11. Her navigation equipment included wireless direction finding, and echo sounding device and a gyrocompass . 12. Large ships typically rely on a gyrocompass , using the magnetic compass only as a backup. 13. In addition, RCN vessels were incapable of operating gyrocompasses , making ASDIC attacks more difficult. 14. Workers installed a gyrocompass and repaired equipment in preparation for final acceptance trials on 7 March. 15. The WWII equipped bridge was retained although new gyrocompass 'and modern surface radar were installed. 16. On deck, she has a brailing winch, a CTD winch, three Sperry gyrocompass . 17. The gyrocompass was introduced in 1908 while ship's radar came in after the 1930s. 18. Navigation underwater was accomplished using a directional gyrocompass or by following instructions radioed from the transport barge. 19. The gyrocompass can be used for navigation, but it is indeed a flight instrument as well. 20. By the time she reached, her gyrocompass was again working and she began turning slowly to starboard.
