MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Kra405b arinc 552a w/tone gen. System includes the kra 450b receiver/transmitter, a kni 415 (fixed wing), or kni 416 (helicopter) radar altimeter indicator, two ka 54a antennas. Altitude accuracy +5 ft. 27.5 dc 20% at 850v power requirements. Transmitter output 660mw . Center frequency 4300 15 mhz. Modualtion frequency; primary rt 100 hz , secondary rt 105 hz (dual installaion). Fcs warn normal operation +18 to +30vdc at less than 250ma