Practice Questions – Aircraft General Knowledge (H) | ICE Helicopters

What is the name for a tubular steel construction with a non self-supporting skin?

Grid construction
Monocoque construction
Honeycomb structure
Semi-monocoque construction.

The sandwich structure consists of two…

thick layers and a light core material.
thin layers and a heavy core material.
thick layers and a heavy core material.
thin layers and a light core material.

The load factor describes the relationship between…

drag and lift.
weight and thrust.
thrust and drag.
lift and weight.

Which are the advantages of sandwich structures?

High temperature durability and low weight
Good formability and high temperature durability
High strength and good formability
Low weight, high stiffness, high stability, and high strength

Which of the stated materials shows the highest strength?

Aluminium
Carbon fiber re-inforced plastic
Magnesium
Wood

What needs to be considered if permissible limitations were exceeded?

The helicopter must be inspected by the pilot in command and if no defect is found, no appropriate entry in the aircraft technical log is necessary
The helicopter must be inspected by at least two pilots licenced on the type, one of whom must be the pilot in command
The helicopter must be subjected to a duplicate inspected by two engineers
The helicopter must be inspected by a qualified engineer before the next flight

What might be the reason for scratches on the tail stinger?

Rotor blade contact
Intense erosion
Old colour
Contact with ground

What kind of hydraulic oil is used in aeroplane systems today?

Synthetic oil
Vegetable oil
Mineral oil
Bio-oil

The hydraulic pump of the control system is driven by the…

engine.
alternator.
main rotor gearbox.
additional aggregate.

What reduces wearout on a skid-shoe landing gear?

Angled landing skids
Blanked bend tubes
Hardened skid shoes
Flexible fittings

How can the pitch angle on a helicopter’s rotor blade be controlled?

By control rods
By cam rods
By electrical impulses
By electric motors

What is caused by the movement of the cyclic stick?

The trim panels are inclined and consequently a torque on the rotor blade is produced
The sliding sleeve is axially moved and thus changes the pitch angle of the rotor blades collectively
The lower scissors are twisted and consequently the pitch angle of the rotor blade is changed periodically
The swash plate is inclined and thus changes the pitch angle of the blades periodically

What happens to a helicopter during cruise when the cyclic stick is moved forward without other corrections?

The speed increases and the sink rate decreases
The speed increases and the sink rate increases
The speed decreases and the sink rate increases
The speed decreases and the sink rate decreases

The control mixing assembly…

ensures a constant pressure distribution in a hydraulic control system of a helicopter.
releases the sprag freewheel and prevents rotor blockage by the engine.
overlays periodic and collective control inputs for main rotor pitch angle change.
opens the throttle and increases engine performance if the collective is reduced.

A spider control…

changes the pitch angle of the rotor blades via an internal control rod.
prevents the overlay of collective and periodic control inputs on the main rotor.
changes the ignition timing of the magneto ignition during start-up.
feeds fuel by the rotational movement of pistons with various lengths.

The trim is used to…

lock control elements.
move the centre of gravity.
increase adverse yaw.
adapt the control force.

The correlator (for pitch compensation)…

opens the throttle when the collective is raised.
overlays periodic and collective control inputs from the pilot.
disables the engine via a spring-loaded resistance.
increases rotor RPM when the carburettor heat is turned on.

What has to be considered during refuelling?

Apply ground wires, turn on the main switch and magneto ignition
No open fires, obey smoking ban and apply grounding cables
Refuel through a soaked rag and keep a fire extinguisher available
Check the fuel content of the tank with a torch and remove fire protection

The primer is…

a nozzle in the Venturi tube of a carburettor for atomising the fuel.
an auxiliary pump in the fuel system to facilitate engine starting.
a mechanical switch in the cockpit to engage the turbocharger.
a valve in the fuel control system for automatic mixture regulation.

What is the purpose of the tank ventilation?

To prevent underpressure caused by fuel consumption
To distribute the fuel from one tank segment to the other during flight
To prevent fuel spillage during refueling on the filler plug
To prevent water disposal during parking

An aeroplane’s current supply is carried out by the: 1. Battery 2. Generator 3. Relay 4. Circuit breaker

1 and 2
2 and 3
1 and 4
3 and 4

What is the unit for voltage?

Ohm
Volt
Ampere
Watt

What is the unit for electrical power?

