Communications and RADAR

Question 1

What is SGSI

Answer 1

Stabilized Glide Scope Indicator

Electro-hydraulic landing aid that allows pilots to visually establish and maintain proper glide scope for safe landing

Question 2

What is IVCS

Answer 2

Integrated Voice Communications System

Question 3

What is DIAS

Answer 3

Dynalec Integrated Announcing System

Amplifies signals from microphone control stations to be sent ship-wide via 1MC

Question 4

What is DHYSL

Answer 4

Digital Hybrid Speed Log

Measures ship’s speed through water and distance traveled from given travel point

Located in Pit Sword, sea valve is located in AUX 1

Question 5

What is the Moriah Wind System

Answer 5

Provides accurate wind data to the ship. The wind sensor units measure the relative wind around the ship.

Question 6

What is HF used for?

Answer 6

Over the horizon long distance communications >30NM

Question 7

What are the links used in interior communications?

Answer 7

LINK 16

LINK 11
-HF
-UHF

BMD LINKS
-MTJ (EHF)
-STJ (UHF)
-UTJ (SHF)

Question 8

What radar is the ship’s source of heading, pitch and roll?

Answer 8

WSN-7

Question 9

What is the ship’s primary search radar?

Answer 9

SPS-67

Searches 100nm

Question 10

What is the ship’s primary navigation radar?

Answer 10

SPS-74

Searches 64nm

Question 11

What is the repeater for SPS-67 and SPS-73?

Answer 11

SPA-25H

Question 12

What are the IFF search modes?

Answer 12

1, 2, 3, 5, C

Question 13

What information does TACAN provide?

Answer 13

Azimuth
Identification
Distance
Squitter