Inertia Navigation Aids

Question 1

INS provides information on:

Answer 1

• position
• velocity
• heading
• course
• course deviation

Question 2

Advantages of Ring laser ‘gyro’s

Answer 2

• no rotating part therefore, more reliable , easier to maintain and have a Low life cycle cost

Question 3

Transport rate and rotation rate

Answer 3

Transport rate is the movement of aircraft platform parallel to the earth’s surface, must be compensated for.

As earth rotates 15.04 degree/h, the rotation rate is taken into account and compensated for as well.

Question 4

Primary sensor within INS

Answer 4

Accelerometer

Question 5

Function of accelerometer

Answer 5

Senses acceleration along its acceleration sensitive axis.