TM 1-1520-238-10 3-2 Table 3-1. Communication/Navigation Equipment Equipment Nomenclature Use Range Control Location Remarks Intercommunication Intercommuni– cation Control C-10414/ARC or C-11746/ARC Intercommunication between crew members and control of navigation and communication radios. Within crew stations and two external receptacles. Pilot center console and CPG right console Remote Transmitter Selector (used with C-10414) or Remote Transmitter Indicator ID-2403/ARC (used with C-11746) Indicates control of communication and navigation equipment. Not applicable Pilot center console VHF FM-AM Communication AN/ARC-186(V) VHF FM-AM No.1 Two-way FM voice communications. FM frequency range 30 to 87.975 MHz plus AM 116 to 151.975 MHz. “Receive Only’’ AM frequency range 108 to 115.975 MHz. Line of sight Pilot right console VHF FM-AM Communication AN/ARC-186(V) VHF FM-AM No. 2 Same as VHF FM-AM No.1 radio. Line of sight CPG right console VHF FM Communication (SINCGARS) AN/ARC-201 Two-way voice communication in the frequency range of 30 to 87.975 MHz. Line of sight Pilot right console UHF AM Communication AN/ARC-164 Two-way communication in the frequency range of 225 to 399.975 MHz. Line of sight Pilot right console Remote Control Unit (RCU) Voice Security System Z-AHP KY-58 Secure communication for pilot AN/ARC-186 or AN/ARC-201 radio. Not applicable Pilot right console Complete provisions