Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 65 TAIL ROTOR DRIVE The subsystem components transmitting power to the tail rotor. Includes drive, rotor braking, blade angle, and attitude control. Does not include the rotor anti-icing system (see System 30, ICE AND RAIN PROTECTION). 00 GENERAL 10 SHAFTS The portion of the system that includes drive shafts, bearing, flexible couplings, etc. 20 GEARBOXES The portion of the system that includes intermediate and tail gearboxes. 30 UNASSIGNED 40 INDICATING The portion of the system used to indicate operation or activation of rotor systems. Includes lights, gauges, switches, wiring, etc. 74