Watt
Volt
Ohm
Ampere

The voltmeter provides an indication of…

the electric current in a system in Ampére [A].
the electric potential difference (voltage) in Volt [V].
the electrical charge in Coulomb [C].
the electrical power output in Watt [W].

What is the reason for static dischargers on aircraft?

To discharge static charging during flight
To ensure grounding during refueling
To improve the quality of radio transmission in high altitudes
To eliminate electrical interferences during intensive radio traffic

What must be considered if the alternator fails in a helicopter?

Only high power consumers will fail
The engine runs roughly and is prone to knocking
All instruments and warning systems will fail
No change as long as the battery provides enough temporary power

When using direct current, electrically driven flight instruments are marked with…

"CO".
"AL".
"DC".
"EL".

What devices can be affected by a failure of the electrical system in a helicopter?

Radio equipment, navigation equipment and magnetic compass
Fuel quantity indication, radio equipment and altimeter
Airspeed indicator, altimeter and artificial horizon
Radio equipment, navigation equipment and gyros

What cylinder arrangement is common in helicopters with piston engines?

Radial engine
V-type engine
Boxer engine
Line engine

Which part of the cycle of a four-stroke Otto engine can be seen in the diagram? See figure (AGK-007)

Second stroke – compression
Third stroke – power
First stroke – induction
Fourth stroke – exhaust

Which part of the cycle of a four-stroke Otto engine can be seen in the diagram? See figure (AGK-008)

Second stroke – compression
First stroke – induction
Fourth stroke – exhaust
Third stroke – power

What is likely to be the cause if the engine runs unusually rough while checking the magnetos?

Starter is faulty
Sparking plug is defective
Ignition switch is faulty
Short circuit on the ground cable

The pilot wants to refuel the helicopter after a cold night early in the morning. What needs to be checked before starting the engine?

VHF communication for transmission
Fuel for water content and impurities
Carburettor heat for function
Left seat controls for damage and tight fit

The highest absorbtion of humidity in fuel can be observed in which situation?

During parking on wet grass areas
During parking on cold aprons
Almost empty tanks
Almost full tanks

Where does the condensation water converge in the tank?

Near the cap of the tank
At the lowest position
It is mixed with the fuel
It floats on the fuel

What does the octane rating or fuel grade describe?

Anti-knock rating
Ignition timing
Flame front speed
Combustion temperature

Which colour does Avgas 100 LL have?

Blue
Red
Green
Yellow

What is the major task of a carburettor?

To provide additional fuel to cool the engine
To produce an ignitable air/fuel mixture
To control the aircraft's speed through the throttle valve
To pump fuel from the tanks into the cylinder

During hover flight (HOGE – out of ground effect) with maximum power, how does the pilot compensate for a loss of power resulting from the use of carburettor heat?

Enrich the mixture
Turn on the electrical fuel pump
Adjust the height in a hover
Open the vents

In which phase of flight can the carburettor heating be switched off although carburettor ice buildup may be expected?

During climb
During cruise
During take-off
During taxi

In which outside air temperature is icing most likely?

Between -5° C and +20° C
Between -10° C and +10° C
Between -15° C and 0° C
Between -20° C and +5° C

What is the task of cooling fins on air-cooled engine cylinders?

Leading the airflow to parts designated to be cooled
Increasing the airflow thus improving cooling of cylinder parts
Quick heat transfer to the surrounding air flow by expanding the surface
Cooling of the cylinder surrounding airflow and forwarding to hotter engine parts

Cylinder head temperature indication relates to…

all Cylinders.
the average of all cylinders.
a random cylinder.
the critical cylinder.

What happens during oil filter clogging?

The oil circulation will end after 30 minutes so that a proper engine run will not be guaranteed
A bypass valve opens thus enabling the circulation to continue, debris will not be filtered
The oil circulation will end after 15 minutes so that a proper engine run will not be guaranteed
A bypass valve opens thus enabling the circulation to continue, debris will be filtered by an alternate filter

Which actions shall be taken if the engine oil pressure continuously drops to zero?

Check the mixture lever and enrich the mixture
Reduce engine performance and continue the flight to the destination
Land immediately on suitable terrain and be prepared for an autorotation
Monitor oil temperature and land at the nearest airfield

Piston engines of helicopters have…

two coupled ignition systems.
two independent ignition systems.
one magneto ignition system.
one electrical ignition system.

What is the most likely reason for the starter not turning when activated?

