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Phase 1 EAWS > Block 14 - Fundamentals of Flight > Flashcards

Block 14 - Fundamentals of Flight Flashcards

1
Q

What is motion?

A

Movement

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2
Q

What are the 3 types of motion?

A
  • Linear
  • Angular
  • General
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3
Q

Define Linear motion

A

When something moves in a straight line

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4
Q

Define Angular motion

A

When something moves in a circle about a point or axis of rotation

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5
Q

Define General motion

A

Combination of Linear and Angular motion

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6
Q

Describe Force

A

Something that causes a change in motion

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7
Q

Describe Inertia

A

Outside force that influences an object’s willingness to move

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8
Q

Describe Acceleration

A

Rate of change of speed or velocity of matter

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9
Q

Describe Speed

A

Rate of movement in terms of distance

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10
Q

Describe Velocity

A

Speed of an object at any given time

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11
Q

Explain Newton’s First Law

A

An object in motion will stay in motion, unless acted upon by an outside force.

Vice versa for when at rest

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12
Q

Explain Newton’s Second Law

A

Acceleration of an object is dependent on two variables: the net force acting on the object and the weight of the object

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13
Q

Explain Newton’s Third Law

A

For every action, there is an equal or opposite reaction

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14
Q

Explain Bernoulli’s Principle

A

If a fluid is met with a restriction in its flow, the fluid will move faster because of the increased pressure

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15
Q

What is Lift?

A

The force that acts in an upward direction to support the aircraft in the air.

Liftmust be greater or equal to weight if flight is to be susutained

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16
Q

What is Weight?

A

Force of gravity acting downward on the aircraft

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17
Q

What is Drag?

A

Force that tends to hold aircraft back.

Resists motion

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18
Q

What is Thrust?

A

Made by the aircraft, force that pushes the aircraft forward

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19
Q

What are the three axis’ on the aircraft?

A
  • Longitudinal
  • Lateral
  • Vertical
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20
Q

Explain Longitudinal axis

A

Line that runs from the center of the aircraft from nose to tail

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21
Q

Explain Lateral axis

A

Line running parallel to the wings

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22
Q

Explain Vertical axis

A

Line running from the top to the bottom of the aircraft

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23
Q

Ailerons control what axis? Which controls what?

A

Longitudinal axis

Roll

24
Q

Elevators control what axis? Which controls what?

A

Lateral axis

Pitch

25
Q

Rudders control what axis? Which controls what?

A

Vertical axis

Yaw

26
Q

What does the cyclic stick in the Helo control?

A

Roll / Pitch

27
Q

What dose the Tail Rotor in the helo control?

A

Yaw

28
Q

What do the Flaps do?

A

(Leading / Trailing Edges)

Creates extra lift

29
Q

What do the Spoilers do?

A

“Air brakes” slows aircraft to acceptable speed to land

30
Q

What do Speed Brakes do?

A

Creates more drag for aircraft

31
Q

What do Slats do?

A

Movable control surfaces that assist with lateral control of aircraft

32
Q

Define an Airfoil

A

Curved surface that assists with creating lift

33
Q

Define Collective

A

When all blades of a Helo move together to change Angle of Attack or pitch

34
Q

Define Angle of Attack (AoA)

A

Angle at which the airfoil or fuselage meets a flow of air

35
Q

Define autorotation

A

Method of landing a Helo without using power

36
Q

What 5 components make up the hydraulic system?

A
  • Reservoir
  • Pump
  • Tubing
  • Selector Valve
  • Actuating Unit
37
Q

What 4 components make up the landing gear?

A
  • Shock strut assembly
  • Wheel brake assembly
  • Retracting and extendiing assembly
  • Side struts and supports
38
Q

State the safety precautions used when servicing aircraft tires

A
  • Always approach tires from fore and aft
  • When inflating, stand off to the side
  • Deflate when removing from aircraft
39
Q

Describe Turbojet

A

Projects a column of air to the rear of the aircraft to create thrust

40
Q

Describe Turboshaft

A

Delivers power to drive something other than a propeller

41
Q

Describe Turboprop

A

Conversion of gas-energy into mechanical power

42
Q

Describe Turbofan

A

Same as a Turboprop, except the propeller is replaced by a duct-enclosed axial flow fan

43
Q

What are the 3 types of fuel the Navy uses?

A
  • JP-4
  • JP-5
  • JP-8
44
Q

Characteristics of JP-4 fuel

A

Flame Spread Rate: 700- 800 ft/min

Flashpoint: -10 degrees F or -23 C

  • Not used on ships
  • Lower RPM
  • Slower acceleration
45
Q

Characteristics of JP-5 fuel

A

Flame Spread Rate: 100 ft/min

Flashpoint: 140 F of 60 C

  • Used on ships
  • Primary jet fuel
46
Q

Characteristics of JP-8 fuel

A

Flame Spread Rate: 100 ft/min

Flashpoint: 100 F or 40 C

47
Q

Describe the three hazards associated with jet fuel

A
  • Fuel flames
  • Vapor inhalation
  • Toxic contact
48
Q

What are the safety precautions and procedures associated with applying and removing external power

A
  • Circuit breakers & switches must be in proper position in required MIMS
  • Inspect power cables and cable assembly pins
  • Ensure power sources is secured prior to application & removal
  • When using mobile power unit, ensure it is chocked
49
Q

Discuss icing’s effects on aircraft and its performance

A

Restricts aircraft’s ability to move

  • Loss of engine power
  • Loss of radio
  • False indication on instruments
  • Loss of brakes
50
Q

State the purpose of Pitot-static

A

Includes unstruments that opeerate on the principle of the barometer

51
Q

State the purpose of the Airspeed indicator

A

Displays speed of the aircraft in relation to the air it’s flying in

52
Q

State the purpose of Altimeters

A

Shows the height of the aircraft above sea level

53
Q

State the purpose of Rate-of-climb

A

Shows the rate at which the aircraft is climbing or descending

54
Q

State the purpose of Attitude indicator

A

Shows the pilot the relative position of the aircraft compared to the earth’s horizon

55
Q

State the purpose of turn and bank indicator

A

Shows the correct execution of a turn and bank

56
Q

State the purpose of Navigation systems

A

Direct, plot, and control the course or position of the aircraft

Phase 1 EAWS (11 decks)

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