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Aviation > What is an Aircraft? > Flashcards

What is an Aircraft? Flashcards

1
Q

What is air?

A

Air is a mixture of gases, mostly nitrogen and oxygen.

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2
Q

How is thrust produced?

A

Thurst is the reaction to propelling air rearwards.

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3
Q

What is produced as a result of a physical action?

A

An equal and opposite reaction.

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4
Q

Which foot is moved forward to turn the aircraft to the left on the ground?

A

The left foot.

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5
Q

What is one advantage of having a high-wing configuration?

A

Clears fences, easier to load, better downward view.

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6
Q

What is a disadvantage of tail wheel undercarriage?

A

Directional control - especially in a crosswind.

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7
Q

An undercarriage that folds up is called a ….. undercarriage?

A

Retractable.

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8
Q

What is the name of the smoothly shaped panels that cover the engine?

A

Cowls.

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9
Q

The path of the aircraft through the air is called its…..

A

Flight path.

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10
Q

The pressure above the wing is ….. than below.

A

Less or reduced compared to he pressure beneath the wing and the local static pressure.

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11
Q

The angle of the wing to airflow is called the angle of …..

A

Angle of attack.

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12
Q

Which part of the aircraft is the fuselage?

A

The fuelsage is the primary structure joining the wings, engine and tail assemblies and which contains the passengers, crew and cargo.

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13
Q

What is the name of the fixed vertical surface that is attached to the rear of the fuelsage?

A

The fin.

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14
Q

The picture that the pilot see through the windscreen is called the …..

A

Attitude (pitch and roll or bank).

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15
Q

Specifically, this picture is a measure of the position of the nose or the bottom edge of the windscreen in relation to the …..

A

Horizon.

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16
Q

What causes the aircraft to turn?

A

By banking the aircraft a sideways component of lift is used to turn.

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17
Q

Why do ailerons move in opposite directions?

A

To roll one wing up and the other down - simultaneously.

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18
Q

Why don’t flap also move in opposite directions?

A

They are not control surfaces - they increase the curvature of the wing so increase lift.

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19
Q

What are they for?

A

To increase lift for takeoff and to increase both lift and drag for approach and landing.

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20
Q

Which way does the nose move when the control column is pressed forwards?

A

Down or away from the pilot.

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21
Q

What if the aircraft is upside down?

A

It works in the same sense relative to the pilot.

22
Q

What do you say when you wish to hand over control of the aircraft to the instructor?

A

“You have control”.

23
Q

What is a knot?

A

One knot is a speed of one nautical mile per hour.

24
Q

Name the six primary flight instruments.

A

Airspeed indicator, attitude indicator, altimeter, vertical speed indicator, heading indicator and turn coordinator with ball balance.

25
Q

The angle of attack is measured between the chord line of the wing and the …..

A

Relative airflow.

26
Q

There are two elements to this picture: ….. and …..

A

Pitch and bank. How far the nose is above or below the horizon and whether the coaming is parallel to the horizon or at the desired angle.

27
Q

Thrust is caused by converting the heat from burning the fuel to compression of the pistons in the engine which turns the ….. which then pushes the ….. rearwards.

A

Propeller, air.

28
Q

The total force produced as a result of the aerofoil moving through the air is called the …..

A

Total reaction.

29
Q

This force has two components called ….. and …..

A

Lift and induced drag.

30
Q

Name three things that determine the total reaction?

A

Airspeed, angle of attack and camber.

31
Q

What sort of drag is the essential penalty of producing lift?

A

Induced drag.

32
Q

What is downwash?

A

The downward movement imparted to the air after the passage of the wing.

33
Q

What is stability?

A

The tendency of the aircraft to continue or return to its trimmed state and flightpath.

34
Q

What is name of the balance point of an aircraft?

A

Centre of gravity.

35
Q

Can an aircraft have to much stability?

A

Yes. The increased stability reduces the degree of control response.

36
Q

What is the name of the control surfaces that determine the angle of attack of the wing?

A

Elevator.

37
Q

Attitude, together with the power from the engine, determines the ….. of the aircraft.

A

Flightpath.

38
Q

To cause a turn, a force is required to change the direction of flight. How is this force produced.

A

By tilting the total reaction from the wing.

39
Q

The very front of the wing is called the …..

A

The leading edge.

40
Q

The rear of the wing is called the …..

A

Trailing edge.

41
Q

….. and ….. together control the flightpath of the aircraft.

A

Attitude and power determine the sustained flightpath of the aircraft.

42
Q

What is shown on the turn indicator?

A

Rate of turn and balance by the balance ball.

43
Q

What is magnetic heading?

A

The direction that the aircraft is pointing in relation to magnetic north.

44
Q

What is a foot?

A

A unit of distance used for attitude. A foot foot is approximately 30 cm.

45
Q

Why is the sign “2 MIN TURN” shown on the turn indicator?

A

It indicates that a rate one produces a 360 degree turn making 2 minutes.

46
Q

Which rudder pedal is depressed to centre the balance ball when it is to the right?

A

The right hand pedal is depressed.

47
Q

Why is airspeed to be the most important piece of information a pilot needs.

A

It indicates not only speed through the air but it is also an indirect indication of angle of attack in straight and level flight. Low airspeed equals increased angle of attack; minimum airspeed equals stalling angle of attack.

48
Q

What is the name of the lever that controls the power of the engine?

A

The throttle.

49
Q

What is it meant by navaids?

A

Radio/electronic aids to navigation.

50
Q

The point at the very front of the aircraft is called the …..

A

The nose.

51
Q

What is it meant by a component of lift?

A

The part of the total force that is acting in the particular direction.

Aviation (3 decks)

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