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Langue	English
Catégorie	Technique
Niveau	Université
Crée / Actualisé	01.02.2025 / 03.05.2025
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The airspeed indicator is unserviceable. The airplane may only be operated...

when the airspeed indicator is fully functional again.

if no maintenance organization is around.

when a GPS with speed indication is used during flight.

if only airfield patterns are flown.

when the airspeed indicator is fully functional again.

if no maintenance organization is around.

when a GPS with speed indication is used during flight.

if only airfield patterns are flown.

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

80 m more than before

Zero

Values depending on QNH

80 m less than before

80 m more than before

Zero

Values depending on QNH

80 m less than before

The altimeter's reference scale is set to airfield pressure (QFE). What indication is shown during the flight?

Altitude above MSL

Height above airfield

Pressure altitude

Airfield elevation

Altitude above MSL

Height above airfield

Pressure altitude

Airfield elevation

A vertical speed indicator measures the difference between...

dynamic pressure and total pressure.

instantaneous total pressure and previous total pressure.

total pressure and static pressure.

instantaneous static pressure and previous static pressure.

dynamic pressure and total pressure.

instantaneous total pressure and previous total pressure.

total pressure and static pressure.

instantaneous static pressure and previous static pressure.

The term "inclination" is defined as...

angle between magnetic and true north.

angle between airplane's longitudinal axis and true north.

deviation induced by electrical fields.

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

angle between magnetic and true north.

angle between airplane's longitudinal axis and true north.

deviation induced by electrical fields.

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

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

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

More bank, more rudder in turn direction

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

More bank, more rudder in turn direction

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

More bank, more rudder in turn direction

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

More bank, more rudder in turn direction

More bank, less rudder in turn direction

Less bank, more rudder in turn direction

Less bank, less rudder in turn direction

What kind of defect results in loss of airworthiness of an airplane?

Scratch on the outer painting

Crack in the cabin hood plastic

Dirty wing leading edge

Damage to load-bearing parts

Scratch on the outer painting

Crack in the cabin hood plastic

Dirty wing leading edge

Damage to load-bearing parts

The mass loaded on the plane is lower than the minimum load required by the load sheet. What action has to be taken?

Load ballast weight up to minimum load

Change incident angle of elevator

Trim aircraft to "pitch down"

Change pilot seat position

Load ballast weight up to minimum load

Change incident angle of elevator

Trim aircraft to "pitch down"

Change pilot seat position

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

40%

100%

18%

200%

40%

100%

18%

200%

With decreasing air density the airflow speed increases at stall speed (TAS) and vice versa. How has a final approach to be conducted on a hot summer day?

With unchanged speed indication (IAS)

With additional speed according POH

With decreased speed indication (IAS)

With increased speed indication (IAS)

With unchanged speed indication (IAS)

With additional speed according POH

With decreased speed indication (IAS)

With increased speed indication (IAS)

What is the purpose of winglets?

Increase of lift and turning maneuvering capabilities.

Increase gliding performance at high speed.

Reduction of induced drag.

To increase efficiency of aspect ratio.

Increase of lift and turning maneuvering capabilities.

Increase gliding performance at high speed.

Reduction of induced drag.

To increase efficiency of aspect ratio.

What engines are commonly used with Touring Motor Gliders (TMG)?

2 Cylinder Diesel

2 plate Wankel

4 Cylinder; 4 stroke

4 Cylinder 2 stroke

2 Cylinder Diesel

2 plate Wankel

4 Cylinder; 4 stroke

4 Cylinder 2 stroke

Airspeed indicator, altimeter and vertical speed indicator all show incorrect indications at the same time. What error can be the cause?

Blocking of pitot tube.

Failure of the electrical system.

Leakage in compensation vessel.

Blocking of static pressure lines.

Blocking of pitot tube.

Failure of the electrical system.

Leakage in compensation vessel.

Blocking of static pressure lines.

Information about maximum allowed airspeeds can be found where?

POH and posting in briefing room

POH, Cockpit panel, airspeed indicator

airspeed indicator, cockpit panel and AIP part ENR

POH, approach chart, vertical speed indicator

POH and posting in briefing room

POH, Cockpit panel, airspeed indicator

airspeed indicator, cockpit panel and AIP part ENR

POH, approach chart, vertical speed indicator

The load factor "n" describes the relationship between...

thrust and drag.

lift and weight.

weight and thrust.

drag and lift.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

thrust and drag.

lift and weight.

weight and thrust.

drag and lift.

