pilot License

SPL - Sailplane Pilot License: Aircraft General Knowledge 10 Questions no time limit

Exam questions Aircraft General Knowledge - SPL - Sailplane Pilot License

SPL - Sailplane Pilot License: Aircraft General Knowledge 10 Questions no time limit

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