The ignition is short-circuited
The magnetos are defect
The alternator is defect
The rotor brake is engaged

How do you refer to fuel mixtures with a high amount of fuel?

Lean
Rich
Empty
Full

Why is leaning the fuel mixture without an EGT indicator very dangerous in helicopters?

The risk of engine stoppage exists
The risk of vapour lock in the reserve tank exists
The power output from the engine is growing rapidly
The electric fuel pump overheats

With increasing altitude and unchanged mixture setting, the air/fuel mixture…

becomes liquid.
becomes richer.
stays constant.
becomes more lean.

With increasing altitude, the power of a carburettor engine…

decreases.
remains constant.
increases.
first decreases, from 5000 ft on increases.

What is needed for a moisture-content test of JET-A1?

Clean refractometer
Special water indicator
Filled drain glass
Purified rags

What is the reason for a puddle of water below the helicopter after a flight in summer?

The windshield wiper fluid has leaked
Vapour bubbles from the fuel lines are condensed.
The air conditioning was used in flight
The helicopter was frozen at cruising altitude

The droop stop…

reduces the risk of rotor blade contact with the tail boom at low rotor RPM.
limits blade flapping and prevents rotor blade stall.
decreases the bending and tensional loads on the rotor blades in all flight conditions.
prevents the main rotor blades from getting in contact with the rotor mast at standstill.

Which rotor blade material enables the construction of hingeless rotor heads?

Timber
Titanium
Aluminium
Plastic

What allows the removal of drag hinges in semi-rigid rotor systems?

Additional cone hinges on the rotor head
Use of a gimbal ring with central flapping hinge
Geometric or aerodynamic twist of the rotor blades
Rotor blade attachment below the central flapping hinge

What is the advantage of a hingeless rotor?

Few components are necessary
Excellent blade tracking
Better lift distribution
Good autorotation characteristics

The advance angle is the angle between the…

circumferential control rod and rotor blade longitudinal axis.
advancing rotor blade and retreating rotor blade.
delta-three-flapping hinge and rotor blade longitudinal axis.
fixed control rod and lower scissors.

What kind of helicopter needs a tail rotor?

Single-rotor helicopter with shaft drive
Twin-rotor helicopter with counter-rotating main rotors
Single-rotor helicopter with blade drive
Twin-rotor autogyro with counter-rotating main rotors

What is the advantage of a pushing tail rotor over a pulling tail rotor?

Gain of thrust by Coanda and Magnus effect due to the airflow around the tail boom
Effective airflow of tail rotor blades by using the downwash
Self-compensating anti-torque operation by using the downwash
Less thrust loss by free outflow of the accelerated air mass

Why is the main rotor gearbox a limiting factor in most piston-driven helicopters?

The drive shaft in the gearbox is made of solid material and tends to break at high torques
The electronic monitoring of the gearbox reacts susceptible at high torques
The gear wheels will be displaced from each other at high torque and strain the gearbox bearings
The supply of oil pressure lubrication in the gearbox is constructed on average loads

The rotor brake should be engaged (provided that no other procedure is described in the flight manual)…

during all prescribed pre-flight checks on the ground.
for outside parking.
during start-up until reaching the prescribed rotor rpm.
for inside parking.

The connection between the main rotor mast and the main rotor head is…

welded.
screwed.
glued.
pressed.

The mast bearing on the upper gearbox output acts against…

torques.
contact pressure.
traction and bending forces.
torsions.

What is the purpose of a belt clutch in the drive system?

It prevents the mechanical blocking of the main rotor during autorotation
It allows the displacement of the ignition timing during start-up
It connects or disconnects the transmission from the engine to the main rotor gearbox
It prevents blade movements in gusty wind conditions by blocking the drive shaft

Why are all the connecting flanges of the main shaft designed flexible?

To compensate for thermal stresses and installation errors
To have a predetermined breaking point for engine damage
For the frictional connection to the main rotor gearbox
For the distribution of pressure and tensile forces

How can the belts of a belt clutch be tightened?

Increase of drive shaft distance
Increase of engine RPM
Approximation of two rotating plates
Extension of a pneumatic (air driven) cylinder

Where does a geometrically twisted rotor blade have its largest pitch angle?

Between rotor blade tips and rotor blade roots
Next to the rotor blade roots
Next to the rotor blade tips
contact pressure.

