Flight Performance and Planning - SPL - Sailplane Pilot License

Question 1

During a flight, a flight plan can be filed at the...

Accepted Answer

Flight Information Service (FIS).

Answer

Search and Rescue Service (SAR).

Answer

Next airport operator en-route.

Answer

Aeronautical Information Service (AIS)

Question 2

The empty weight and the corresponding center of gravity (CG) of an aircraft are initially determined...

Accepted Answer

By weighing.

Answer

By calculation.

Answer

For one aircraft of a type only, since all aircraft of the same type have the same mass and CG position

Answer

Through data provided by the aircraft manufacturer.

Question 3

Baggage and cargo must be properly stowed and fastened, otherwise a shift of the cargo may cause...

Accepted Answer

Uncontrollable attitudes, structural damage, risk of injuries.

Answer

Calculable instability if the C.G. is shifting by less than 10 %.

Answer

Continuous attitudes which can be corrected by the pilot using the flight controls.

Answer

Structural damage, angle of attack stability, velocity stability.

Question 4

The balance arm is the horizontal distance between...

Accepted Answer

The C.G. of a mass and the datum line.

Answer

The C.G. of a mass and the rear C.G. limit.

Answer

The front C.G. limit and the datum line

Answer

The front C.G. limit and the rear C.G. limit.

Question 5

The required data for a mass and balance calculation including masses and balance arms can be found in the...

Accepted Answer

Mass and balance section of the pilot's operating handbook of this particular aircraft.

Answer

Certificate of airworthiness

Answer

Performance section of the pilot's operating handbook of this particular aircraft.

Answer

Documentation of the annual inspection.

Question 6

The term "moment" with regard to a mass and balance calculation is referred to as...

Accepted Answer

Product of a mass and a balance arm.

Answer

Sum of a mass and a balance arm.

Answer

Difference of a mass and a balance arm.

Answer

Quotient of a mass and a balance arm.

Question 7

After getting around a turning point, what should a glider pilot be prepared for? (2,00 P.)

Accepted Answer

For a changed cloud picture due to the apparently changed position of the sun

Answer

For weakening thermals due to the progressing time

Answer

For a changed horizontal picture due to lower cloud bases

Answer

For increased cloud dissipation due to the progressing time

Question 8

The term "balance arm" in the context of a mass and balance calculation defines the...

Accepted Answer

Distance from the datum to the center of gravity of a mass.

Answer

Distance of a mass from the center of gravity

Answer

Point on the longitudinal axis of an aeroplane or its extension from which the centers of gravity of all masses are referenced.

Answer

Point through which the force of gravity is said to act on a mass.

Question 9

Which section of the flight manual describes the basic empty mass of an aircraft?

Accepted Answer

Weight and balance

Answer

Limitations

Answer

Normal procedures

Answer

Performance

Question 10

The distance between the center of gravity and the datum is called...

Accepted Answer

Balance arm.

Answer

Lever.

Answer

Torque.

Answer

Span width.

Quiz Flight Performance and Planning - SPL - Sailplane Pilot License

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