Drilled holes in VS spar and rudder for wiring to tail position light and strobe. Installed platenuts in HS, VS, and fuselage for empennage fairing. Riveted tips onto elevators. Riveted rudder stop to tail. Riveted up elevator stop to tail. Installed platenuts on tail cone for inspection plates, and couintersunk plates. Countersunk empennage gap cover holes.