A steel or lead rotor blade spar…

is necessary for the connection to the main rotor head.
prevents high-frequency vibrations to the main rotor system.
improves the autorotation characteristics by increased inertia.
holds loads of the uniform lift distribution.

Which components do rotor blades made of wood contain?

Spar of wood, filling material of plastic, and outer skin of wood
Spar of metal, filling material of metal, and erosion protection of wood
Spar of wood, filling material of wood, and outer skin of plastic
Spar of metal, filling material of wood and erosion protection of metal

Which components do rotor blades made of metal contain?

Spar of titan, filling material of stainless steel, and outer skin of steel
Spar of steel, filling material of aluminum, and outer skin of aluminum
Spar of aluminum, filling material of titan, and outer skin of aluminum
Spar of lead, filling material of steel, and outer skin of stainless steel

Which components do rotor blades made of synthetic material contain?

Spar of stainless steel, filling material and outer skin and erosion protection of synthetic material
Spar of aluminum and synthetic material, filling material and outer skin and erosion protection of synthetic material
Spar of lead and synthetic material, filling material and outer skin of synthetic material, erosion protection of stainless steel
Spar of synthetic material, filling material and outer skin of synthetic material, erosion protection of aluminum

The rotor blades in a shrouded tail rotor can be arranged asymmetrically to…

utilize the Coanda effect.
reduce the noise emissions.
increase the generated thrust.
reduce the production costs.

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

Operational areas
Operational limits
Recommended areas
Caution areas

Which gauges involve a measurement of temperature?

Engine lubricant, engine cooling fluid, cylinder head, exhaust gas, outside air, cabin air
Engine lubricant, exhaust gas, outside air, cabin air, directional gyro
Engine lubricant, cylinder head, exhaust gas, suction, outside air, cabin air
Engine oil, cylinder head, exhaust gas, altimeter, airspeed indicator, vertical speed indicator

Fuel quantity in small aircraft is most commonly measured through a level sensor. The European Certification Specifications CS 23 require that…

a fuel quantity indicator must be available for each tank and the indicator must be calibrated to read "zero" during level flight when the quantity of fuel remaining in the tank is equal to the unusable fuel supply.
at least one fuel quantity indicator must be available to indicate the total amount of fuel abord an aircraft. This Indicator must be calibrated adequately to indicate the correct amount of fuel during all phases of flight.
if no fuel quantity indicator is available to the pilot in flight, the pilot must check the fuel quantity before commencing the flight and recalculate the remaining fuel on board in regular intervals during the flight.
if the fuel indicator fails, the pilot must land at the next available airport.

Which method of measurement is mostly used for the fuel supply indication on helicopters?

Capacitive measurement
Dipstick measurement
Flow measurement
Inductive measurement

Which actions shall be taken if the rotor RPM indicator fails during cruise flight?

Increase engine power and continue the flight to the nearest airfield
Perform an emergency landing on suitable terrain
Continue the flight as long as the engine RPM indicator works
Try to get back an indication by opening and closing the throttle

Which value can the pilot derive from the tachometer?

Airspeed of the helicopter
Engine performance and rotor performance
Crankshaft or main rotor revolutions per minute
Vertical speed of the helicopter

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

Airspeed indicator
Vertical speed indicator
Altimeter
Direct-reading compass

Which cockpit instruments are connected to the static port?

Airspeed indicator, direct-reading compass, slip indicator
Altimeter, slip indicator, navigational computer
Airspeed indicator, altimeter, direct-reading compass
Altimeter, vertical speed indicator, airspeed indicator

The term “static pressure” is defined as pressure…

sensed by the pitot tube.
resulting from orderly flow of air particles.
of undisturbed airflow.
inside the airplane cabin.

What does the dynamic pressure depend directly on?

Air pressure and air temperature
Lift- and drag coefficient
Air density and lift coefficient
Air density and airflow speed squared

The Pitot / static system is required to…

prevent icing of the Pitot tube.
prevent potential static buildup on the aircraft.
measure total and static air pressure.
correct the reading of the airspeed indicator to zero when the aircraft is static on the ground.

Which pressure is sensed by the Pitot tube?

Dynamic air pressure
Static air pressure
Total air pressure
Cabin air pressure

QFE is the…

barometric pressure at a reference datum, typically the runway threshold of an airfield.
magnetic bearing to a station.
barometric pressure adjusted to sea level, using the international standard atmosphere (ISA).
altitude above the reference pressure level 1013.25 hPa.

