NSI Extra Study Flashcards
Radiation that strikes an object can be:
1)
2)
3)
1) Absorbed
2) Transmitted
3) Reflected
What is the primary means of NVG terrain flight navigation?
Pilotage
8 NVG Image Defects
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
Attenuation of Energy occurs by
1) Absorption
2) Scattering
3) Refraction (Least Significant)
What 2 things does texture provide?
1) Recognition
2) Depth Perception
3 atmospheric molecules that most affect FLIR performance?
1) Water
2) Carbon Dioxide
3) Ozone
Define: Luminance
Reflected Light
Expressed in foot-lamberts (ft-L)
Define: Illuminance
The amount of light generated from a source
Expressed in Lumens per square meter (lm/m^2)
Define Thermal Mass
The ability of an object to store heat
Define: Terrain Contrast
A measure of the difference between reflectivity of 2 or more surfaces.
Define: Albedo
The ratio of incident energy to reflected energy
Relationship between illuminance and luminance.
Tactical Laser
1) Wavelength
2) NOHD
3) Pulses per second
1) 1.064 microns
2) 17.7 km
3) 10 Pulses per second
4 factors that influence the amount of light provided by the moon
1) Lunar Cycle (CADA)
2) Lunar Albedo
3) Variation in Earth-Moon distance
4) Moon Angle
3 major factors that influence NVD performance
1) Terrain Contrast (TAITS)
2) Atmospheric Conditions
3) Illuminations / Thermal Scene
Define: Visual Contrast
Variations in a static scene such as:
Swells or White Caps
Assists in: Altitude and Speed Estimation
What are the 6 measures that can be used to ensure integration and deconfliction in an objective area as RW assets flow in?
1) Separate Routing (SHARP-T)
2) Holding Areas
3) Altitude Separation
4) Rendezvous Points
5) Phase Lines
6) Time Separation
TSS FLIR detectors
1) Number
2) Type
1) 640 x 480
2) Indium Antinomide Detectors
FLIR Scan Type
Staring Focal Plane Array (FPA)
IR Pointer (AN/AAQ-30A)
1) Wavelength
2) NOHD
1) 0.860 Microns
2) 260m
Alignment Diode (AN/AAQ-30)
1) Wavelength
2) NOHD
1) 0.830 Microns
2) 500m
Eye Safe (ESAF) Laser
1) Wavelength
2) NOHD
3) Pulses per second
1) 1.57 microns
2) 0m
3) 1 Pulse per second
3 primary terrain factors for NVG mission planning
1) Terrain Contrast (CRS)
2) Terrain Reflectivity
3) Terrain Shadowing
Define: Emissivity
The ability of an object to emit thermal energy compared to a black body at the same temperature.
2 differences between Gen2 and Gen3 Image Intensifier tubes
1) Replaced Gen2 Multi-Alkali Photocathodes with Gen3 Galium Arsenide Photocathodes
2) Incorporated an Aluminum Oxide Ion Barrier
What designation must an IUT possess in order to be designated an NSI?
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
What is the TSS’s Field of Regard?
+/- 120 degrees in azimuth
+ 45 degrees to -105 degrees in elevation
Terrain features or texture is important, because it provides:
1)
2)
1) Recognition
2) Depth Perception Cues
NVG’s and FLIR operate in the ____________ portion of the electromagnetic spectrum.
Optical
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)
1) Contrast
2) Detail
Define the following sensor tasking brevity term:
Track
Directive call assigning responsibility to maintain sensor/visual awareness on a defined object or area
Define the following sensor tasking brevity term:
Sort
Directive call to assign sensor priority within a group of vehicles/personnel
Define the following sensor tasking brevity term:
Drop
Directive call to discontinue sensor/visual track responsibility
Define the following sensor tasking brevity term:
Meld
Directive call for assets to bring sensors onto a single point of interest
Define the following sensor tasking brevity term:
Status
Call from JTAC requesting aircrew update the activity of the track responsibility or requesting label
Define the following sensor tasking brevity term:
Squirter
A ground-bourne object of interest departing the objective
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?
1) Cyclic button 2
2) DDM: 10 NDM: 15
3) 5 Declutter Levels
4) Press left to mute OTO display.
What are the 4 types of points used in the navigation system?
1) Waypoint (W)
2) Route (R)
3) Target (T)
4) Threat (K)
1) Which external lights are not affected by the Norm/IR switch?
2) Which light can only have the intensity adjusted in IR?
1) Blad Tip Lights
2) Anti-Collision Light
Conditions for Effective CAS
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
LUU-2B/B
1) Time
2) Candlepower
1) 4 Minutes
2) 1.9 Million Candlepower
2 primary factors of how objects appear on the FLIR.
1) Emissivity
2) Thermal Reflection
What are the accepted AN/AVS-9 detection ranges for vehicular targets and terrain features under:
1) LLL Conditions?
2) HLL Conditions?
1) LLL Vehicles: 3200m Terrain: 8500m 2) HLL Vehicles: 4500m Terrain: 1100m
Define: Sparkle (AC-130)
Mark the target with the 40mm MISCH cannon
2 advantages of white hot and 2 advantages of black hot polarity.
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.
