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93 Cards in this Set

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What is the principle of inertia?
A body at rest/motion will stay at rest/motion unless acted upon by an outside force
What does acceleation mean?
The rate of CHANGE of the speed and or velocity of matter with time.
What does speed mean?
Rate of movement in relation to time. (200MPH)
What does velocity mean?
Rate of movement in given time and direction. (200 MPH due south)
Define Newton's 1st Law of Motion.
Movement will continue until forced to stop.
Define Newton's 2nd Law of motion.
Less force means less speed.
Define Newton's 3rd Law of motion.
For every action there is an equal and opposite reaction.
Define Bernoulli's principle.
As the speed of a moving liquid increases, the pressure within the liquid decreases.
(Speed Pressure )
1 knots equas how many MPH?
1.1 MPH
What does a wind warning for small craft mean?
It is a warning for harbor and inland waters for winds of 33 knot or less.
What does a wind warning of "storm" mean?
That winds are 47 knots or higher are present for all water.
What does a wind warning of "gale" mean?
That wind conditions of 34-47 knots are present over all water.
Describe the conditions of a tropical depression.
Winds of 33 knots or less.
Describe the conditions of a tropical storm.
34-36 knot winds,
Describe the conditions of a hurrican/typhoon.
Winds of 64 knots or greater.
Describe a thunderstorm warning.
Storm conditions are present with 3 miles of airfield or the immediate area.
What constitutes a warning of severe thunderstorm?
Thunderstorms with gusts up to 50 knots and or hail of 3/4" in diameter.
When will a tornado warning be issued?
When a tornado is sighted or detected by radarin or by a warning area or if the potential is apparent.
What is lift?
Force that acts in an upward direction.
What is weight?
Force of gravity in downward direction.
What is drag?
Force that resists accelleration.
What is thrust?
Force that causes accelleration.
Where is the longitudinal axis?
imaginary line that runs from the nose to the tail.
Where is the lateral axis?
imaginary line that is parrallel with the wings.
Where is the vertical axis?
Imaginary line that funs from the top to the bottom of the A/C/
Upon what axis does roll affect?
Longitudinal axis.
Upon what axis does yaw affect?
Verticle axis.
Upon what axis does pitch affect?
Lateral axis.
On a fixed wing A/C what are the primary flict\ght controls and what do they affect?
Ailerons..........Roll.
Elevator..........Pitch.
Rudder............Yaw.
On a rotary wing A/C what are the primary flight controls and what do they affect?
Collective stick.......Roll.
Cyclic stic............Yaw.
Lateral controls.......Pitch.
What is the purpose of the flap.
Po\rovides extra lift.
What is the purpose of the spoiler?
Decreases lift.
What is the purpose of the speed brakes?
Reduces speed.
What is the purpose of the slat?
At lower speeds it increases controlof pitch.
What is the purpose of the horizontal stabilizer?
It provides stability of the pitch.
What is the purpose of the verticle stabilizer?
It provides stability of yaw.
Known as directional stability.
What is the purpose of the verticle stabilizer?
It counteracts torque of main rotor by providing force in the opposite direction.
What does the term "angle of attack" mean?
It is the angle at which the fuselage meets airflow.
What is autorotation?
In helos it is the ablility to land safely without engine power by using reverse airflow through the rudder system to slow down descent.
What are the 5 basic components of a hydraulic system?
1) Reservoir
2) Pump
3) Tubing
4) Actuating unit
5) Selector valve
In a hydraulic system what is the purpose of the pump?
Provides fluid flow.
In a hydraulic system what is the purpose of tubing?
Transmits fluid.
In a hydraulic system what is the purpose of the reservoir?
Holds fluid.
In a hydraulic system what is the purpose of the actuating unit?
Produces work from fluid pressure.
In a hydraulic system what is the purpose of the selector valve?
Selection direction of fluid flow.
What are the 5 main components of a landing gear system?
1) Shocks/struts.
2) Tires.
3) wheelbrake assembly.
4) Retracting/extending assembly.
