Radio Navigationmedium#1163
The main error characteristic of INS is:
A
Random jumps in position
B
Errors only at high altitude
C
Complete failure after 2 hours
D
A gradual drift in position that increases with time (bounded Schuler oscillation)
CorrectExplanation
INS position errors grow with time due to gyro drift and accelerometer bias, exhibiting a Schuler oscillation with a period of approximately 84.4 minutes.
Ready for a timed quiz?
Test yourself with random questions from Radio Navigation and all other ATPL subjects.
Start a Practice Quiz