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Navigator Albert Hegenberger facing rear and behind a semi-protective windscreen while making his celestial sightings.
The first LORAN receiver for aircraft use to enter service.
Arthur Goebel's Travel Air 5000 Woolaroc.
An astrodome provided an enclosed area from which a navigator could take sightings.
One of the first effective models of bubble sextant for aeronautical use.
A soldier using the Blue Force Tracker System.
Most navigators in the Army Air Forces started as pilot cadets who “washed out” of pilot training, often in a PT-17, such as the one seen here. Good math skills were considered essential for those who made the transition to navigator.
A maritime sextant with a special bubble attachement to the eyepiece to aid in establishing a horizon in aeronautical use, circa 1919.
It contained a crystal ocillator and was key to the LORAN system.
Student navigators learning about celestial navigation.