5) Side struts/supports.
JP4 is never used where?
Onboard ships.
In a landing gear assembly, what is the purpose of the tires?
Allows the A/C to roll on the ground.
What is the FSR and FP of JP4?
FSR....700-800FPM
FP.....-10f/-23c
In a landing gear assembly, what is the purpose of the shocks/struts assembly?
Absorbs shock created from A/C landing.
What fuel is the primary fuel used onboard ships?
JP5
In a landing gear assembly, what is the purpose of the wheelbrake assembly?
It allows the A/C to stop/slow down and to prevent movement when parked.
What is the FSR and FP of JP5?
FSR....100FPM
FP.....140f/60c
In a landing gear assembly, what is the purpose of the side struts/supports?
Provides lateral strength /support to landing gear.
What is the NATO symbol for JP4?
F40
What fuel has a NATO symbol of F44?
JP5
In a landing gear assembly, what is the purpose of the retracting/extending mechanism?
It extends/retracts the landing gear.
What is the NATO symbol for JP8?
F34
What are the 5 basic parts of a jet engine?
1) Intake.
2) Compressor.
3) Combustion chamber.
4) Turbine.
5) Exhaust cone.
What is the FSR and FP for JP8?
FSR....100FPM
FP.....100f/40c
Describe a turbojet engine system.
It projects a column of air to rear of engine at high velocity.
How does icing affect A/C?
Seizes cables and joints.
Describe a turboshaft engine system.
It delivers powerthrough a shaft to drive something besides a prop.
When an A/C experiences icing what happens to lift and drag?
Lift will decrease while drag increases due to increased weight and stalling speed.
Describe a turbo prop engine system.
It delivers propulsion by conversion of most of the gas energy into mechanical energy to drive a prop.
JP4 is never used where?
Onboard ships.
Describe a turbofan engine system.
It delivers propulsion by conversion of most of the cas energy to drive a duct enclosed axial-flow fan.
What is the FSR and FP of JP4?
FSR....700-800FPM
FP.....-10f/-23c
What is the purpose of an afterburner?
Used to boost normal thrust rating during takeoff and combat maneuvuers.
What fuel is the primary fuel used onboard ships?
JP5
What are the three hazards of jet fuel?
Explosion of fumes.
Vapor inhalation.
Toxic contact.
What is the FSR and FP of JP5?
FSR....100FPM
FP.....140f/60c
What are the symptoms of vapr inhalation?
Nausea
Dizziness
Headaches
Death
What is the NATO symbol for JP4?
F40
What is the purpose of NDI (Non-Destructive Inspections)?
Provides testing methodes without affecting future use.
What are 3 methods of NDI?
Visual Inspections.
Magnaflux Inspection. (Ferrous Metal)
X-ray.
When referring to fuels what does the acronym FP stand for?
Flash Point.
When referring fuels what does the acronym FSR and stand for?
Flame Spread Rate.
Flame spread rate is measured how?
Feet Per Minute (FPM).
What is the purpose of the airspeed indicator?
Shows speed of A/C as compared to air surrounding it.
What does the altimeter do?
Shows height of A/C above sea level.
What does the rate of climb show?
Rate of climb/descent.
What instrument shows A/C position as compared to planetary horizon?
Attitude Indicator.
What does the turn and bank indicator show?
Correct execution of turns and banks.
What is the purpose of the navigation systems?
Directs pilot controls of course or positions.
What are 2 examples of navigations systems?
TACAN and LORAN.
What does IFF do?
It is an electronic method that an A/C uses radio waves to ID A/C or ships.
What doeas RADAR do?
It detects objects at distances further than can be seen.
What is the Magnetic (Standby) Compass?
A direct reading magnetic compass mounted on the instrument panel.
What is the purpose of the communications systems.
A method by which wireless communications to/from the A/C is accomplished.
What is voltage (E)?
What drives current.
What is current (I)?
The flow of electrons.
I increases and E increases
but
R decreases.
What is resistance (R)?
The force that opposes current flow.