400 feet. 300 feet. 200 feet.

The sUAS must be equipped with anti-collision lighting visible from at least 3 statute miles. The sUAS must be equipped with anti-collision lighting visible for at least 5 statute miles. The sUAS must be equipped with navigation lights

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

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