G. AVIONICS FLIGHT CHECKS (CONT)
again and the to/from indicator reads to.
Fly a 90
right turn such that the flight path is at a90
angle to the direction to the station. The VOR/localizer
needle should deflect noticeably to the left after one or
two miles of flight (assuming the station is 25 to 50
miles from the aircraft).
VOR range test: Achieve adequate usable reception at
45 miles at 1,250 feet above station antenna altitude.
VOR ground-track accuracy test Fly aircraft over a
predetermined ground check point. The maximum
error shall be ± 3%.
*11. TACAN - Check as follows
NAV B control (audio control panel) - Depress on and
rotate clockwise to set volume
Power switch (TACAN control panel) - ON.
Frequency selectors (TACAN control panel) - Set test
Volume control (TACAN control panel) - As required
Course indicator switches (instrument panel) - TACAN