The fuselage structure may be damaged by...

airspeed decreasing below a certain value.

stall after exceeding the maximum angle of attack.

exceeding the manoeuvering speed in heavy gusts.

neutralizing stick forces according to actual flight state.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

airspeed decreasing below a certain value.

stall after exceeding the maximum angle of attack.

exceeding the manoeuvering speed in heavy gusts.

neutralizing stick forces according to actual flight state.

What kind of defect results in loss of airworthiness of an airplane?

Dirty wing leading edge

Crack in the cabin hood plastic

Damage to load-bearing parts

Scratch on the outer painting

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Dirty wing leading edge

Crack in the cabin hood plastic

Damage to load-bearing parts

Scratch on the outer painting

The thickness of the wing is defined as the distance between the lower and the upper side of the wing at the...

thinnest part of the wing.

thickest part of the wing.

most outer part of the wing.

most inner part of the wing.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

thinnest part of the wing.

thickest part of the wing.

most outer part of the wing.

most inner part of the wing.

Which are the advantages of sandwich structures?

Low weight, high stiffness, high stability, and high strength

High strength and good formability

High temperature durability and low weight

Good formability and high temperature durability

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Low weight, high stiffness, high stability, and high strength

High strength and good formability

High temperature durability and low weight

Good formability and high temperature durability

What is a tubular steel construction with a non self-supporting skin referred to as?

Honeycomb structure

Monocoque construction

Semi-monocoque construction.

Grid construction

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Honeycomb structure

Monocoque construction

Semi-monocoque construction.

Grid construction

The sandwich structure consists of two...

thick layers and a heavy core material.

thick layers and a light core material.

thin layers and a light core material.

thin layers and a heavy core material.

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

thick layers and a heavy core material.

thick layers and a light core material.

thin layers and a light core material.

thin layers and a heavy core material.

What are the major components of an aircraft's tail?

Horizontal tail and vertical tail

Rudder and ailerons

Steering wheel and pedals

Ailerons and elevator

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Horizontal tail and vertical tail

Rudder and ailerons

Steering wheel and pedals

Ailerons and elevator

Which constructional elements give the wing its profile shape?

Spar

Planking

Tip

Ribs

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Spar

Planking

Tip

Ribs

Which of the stated materials shows the highest strength?

Aluminium

Wood

Magnesium

Carbon fiber re-inforced plastic

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Aluminium

Wood

Magnesium

Carbon fiber re-inforced plastic

A construction made of frames and stringer with a supporting skin is called...

Semi-monocoque construction.

Wood- or mixed construction.

Grid construction.

Honeycomb structure.

Semi-monocoque construction.

Wood- or mixed construction.

Grid construction.

Honeycomb structure.

Primary fuselage structures of wood or metal planes are usually made up by what components?

Frames and stringer

Girders, ribs and stringers

Ribs, frames and covers

Covers, stringers and forming parts

Frames and stringer

Girders, ribs and stringers

Ribs, frames and covers

Covers, stringers and forming parts

A movement around the longitudinal axis is primarily initiated by the...

rudder.

ailerons.

trim tab.

elevator.

rudder.

ailerons.

trim tab.

elevator.

What are the primary and the secondary effects of a rudder input to the left?

Primary: yaw to the right Secondary: roll to the right

Primary: yaw to the right Secondary: roll to the left

Primary: yaw to the left Secondary: roll to the right

Primary: yaw to the left Secondary: roll to the left

Primary: yaw to the right Secondary: roll to the right

Primary: yaw to the right Secondary: roll to the left

Primary: yaw to the left Secondary: roll to the right

Primary: yaw to the left Secondary: roll to the left

What is the effect of pulling the control yoke or stick backwards?

The aircraft's tail will produce an decreased upward force, causing the aircraft's nose to drop

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased upward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to drop

The aircraft's tail will produce an decreased upward force, causing the aircraft's nose to drop

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased upward force, causing the aircraft's nose to rise

The aircraft's tail will produce an increased downward force, causing the aircraft's nose to drop

SPL - Aircraft General Knowledge

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