LED BEACON/Red, 28V, Rotorcraft. 01-0771080-05LED BEACON/Red, 28V, Rotorcraft. Designed to replace existing beacons utilizing a 5-Hole mounting pattern on a 4.656 diameter bolt circle (Whelen 70285 series/7090501 series or 70900 with A440 adapter)Product CodesMfr Part No:01-0771080-05ECCN:EAR99..