Multimedia Gallery
- Navigation Methods: Celestial Navigation
She served as an instructor at the U.S. Naval Reserve Air Auxiliary Station at Camp Kearney, California.
Length: 43 Minutes, 51 Seconds
A mariner could use a cross staff to measure the Sun’s angle above the horizon at midday.
Using a mariner's astrolabe to measure the angle of the Sun or a star above the horizontal.
A nocturnal is used to find the local time at night by observation of stars near the North Pole.
Using an horary quadrant to find time of day by measuring the Sun's altitude.
Astronomers had long known that the Moon changes its position against the background of the sky and stars fairly quickly. This steady motion could be used to measure time.
This cropped wartime advertisement utilized the spotlight given to the newly established aircrew position of non-pilot navigator.
This war club was collected by the U.S. Exploring Expedition in Fiji.
Weems developed this simple but effective plotter for aeronautical charts in 1935.