As of 2009, this teleprinter is part of a larger system which is still in use. It is reported as still being used on the B-52 as well as other U.S. aircraft to receive classified messages. The TT-712/A receives teletype signals and translates these signals into printed characters on a paper roll.

Reference Numbers (Part Numbers)
TT-712/A • 132400-0001 • NSN 5815-01-056-4186

General Characteristics:

Print Speed: 100WPM,
Power: 115VAC 400Hz Single phase.

This printer was designed to work in secure enviroments.