курсова система
gyromagnetic compass
magnetic liquid compass / wet compass
gyromagnetic heading
compass locator, middle marker site, instrument landing system
compass bearing
compass case
compass direction
compass error
compass heading
compass march
compass north
compass rose (wind rose)
lensatic compass
adjusted compass
compass data
compass of the base point
individual compass error
compass variation
gyro flux(-)gate compass
gyro stabilized flux(-)gate compass
gyro-compass / gyro-unit
gyro-unit / gyro-compass
radio compass
sighting compass
compass
jumper-stay compass
watch compass
hand bearing compass
magnetic compass
compass problem
night compass problem
azimuth compass