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Rocket Motor, Solid Fuel, 8AS-200, JATO (Jet-Assisted-Take-Off) Unit


Display Status:

This object is on display in the Rockets and Missiles exhibition at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Collection Item Summary:

The is an 8AS-200 JATO (Jet-Assisted-Take-Off) rocket motor, developed and built by the Aerojet Engineering Corporation to help lift light planes or for rescue work. The motor produced 200 pounds of thrust for eight seconds. The 8AS-200 JATO was an early development, dating to late 1942, but was not widely used because of its low thrust and short duration.

It was used from 1942-1943, mainly for tests, and was a precursor to Aerojet's later JATO Junior of 250 pounds thrust for 12 seconds that was much more successful. This model shown here appears to be a production model of of the 8AS-200 of ca. 1947. This object was donated to the Smithsonian in 1948 by the Aerojet Engineering Corp.

Collection Item Long Description:

Data Source

National Air and Space Museum


Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Credit Line

Gift of Aerojet Engineering Corporation


Overall, steel; inserted copper nozzle on top; non-ferrous ignition cylinder screwed on top


Overall: 1 ft. 5 in. long x 6 in. diameter (43.18 x 15.24cm)

Country of Origin

United States of America


ca. 1947


PROPULSION-Rocket Engines

Inventory Number


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