Phase III, Block V - Electrical

Question 1

What is Azimuth?

Answer 1

The angular position or bearing in a horizontal plane usually measure clockwise from true north.

Question 2

What is Bearing?

Answer 2

Defined as angular position of an object with respect to a reference point or line.

Question 3

What is Range?

Answer 3

Defined as the distance of an object from an observer.

Question 4

What is Heading?

Answer 4

Defined as actual orientation of the aircraft’s longitudinal axis at any instance.

Question 5

What is True Heading?

Answer 5

Direction measure by true north

Question 6

What is Magnetic Heading?

Answer 6

Uses the direction of the earth’s magnetic field at that location as the reference.

Question 7

What is Relative Heading?

Answer 7

Uses the current direction that an object is facing a 0-360 azimuth alignment.

Question 8

What system aids the Inertial Navigation System?

Answer 8

GPS

Question 9

What are the five modes of INS?

Answer 9

STBY- Inactive
NORM- Normal Alignment
STR HDG- Command Stored Heading Alignment
NAV- Navigation
ATT-  Attitude

Question 10

How long does it take for INS to align at Normal alignment

Answer 10

3.5 Minutes

Question 11

What are the colors of the Position lights and their location.

Answer 11

Red - Left Wing Tip

Green - Right Wing Tip

Question 12

Anti-Collision strobe lights provide coverage where?

Answer 12

Forward, aft, up, down, outboard

Question 13

Where are the Approach lights located?

Answer 13

The Nose landing gear strut.

Question 14

What are the Formation light comprised of?

Answer 14

Six green LED elements

Question 15

What is the ESG, and Where is it located on the aircraft?

Answer 15

Engine Starter/Generator: It is mounted in the engine gearbox.

Question 16

What is the 270 VDC Batteries primary use?

Answer 16

Supply 270 VDC to the IPP for initial startup.

Question 17

What are the three positions of the 28 VDC Battery?

Answer 17

On, Off, Tow

Question 18

What does the Permanent Magnetic Generator supply?

Answer 18

Supplies unregulated 28 VDC to the Converter Regulators (CR).

Question 19

What do the Converter Regulators supply?

Answer 19

Supply regulated 28 VDC to the flight Control channels (A,B,C).

Question 20

What does the Non-Linear Inverter provide?

Answer 20

5.4kA, three-phase 115 VAC, 400 Hz power to the aircraft. There is no system redundancy since the VAC is not flight essential.

Question 21

What is VMC?

Answer 21

Vehicle Management Computer

Question 22

What VMC powers on first and loads software to others?

Answer 22

VMC B