night operations

White flashing lights with steady green at the same location. Dual peaked (two quick) white flashes between green flashes. Alternate white and green light flashes.

400 feet. 300 feet. 200 feet.

The other aircraft is flying away from you. The other aircraft is crossing to the left. The other aircraft is approaching head-on.

At least one, and preferably located on top of the aircraft. Three lights: two navigation lights (green and red) and one anti-collision light on top. Two lights: one on the top and one on the bottom.

Concentrate directly on each object for a few seconds. Look only at far away, dim lights. Scan slowly to permit off-center viewing.

The other aircraft is flying away from you. The other aircraft is crossing to the left. The other aircraft is crossing to the right.