Litton Aero Products LTN-72R Control Display Unit  
Written by Accutron on 2013-02-10  

The Litton Aero Products LTN-72R Control Display Unit is the logic and display portion of the LTN-72R inertial navigation system. The LTN-72R was used in a number of commercial aircraft in the early 1980s, including the Boeing 737, Lockheed L-1011 Tristar and the McDonnell Douglas DC-8. The LTN-72R CDU has an illuminated keypad and a 5-line by 16-character alphanumeric display, designed for visibility in varying lighting conditions.


Litton Aero Products LTN-72R Control Display Unit.


LTN-72R, rear connections.


LTN-72R, internal card cage accessible from a hinged door located on the bottom of the unit.

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