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B Co 2012-3
Aerodynamics & Night Operations
56
Other
Professional
02/28/2012

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Updated by Mr Castelli 8May13
Definition

DISCLAIMER:

This study tool is to be used at your own risk! In no way has the Commander authorized this as official. Please feel free to keep your comments about the material to yourself, unless it is related to incorrect information.

Thank you, your local flashcard editor

Term
What are Newton's three laws of motion?
Definition

Inertia, Acceleration, Action/Reaction

FM 3-04.203, 1-1

Term
A body at rest will remain at rest, and a body in motion will remain in motion is which law of motion?
Definition

Inertia

FM 3-04.203, 1-2

Term
Force required to produce a change in motion of a body is directly proportional to its mass and rate of change in its velocity is which law of motion?
Definition

Acceleration

FM 3-04.203, 1-3

Term
For every action, there is an equal and opposite reaction is which law of motion?
Definition

Action/Reaction

FM 3-04.203, 1-4

Term
What principle describes the relationship between internal fluid pressure and fluid velocity?
Definition

Bernoulli's Principle

FM 3-04.203, 1-5

Term
As velocity of the airflow increases, ____ decreases above and below the airfoil.
Definition

Static pressure

FM 3-04.203, 1-7

Term
Static pressure differential on the upper and lower surfaces produces about ____ of the aerodynamic force called Lift.
Definition

75%

FM 3-04.203, 1-7

Term
The remaining ____% of lift is produced as a result of action/reaction.
Definition

25%

FM 3-04.203, 1-7

Term
What are the four forces of flight?
Definition

Lift, Weight, Thrust, Drag

FM 3-04.203, Fig 1-8

Term
The angle measured between the resultant relative wind and chord line is?
Definition

Angle of Attack (AOA)

FM 3-04.203, Table 1-1

Term
What are the two types of airfoils?
Definition

Symmetrical and nonsymmetrical

FM 3-04.203, 1-17

Term
What is the component of the airfoil's TAF perpendicular to the resultant relative wind?
Definition
Lift
Term
What is the component of the airfoil's TAF parallel to the resultant relative wind?
Definition

Drag; the force opposing the motion of an airfoil through the air

FM 3-04.203, 1-65

Term
What are the three types of drag?
Definition

Parasite, Profile, Induced

FM 3-04.203, 1-68

Term
What type of drag is incurred from the nonlifting portions of the aircraft (fuselage, engine cowlings, ect)?
Definition

Parasite Drag

FM 3-04.203, 1-69

Term
What type of drag is incurred from frictional resistance of the blades passing through the air?
Definition

Profile Drag

FM 3-04.203, 1-70

Term
Does parasite drag increase with airspeed?
Definition

Yes

FM 3-04.203, 1-69

Term
What type of drag is incurred as a result of production of lift?
Definition

Induced

FM 3-04.203, 1-71

Term
The vertical axis about which the aircraft ____ ?
Definition

Yaws

FM 3-04.203, 7-1

 

Term
Lateral axis about which the aircraft ____?
Definition

Pitches

FM 3-04.203, 7-1

Term
Longitudinal axis about which the aircraft ____?
Definition

Rolls

FM 3-04.203, 7-1

Term
If AOA is increased beyond a critial angle, what willl be the result?
Definition
A stall results
Term
What factors affect the angle of climb?
Definition
Altitude, weight, and wind
Term
What factors affect the rate of climb?
Definition
Altitude and weight
Term
What control surfaces are operated in opposite directions on a conventional aircraft?
Definition
Ailerons
Term
What control surfaces are used on a aircraft to develops pitching and yawing moments, respectively?
Definition

Elevators (pitching moment) and Rudder (yawing moment).

