Nautical USCG Exam Solutions: Compass Error by Azimuth by benmagoo Posted on December 23, 2017December 23, 2017
Nautical USCG Exam solutions: Compass Error by Amplitude by benmagoo Posted on December 20, 2017December 21, 2017
Nautical An introduction to the USCG Exam Solutions by benmagoo Posted on December 15, 2017January 3, 2018