Which of the instruments listed below obtain their readings through pressure measurement?

Airspeed indicator, vertical speed indicator, altimeter, magnetic compass, oil pressure gauge, fuel pressure gauge
Oil pressure gauge, fuel pressure gauge, manifold pressure gauge, altimeter, vertical speed indicator, airspeed indicator, suction gauge
Airspeed indicator, vertical speed indicator, altimeter, directional gyro, turn and bank coordinator, oil pressure gauge, fuel pressure gauge
Oil pressure gauge, fuel pressure gauge, fuel quantity gauge, manifold pressure gauge, differential pressure gauge, altimeter

Which is the purpose of the altimeter subscale?

To reference the altimeter reading to a predetermined level such as mean sea level, aerodrome level or pressure level 1013.25 hPa
To correct the altimeter reading for system errors
To set the reference level for the altitude decoder of the transponder
To adjust the altimeter reading for non-standard temperature

In which way may an altimeter subscale which is set to an incorrect QNH lead to an incorrect altimeter reading?

If the subscale is set to a higher than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended
If the subscale is set to a lower than actual pressure, the indication is too high. This may lead to much closer proximity to the ground than intended
If the subscale is set to a lower than actual pressure, the indication is too low. This may lead to much closer proximity to the ground than intended
If the subscale is set to a higher than actual pressure, the indication is too low. This may lead to much greater heights above the ground than intended

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 less than before
Values depending on QNH
80 m more than before
Zero

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

Airfield elevation
Altitude above MSL
Height above airfield
Pressure altitude

Lower-than-standard temperature may lead to…

an altitude indication which is too low.
a correct altitude indication as long as the altimeter subscale is set to correct for non-standard temperature.
a blockage of the Pitot tube by ice, freezing the altimeter indication to its present value.
an altitude indication which is too high.

A flight level is a…

altitude above ground.
true altitude.
pressure altitude.
density altitude.

A true altitude is…

a height above ground level corrected for non-standard pressure.
a height above ground level corrected for non-standard temperature.
an altitude above mean sea level corrected for non-standard temperature.
a pressure altitude corrected for non-standard temperature.

During a flight in colder-than-ISA air the indicated altitude is…

lower than the true altitude.
equal to the standard altitude.
higher than the true altitude.
equal to the true altitude.

During a flight in an air mass with a temperature equal to ISA and the QNH set correctly, the indicated altitude is…

higher than the true altitude.
equal to the standard atmosphere.
lower than the true altitude.
equal to the true altitude.

Which instrument can be affected by the hysteresis error?

Vertical speed indicator
Altimeter
Tachometer
Direct reading compass

The measurement of altitude is based on the change of the…

dynamic pressure.
static pressure.
total pressure.
differential pressure.

When is it necessary to adjust the pressure in the reference scale of an alitimeter?

After maintance has been finished
Before every flight and during cross country flights
Every day before the first flight
Once a month before flight operation

Which of the following options states the working principle of a vertical speed indicator?

Measuring the present static air pressure and comparing it to the static air pressure inside a reservoir
Measuring the vertical acceleration through the displacement of a gimbal-mounted mass
Static air pressure is measured and compared against a vacuum
Total air pressure is measured and compared to static pressure

The vertical speed indicator measures the difference of pressure between…

the present static pressure and the static pressure of a previous moment.
the present dynamic pressure and the dynamic pressure of a previous moment.
the present dynamic pressure and the static pressure of a previous moment.
the present total pressure and the total pressure of a previous moment.

A vertical speed indicator measures the difference between…

dynamic pressure and total pressure.
instantaneous static pressure and previous static pressure.
total pressure and static pressure.
instantaneous total pressure and previous total pressure.

At higher altitudes, true airspeed (TAS) tends to be higher than calibrated airspeed (CAS). A rough estimate of the TAS can be obtained by…

adding 2 % of the CAS for every 1000 ft altitude.
subtracting 2 % of the CAS for every 1000 ft altitude.
adding 10 % of the CAS for every 1000 ft altitude.
subtracting 10 % of the CAS for every 1000 m altitude.

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?

130 kt
70 kt
100 kt
30 kt

Which of the following factors could cause an erroneous airspeed indication?

