Vintage Narco Avionics UDI-4 DME SYSTEM with mounting tray.

NARCO AVIONICS distance measuring equipment, DME interrogator model UDI-4. Has been stored in a cabinet, after removal for AVIONICS upgrade. It is sold as is, for parts great collectible, museum static display, mock up or a school project. 

Do not have capability to verify function. 

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