B-17 Nine-O-Nine

Feb 052013
Astro Compass

Astro Compass

The Navigator’s Information File has a description of the Astro Compass (or Astrocompass) .  This device was used by navigators to determine the true heading of the airplane, to steer a true heading, to identify a star, or as a pelorus, a device without magnetic needles used to read bearings.

It is unclear to me if, or how often, this device was actually used.  I ran across an Astro Compass while visiting the United States Air Force Armament Museum at Eglin Air Force Base, near Fort Walton Beach, Florida.

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