Service Test of AS-1922/ARC Homing Antenna for AN/ARC-54 and AN/ARC-131.
Final rept. Sep 67-Jul 68,
ARMY AVIATION BOARD FORT RUCKER AL
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The US Army Aviation Test Board service tested the AS-1922ARC Homing Antenna to determine its suitability for Army use. The AS-1922 was operated with ANARC-54 and ANARC-131 Radio Sets on U-6A, U-21A, UH-1H, and CH-47B Aircraft. Operational testing totaling 130 hours was conducted during day and night in simulated tactical situations. False on-course indications were received under various conditions on the U-6A and U-21A. The installation on the UH-1 and CH-47 helicopters was suitable. The reception range of the ANARC-131 Radio Set was reduced substantially with the AS-1922. Three deficiencies and one shortcoming were found during the test. It was concluded that the AS-1922 is not suitable for Army use on the U-6A Aircraft, or for use with the ANARC-131 Radio Set and that the antenna is suitable for use on UH-1 and CH-47 helicopters, on the U-21A Aircraft as selected frequencies, and with the ANARC-54 radio set. It was recommended that the AS-1922 not be accepted for use on Army aircraft until the false on-course indications and the incompatibility with the ANARC-131 have been resolved.
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