Collins VIR-30 Radio Navigation System Instruction Book
523-0764194-00211A, 3rd Edition Oct 15, 1974

Description, Maintenance, Diagrams, Parts Lists

Includes: 
VIR-30 Radio Navigation System, 
VIR-30 Navigation Receiver, 
332C-10 Radio Magnetic Indicator 
699Z-1 RMI Adapter