anticollision light

anticollision light

anticollision lightclick for a larger image
Typical anti-collision light installation in a fin & belly.
A flashing light fitted on the vertical fin and belly of an aircraft. It increases an aircraft's visibility to other aircraft in flight especially at night and in poor visibility conditions. The high-intensity light is visible 360° around the aircraft.
References in periodicals archive ?
During the climb checklist, I called out "lights" and reached up and shifted the anticollision light switch from upper-only to both.
Passing the 180-degree position on the downwind leg, just as the H2P started the turn toward final, the HAC realized they hadn't secured the anticollision lights, the normal procedure once the aircraft entered the pattern.
I briefly turn on the overt anticollision lights for good measure.