TM 1-1520-238-T-6
9–252
9–70.
ANTI-COLLISION LIGHTS – MAINTENANCE OPERATIONAL CHECK (cont)
9–70
1. Perform the maintenance operational check as follows:
Task
Result
a. On pilot center circuit breaker panel
(fig. 9–128), check that LT NAV circuit
breaker (CB73) and LT ANTI COL circuit
breaker (CB40) are closed.
If LT NAV circuit breaker (CB73) does not stay
closed, go to paragraph 9–55 to troubleshoot
navigation lights.
If LT ANTI COL circuit breaker (CB40) does not stay
closed, go to paragraph 9–72.
M69-137
LT ANTI COL
LT NAV
Figure 9–128.
Pilot Center Circuit Breaker Panel
WARNING
Anti-collision lights are high intensity strobe lights. Excessive viewing of
lights could cause temporary blindness. If injury occurs, seek medical aid.
b. On pilot EXT LT/INTR LT panel (fig. 9–129),
set ANTI COL switch to RED. Check that
left and right red anti-collision lights are
flashing.
If left and right red anti-collision lights do not flash, go
to paragraph 9–73.
If left red anti-collision light does not flash, go to
paragraph 9–74.
If right red anti-collision light does not flash, go to
paragraph 9–75.
c. Set ANTI COL switch to WHT, check that
left and right white anti-collision lights are
flashing.
If LT NAV circuit breaker (CB73) does not stay
closed, go to paragraph 9–76.
If left and right white anti-collision lights do not flash,
go to paragraph 9–77.
If left white anti-collision light does not flash, go to
paragraph 9–78.
If right white anti-collision light does not flash, go to
paragraph 9–79.
