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Eyepiece, Sextant, Apollo 16

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This object is on display in the Human Spaceflight exhibition station at the Steven F. Udvar-Hazy Center.


Manufacturer: Kollsman Instrument Company

Country of Origin: United States of America

Dimensions: 3-D: 17.8 x 7.6cm (7 x 3 in.)

Materials: Metal housing with glass optics

This is one of two optical devices installed on an Apollo Command Module that assisted the astronauts in navigating from Earth to the Moon. It allowed the astronauts to take fixes on stars, which were combined with other data in the Module's guidance computer to give them accurate position and velocity.

This device, made by the Kollsman Instrument Company, was flown on Apollo 16, a lunar mission that flew in April 1972.

Transferred from NASA to the Museum in 1977.

Transferred from the National Aeronautics and Space Administration

Inventory number: A19770205000

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