 

FM 3-04.203, Section 7-221

Term
What are the two forms of icing?
Definition

Structural or induction icing

FM 3-04.203, 8-2

Term
What are the three types of icing?
Definition

Rime, clear, and mixed

FM 3-04.203, 8-4

Term
What are the four levels of ice accumulation intensity?
Definition

Trace

Light

Moderate

Severe

FM 3-04.203, 8-7

Term
What are the four options a pilot can make once ice has begun to accumulate on the aircraft?
Definition

-Move to an altitude with significantly colder temps

-Move to an altitude with temps that are above freezing

-Fly to an area clear of visible moisture

-Change heading and fly to an area of know nonicing conditions

Term
what does the acronym FLIR stand for?
Definition
Forward looking infrared.
Term
Night vision sensors are descibed as two types, what are they?
Definition

Night vision sensors (NVS)

Night vision devices (NVD)

(FM 3-04.203 4-13)
Term
What type of night vision equipment would a payload be considered?
Definition
Night vision sensor

(FM 3-04.203 4-13)
Term
How much of the electromanetic spectrum does the sun emit energy across?
Definition
The entire electromagnetic spectrum, not just the visible light spectrum

(FM 3-04.203 4-14)
Term
What are the three sub parts of the infrared spectrum?
Definition
Near IR
Middle IR and
Far IR
Term
Thermal systems are operate passively, which means they operate reguardless of the levels of WHAT?
Definition
Visible Light

(FM 3-04.203 4-21)
Term
What four factors determine the ammount of IR energy an object will radiate when exposed to X level of thermal energy for x amount of time?
Definition
[image]
Term
What is the ratio of radiant energy reflected by a body to the radiant energy incident upon it?
Definition
Reflectance

(FM 3-04.203 4-15)
Term
What is the ratio of radiant energy that, having entered a body, reached its farther boundary?
Definition
Transmittance

(FM 3-04.203 4-15)
Term
What is the ratio of radiant energy absorbed by a body to the radiant energy incident upon it?
Definition
Absorptance

(FM 3-04.203 4-15)
Term
What is the ratio of radiant energy emitted by a body to that emitted by a reference body at the same temp?
Definition
Emissivity

(FM 3-04.203 4-15)
Term
What theoretical surface absorbs 100% of the energy acting upon it and emits 100% of its IR energy?
Definition
Blackbody

(FM 3-04.203 4-15)
Term
What is the lowest thermal difference that can be resolved called?
Definition
Minimum Resolvable Temperature (MRT)
Term
A LOW or HIGH MRT provides more contrast and detail in the FLIR picture and allows operations in a broad range of environmental conditions?
Definition
A Low

(FM 3-04.203 4-22)
Term
Variables affecting the ability to see with thermal imaging systems include:
Definition

-IR Crossover

-FLIR sensor optimization

-MRT

-Aviator's proficiency and capabilities

-Humidity

-Obscurations such as, dust, smoke, or haze

Term
What is the term for the signal reduction caused by the distance a signal travel through the aa given air composition or density?
Definition
Attenuation

(FM 3-04.203 4-23)
Term
IR signal attenuation is directly proportionate to changes in what two variables?
Definition
Air composition or density

(FM 3-04.203 4-23)
Term
Variables in the air such as dust, haze, smoke and moisture cause what to happan to an IR camera?
Definition
attenuation

(FM 3-04.203 4-23)
Term
What is the term for the time of day when the thermal radiation of Soil, water, and concrete are nearly equal?
Definition
Thermal crossover

(FM 3-04.203 4-24)
Term
When does thermal crossover happen?
Definition
1 to 1.5 hours after sunrise or sunset

(ATTP 3-04.15)
Term
What controls the overall intensity or brightness of the total light-emitting diode array?
Definition
Level control

(FM 3-04.203 4-22)
Term
What control adjusts the contrast?
Definition
Gain

(FM 3-04.203 4-23)
Term
What are the considerations for FLIR optimization?
Definition

-FLIR should be allowed to cool to proper operating temperatures before optimizing

-The aviator selects a scene that is potentially rich in detail or best represents the planned flight environment

-The aviator selects the desired polarity

-Only on control should be adjusted at a time; never simultaneously

(FM 3-04.203 4-23)
Term
The ability of FLIR to discriminate soil from concrete or water would be based on what?
Definition
MRT

(FM 3-04.203 4-24)
Term

T OR F:

Soil and concrete do not cross over with vegetation, while vegetation and water cross over twice daily.

Definition
True

(FM 3-04.203 4-24)
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