IHADSS

Question 1

The IHADSS consists of what two subsystems?

Answer 1

HMD + HMS

Question 2

What sighting component does the AAIH interface with for LOS Calculation?

Answer 2

ISDU

Question 3

What components make up the HMD subsystems?

Answer 3

HDU, DDU, and ISDU

Question 4

Which component creates the symbology viewed by the crewmember?

Answer 4

MP

Question 5

Where is the improved helmet display unit (HDU) stowed?

Answer 5

HDU storage is on the right console

Question 6

What does the HDU cable assembly connect to?

Answer 6

DDU

Question 7

How should the HDU cable assembly NOT be routed?

Answer 7

Should not be routed under the crewmember’s right arm

Question 8

What is the purpose of the combiner lens sliding clip?

Answer 8

The sliding clip allows the crewmember to position the combiner lens directly in front of their eye

Question 9

Where is the GRAYSCALE option/selection found?

Answer 9

WPN Page

Question 10

How many shades of gray are displayed when the gray scale has been optimized correctly?

Answer 10

10

Question 11

Which two adjustments are made on the IHDU itself?

Answer 11

Focusing and Leveling

Question 12

What are the two most important things to remember when performing the infinity focus check?

Answer 12

1. Do not focus the eye on the center roster lines, but rather on an object at least 200 feet away.
2. Focus the center roster lines to what your relaxed eye perceives as focused.

Question 13

Why is it important to perform the infinity focus check correctly?

Answer 13

Improper focus may lead to eye strain, headache, and/or reduced performance

Question 14

What is the aircraft Armament Datum Line (ADL)?

Answer 14

The Armament Datum Line is the imaginary 0’ axis as with 0’ elevation line that runs parallel to the longitudinal axis of the aircraft

Question 15

What system can be bore sighted from the PLT WPN Boresight page?

Answer 15

IHADSS

Question 16

What system can be boresighted from the CPG’s WPN Boresight page?

Answer 16

IHADSS + TADS

Question 17

Crewmembers boresight their IHADSS to the _______

Answer 17

ADL (Armament Datum Line)

Question 18

What are the three selectable symbology modes available in both crewstations?

Answer 18

Hover, Transition, and Cruise

Question 19

What does the Field of Regard box represent?

Answer 19

It represents the total gimbal limits for the sensor/sight selected in that crewstation

Question 20

The velocity vector saturates (fully extends) in Transition Mode symbology at what ground speed?

Answer 20

60 KTS (Ground Speed)

Question 21

What are the HAD message areas?

Answer 21

Site Status,
Site Select Status,
Range and Range Source,
Weapon Control,
Acquisition Select Status,
Weapon Status

HMD Format Owner Cue,
Weapon Inhibit,

Question 22

What does the “L” following the selected Sight message indicate?

Answer 22

The crewmember has the FCR, TADS, or UAV operating in a linked mode. EX: TADSL, FCRL, UAVL

Question 23

What does the head tracker symbol represent?

Answer 23

Indicates the angular difference between the aircraft centerline and the crewmember’s LOS (nose of the aircraft relative to the crewmember’s LOS).

Question 24

IHADSS symbology displays in one of two formats:

Answer 24

FLT or WPN