Exam quiz Flight Performance and Planning - SPL - Sailplane Pilot License

Question 1

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 2

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 3

The total weight of an aeroplane is acting vertically through the...

Accepted Answer

Center of gravity

Answer

Stagnation point

Answer

Center of pressure

Answer

Neutral point

Question 4

The center of gravity (CG) defines...

Accepted Answer

The point through which the force of gravity is said to act on a mass

Answer

The point on the longitudinal axis or its extension from which the centers of gravity of all masses are referenced

Answer

The distance from the datum to the position of a mass

Answer

The product of mass and balance arm

Question 5

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 6

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 7

The angle of descent is defined as...

Accepted Answer

The angle between a horizontal plane and the actual flight path, expressed in degrees [°]

Answer

The ratio between the change in height and the horizontal distance travelled within the same time, expressed in percent [%]

Answer

The angle between a horizontal plane and the actual flight path, expressed in percent [%]

Answer

The ratio between the change in height and the horizontal distance travelled within the same time, expressed in degrees [°]

Question 8

The center of gravity has to be located...

Accepted Answer

Between the front and the rear C.G. limit

Answer

Behind the rear C.G. limit

Answer

In front of the front C.G. limit

Answer

Right of the lateral C.G. limit

Question 9

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 10

Up to which altitude is an overflight prohibited according to the NOTAM? See figure (PFP-024)

Accepted Answer

Altitude 9500 ft MSL

Answer

Flight Level 95

Answer

Altitude 9500 m MSL

Answer

Height 9500 ft

Question 11

During a cross-country flight, you approach a downwind turning point. The point should be taken...

Accepted Answer

As high as possible

Answer

As low as possible

Answer

As steep as possible

Answer

With as little bank as possible

Question 12

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

Accepted Answer

Balance arm

Answer

Lever

Answer

Torque

Answer

Span width

Question 13

Unless the aircraft is equipped and certified accordingly...

Accepted Answer

Flight into known or forecast icing conditions is prohibited. Should the aircraft enter an area of icing conditions inadvertently, it should be left without delay

Answer

Flight into forecast icing conditions is prohibited. Should the aircraft enter an area of icing conditions inadvertently, the flight may be continued as long as visual meteorological conditions are maintained

Answer

Flight into known or forecast icing conditions is only allowed as long as it is ensured that the aircraft can still be operated without performance degradation

Answer

Flight into areas of precipitation is prohibited

Question 14

An aircraft must be loaded and operated in such a way that the center of gravity (CG) stays within the approved limits during all phases of flight. This is done to ensure...

Accepted Answer

Both stability and controllability of the aircraft

Answer

That the aircraft does not exceed the maximum permissible airspeed during a descent

Answer

That the aircraft does not tip over on its tail while it is being loaded

Answer

That the aircraft does not stall

Question 15

Exceeding the maximum allowed aircraft mass is...

Accepted Answer

Not permissible and essentially dangerous

Answer

Compensated by the pilot's control inputs

Answer

Only relevant if the excess is more than 10 %

Answer

Exceptionally permissible to avoid delays

Question 16

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 17

The upper limit of LO R 16 equals... See annex (PFP-056)

Accepted Answer

1 500 ft MSL

Answer

1.500 ft GND

Answer

1 500 m MSL

Answer

FL150

Question 18

(For this question, please use annex PFP-061) According to ICAO, what symbol indicates a group of unlighted obstacles?

Accepted Answer

C

Answer

B

Answer

D

Answer

A

Question 19

While planning a cross country gliding flight, what ground structure should be avoided en route?

Accepted Answer

Moist ground, water areas, marsh areas

Answer

Stone quarries and large sand areas

Answer

Highways, railroad tracks and channels

Answer

Areas with buildings, concrete and asphalt

Question 20

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 21

(For this question, please use annex PFP-062) According to ICAO, what symbol indicates a civil airport (not international airport) with paved runway?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 22

Which factor shortens landing distance?

Accepted Answer

Strong head wind

Answer

Heavy rain

Answer

High pressure altitude

Answer

High density altitude

Question 23

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 24

After getting around a turning point, what should a glider pilot be prepared for?

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 25

The upper limit of LO R 4 equals... See annex (PFP-030)

Accepted Answer

4.500 ft MSL

Answer

1.500 ft AGL

Answer

1.500 ft AGL

Answer

1.500 ft MSL

Question 26

What is the purpose of "interception lines" in visual navigation?

Accepted Answer

They are used as easily recognizable guidance upon a possible loss of orientation

Answer

They help to continue the flight when flight visibility drops below VFR minima

Answer

To mark the next available en-route airport during the flight

Answer

To visualize the range limitation from the departure aerodrome

Question 27

What must be considered for cross-border flights?

Accepted Answer

Requires flight plans

Answer

Transmission of hazard reports

Answer

Regular location messages

Answer

Approved exceptions

Question 28

The term "center of gravity" is defined as...

Accepted Answer

The point at which the total mass of the aeroplane is considered to act

Answer

The heaviest point on an aeroplane

Answer

Half the distance between the neutral point and the datum line

Answer

Another designation for the neutral point

Question 29

What distance can be covered during a glide in a glider plane with glide ratio 1/30 from a height of 1500 m? (Neglect wind and thermal effects)

Accepted Answer

45 km

Answer

30 km

Answer

45 NM

Answer

81 NM

Question 30

(For this question, please use annex PFP-063) According to ICAO, what symbol indicates a general spot elevation?

Accepted Answer

C

Answer

D

Answer

B

Answer

A

Exam simulation Flight Performance and Planning SPL - Sailplane Pilot License

Exam simulation SPL Flight Performance and Planning 120 questions on 120 minutes