AIRBORNE RADAR FOR HELICOPTER NAVIGATION.
NATIONAL AVIATION FACILITIES EXPERIMENTAL CENTER ATLANTIC CITY N J
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A Ground Mapping Airborne Navigation Radar BHR-3 was developed. The radar system, operating in the 15.4 to 15.7 gc Ku-band was tested to provide data on the feasibility and usefulness of the system for helicopter navigation and to examine the suitability of radar enhancement devices. Additional tests planned to determine the effects of pilot fatigue and learning, aircraft altitude and limiting minimums of operation, and BHR-3 range scales on navigation with the ground mapping radar were canceled due to the unacceptable system performance observed during the initial tests. Tests were performed with the BHR-3 system installed in an S-61L Helicopter leased from Los Angeles Airways. Author