The earth wire is still attached
The helicopter is covered with adhesive tape
A circuit breaker was pulled
The boost pressure line is defective

Which of the following states the working principle of an airspeed indicator?

Total air pressure is measured by the static ports and converted into a speed indication by the airspeed indicator
Static air pressure is measured and compared against a vacuum.
Total air pressure is measured and compared against static air pressure.
Dynamic air pressure is measured by the Pitot tube and converted into a speed indication by the airspeed indicator

Calibrated airspeed (CAS) equals…

true airspeed (TAS) corrected for wind.
indicated airspeed (IAS) corrected for instrument and position error.
ground speed (GS) corrected for instrument and position error.
equivalent airspeed (EAS) corrected for altitude.

What is necessary for the determination of speed (IAS) by the airspeed indicator?

The difference between the dynamic pressure and the static pressure ;
The difference betweeen the total pressure and the static presssure
The difference between the total pressure and the dynamic pressure
The difference between the standard pressure and the total pressure

The airspeed indicator is unservicable. The airplane may only be operated…

when the airspeed indicator is fully functional again.
if only airfield patterns are flown.
when a GPS with speed indication is used during flight.
if no maintenance organisation is around.

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

Speed which must not be exceeded within bumpy air
Speed which must not be exceeded in turns with more than 45° bank
Speed which must not be exceeded with flaps extended
Speed which must not be exceeded regardless of circumstances

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

White
Red
Green
Yellow

The term “inclination” is defined as…

angle between magnetic and true north.
deviation induced by electrical fields.
angle between earth's magnetic field lines and horizontal plane.
angle between airplane's longitudinal axis and true north.

The compass error caused by the aircraft’s magnetic field is called…

variation.
inclination.
declination.
deviation.

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

Deviation, turning and acceleration errors
Inclination and declination of the earth's magnetic field
Variation, turning and acceleration errors
Gravity and magnetism

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

360°
030°
270°
330°

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?

270°
300°
360°
240°

An aircraft in the northern hemisphere intends to turn on the shortest way from a heading of 030° to a heading of 180°. At approximately which indicated magnetic heading should the turn be terminated?

360°.
180°.
210°.
150°.

What is a cause for the dip error on the direct-reading compass?

Deviation in the cockpit
Acceleration of the airplane
Inclination of earth's magnetic field lines
Temperature variations

What behaviour is shown by a rotating gyro in space?

It tends to maintain its position in space
It swings from east to west like a pendulum
It moves in accordance with the body surrounding it
It moves in circles with a stadily decreasing radius

A gyro which is rotating in space responds to forces being applied to it by an evasive movement…

at an angle of 45° to the force being applied.
at an angle of 90° to the force being applied.
at an angle of 180° to the force being applied.
in a northern direction.

The bank angle of a 2-minute circle depends on the…

IAS.
TAS.
CAS.
Ground speed.

A turn and bank (or turn and slip) coordinator provides information regarding…

the coordination of the turn and slip angle.
the rate of turn and bank angle of the aircraft.
the pitch and bank angle of the aircraft.
the rate of turn and coordination, i.e. slip or skid, of the turn.

What does the slip indicator show?

Apparent vertical
Rate of turn
Vertical to horizon
Airplane's bank

The slip indicator’s ball (apparent vertical) has moved to the right during a right turn. By what actions may the ball led back to middle position?

Reduce rate of turn, reduce bank
Reduce bank, increase rate of turn
Reduce speed, increase bank
Increase bank, increase rate of turn

Which warning light colour advises the pilot to the condition “corrective action may be required in the future”?

Red
Green
Blue
Amber (orange)

An attitude director indicator (ADI) combines the information provided by…

the directional gyro and the rate gyro.
the attitude indicator and the flight director.
the attitude indicator and the radio magnetic indicator.
the attitude indicator and the relative bearing indicator.

What does the abbreviation HSI stand for?

Hybernating System Indication
Horrifying Steep Inclination
Horizontal Situation Indicator
Horizontal Slip Indicator

A horizontal situation indicator (HSI) combines the information provided by…

the attitude indicator and the flight director.
the rate gyro and the slip indicator.
the directional gyro and the flight director.
the directional gyro and the VHF navigation receiver.

Which system supply input to the vertical speed indicator (VSI)?

The altimeter
The static system
The static system and Pilot tube
The pitot tube

Practice Questions – Aircraft General Knowledge (H)

Practice Questions – Aircraft General Knowledge (H)

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