NSI Extra Study

Question 1

Radiation that strikes an object can be:
1)
2)
3)

Answer 1

1) Absorbed
2) Transmitted
3) Reflected

Question 2

What is the primary means of NVG terrain flight navigation?

Answer 2

Pilotage

Question 3

8 NVG Image Defects

Answer 3

1) Edge Shading
2) Edge Glow
3) Black Spots
4) Bright Spots
5) Wave Distortion
6) Shear Distortion
7) Chicken Wire Noise
8) Honey Comb / Fixed Pattern Noise

Question 4

Attenuation of Energy occurs by

Answer 4

1) Absorption
2) Scattering
3) Refraction (Least Significant)

Question 5

What 2 things does texture provide?

Answer 5

1) Recognition

2) Depth Perception

Question 6

3 atmospheric molecules that most affect FLIR performance?

Answer 6

1) Water
2) Carbon Dioxide
3) Ozone

Question 7

Define: Luminance

Answer 7

Reflected Light

Expressed in foot-lamberts (ft-L)

Question 8

Define: Illuminance

Answer 8

The amount of light generated from a source

Expressed in Lumens per square meter (lm/m^2)

Question 9

Define Thermal Mass

Answer 9

The ability of an object to store heat

Question 10

Define: Terrain Contrast

Answer 10

A measure of the difference between reflectivity of 2 or more surfaces.

Question 11

Define: Albedo

Answer 11

The ratio of incident energy to reflected energy

Relationship between illuminance and luminance.

Question 12

Tactical Laser

1) Wavelength
2) NOHD
3) Pulses per second

Answer 12

1) 1.064 microns
2) 17.7 km
3) 10 Pulses per second

Question 13

4 factors that influence the amount of light provided by the moon

Answer 13

1) Lunar Cycle (CADA)
2) Lunar Albedo
3) Variation in Earth-Moon distance
4) Moon Angle

Question 14

3 major factors that influence NVD performance

Answer 14

1) Terrain Contrast (TAITS)
2) Atmospheric Conditions
3) Illuminations / Thermal Scene

Question 15

Define: Visual Contrast

Answer 15

Variations in a static scene such as:
Swells or White Caps
Assists in: Altitude and Speed Estimation

Question 16

What are the 6 measures that can be used to ensure integration and deconfliction in an objective area as RW assets flow in?

Answer 16

1) Separate Routing (SHARP-T)
2) Holding Areas
3) Altitude Separation
4) Rendezvous Points
5) Phase Lines
6) Time Separation

Question 17

TSS FLIR detectors

1) Number
2) Type

Answer 17

1) 640 x 480

2) Indium Antinomide Detectors

Question 18

FLIR Scan Type

Answer 18

Staring Focal Plane Array (FPA)

Question 19

IR Pointer (AN/AAQ-30A)

1) Wavelength
2) NOHD

Answer 19

1) 0.860 Microns

2) 260m

Question 20

Alignment Diode (AN/AAQ-30)

1) Wavelength
2) NOHD

Answer 20

1) 0.830 Microns

2) 500m

Question 21

Eye Safe (ESAF) Laser

1) Wavelength
2) NOHD
3) Pulses per second

Answer 21

1) 1.57 microns
2) 0m
3) 1 Pulse per second

Question 22

3 primary terrain factors for NVG mission planning

Answer 22

1) Terrain Contrast (CRS)
2) Terrain Reflectivity
3) Terrain Shadowing

Question 23

Define: Emissivity

Answer 23

The ability of an object to emit thermal energy compared to a black body at the same temperature.

Question 24

2 differences between Gen2 and Gen3 Image Intensifier tubes

Answer 24

1) Replaced Gen2 Multi-Alkali Photocathodes with Gen3 Galium Arsenide Photocathodes
2) Incorporated an Aluminum Oxide Ion Barrier

Question 25

What designation must an IUT possess in order to be designated an NSI?

Answer 25

1) ANSQ LLL (current)
2) Section Lead (3 months min)
3) WTO
4) At least 90 total NVG hours
5) At least 40 Low Light Level hours

Question 26

What is the TSS’s Field of Regard?

Answer 26

+/- 120 degrees in azimuth

+ 45 degrees to -105 degrees in elevation

Question 27

Terrain features or texture is important, because it provides:
1)
2)

Answer 27

1) Recognition

2) Depth Perception Cues

Question 28

NVG’s and FLIR operate in the ____________ portion of the electromagnetic spectrum.

Answer 28

Optical

Question 29

The NVG’s shut down as they regain from the input of bright light (BSP). This will be noticed in the form of reduced NVG image:
1)
2)

Answer 29

1) Contrast

2) Detail

Question 30

Define the following sensor tasking brevity term:

Track

Answer 30

Directive call assigning responsibility to maintain sensor/visual awareness on a defined object or area

Question 31

Define the following sensor tasking brevity term:

Sort

Answer 31

Directive call to assign sensor priority within a group of vehicles/personnel

Question 32

Define the following sensor tasking brevity term:

Drop

Answer 32

Directive call to discontinue sensor/visual track responsibility

Question 33

Define the following sensor tasking brevity term:

Meld

Answer 33

Directive call for assets to bring sensors onto a single point of interest

Question 34

Define the following sensor tasking brevity term:

Status

Answer 34

Call from JTAC requesting aircrew update the activity of the track responsibility or requesting label

Question 35

Define the following sensor tasking brevity term:

Squirter

Answer 35

A ground-bourne object of interest departing the objective

Question 36

1) Which cyclic button adjusts OTO brightness and declutter?
2) How many brightness levels does it have?
3) How many declutter levels are there?
4) Which way do you press to mute the OTO display?

Answer 36

1) Cyclic button 2
2) DDM: 10 NDM: 15
3) 5 Declutter Levels
4) Press left to mute OTO display.

Question 37

What are the 4 types of points used in the navigation system?

Answer 37

1) Waypoint (W)
2) Route (R)
3) Target (T)
4) Threat (K)

Question 38

1) Which external lights are not affected by the Norm/IR switch?
2) Which light can only have the intensity adjusted in IR?

Answer 38

1) Blad Tip Lights

2) Anti-Collision Light

Question 39

Conditions for Effective CAS

Answer 39

1) Favorable Environmental Conditions
2) Appropriate Ordnance
3) Streamlined and Flexible Procedures
4) Target Marking
5) Planning and Integration
6) Air Superiority
7) Command and Control
8) Effective training and Proficiency

Question 40

LUU-2B/B

1) Time
2) Candlepower

Answer 40

1) 4 Minutes

2) 1.9 Million Candlepower

Question 41

2 primary factors of how objects appear on the FLIR.

Answer 41

1) Emissivity

2) Thermal Reflection

Question 42

What are the accepted AN/AVS-9 detection ranges for vehicular targets and terrain features under:

1) LLL Conditions?
2) HLL Conditions?

Answer 42

1) LLL
Vehicles: 3200m
Terrain: 8500m
2) HLL
Vehicles: 4500m
Terrain: 1100m

Question 43

Define: Sparkle (AC-130)

Answer 43

Mark the target with the 40mm MISCH cannon

Question 44

2 advantages of white hot and 2 advantages of black hot polarity.

Answer 44

1) White hot: Allows target detect at longer ranges, beset for searching for and classifying targets.
2) Black hot: Produces a more natural scene, helps operator see or confirm a cue pattern.