Compass Error. Logbook/Поправки компаса. Бортовой журнал

Журнал на английском языке.
Logbook for recording compass and gyro errors. It includes variation charts, as well as full colour sky at night views of the main constellations, with navigable stars highlighted.
Compass Error. Logbook has columns:
DATE
TIME (UTC)
LATITUDE
LONGITUDE
BODY
TRUE BRG
GYRO - BRG
GYRO = ERROR
GYRO + COURSE
TRUE = COURSE
COMPASS - COURSE
COMPASS = ERROR
- VARw-e+
= DEVw-e+
+ SIGNATURE