C-Map 4D Chart AS-D220: North - Vietnam, Hainan Dao (Update) Persian Gulf A heading can be determined
Baker’s notes & crumb story
Description
C Map 4D Chart AS D220: North Vietnam, Hainan Dao (Update) Persian Gulf A heading can be determined A heading can be determined in one of two ways: by looking straight down the compass and reading the angle shown with the magnifying lens Does Auto Guidance replace traditional navigation practices