night operations

by using proper night scanning techniques and using peripheral vision. by staying in the dark for 30 minutes. by staring at the sUAS for extended periods of time.

400 feet. 300 feet. 200 feet.

look to the side of the object and scan rapidly. look to the side of the object and scan slowly. scan the visual field very rapidly.

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.

Set the screen brightness to the maximum value to make sure your vision is adapted early on. Avoid staring at bright lights and use red/green flashlights for preflight inspection. Turn off all lights during takeoff, including the strobe lights.

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

Avoid red lights at least 30 minutes before the flight. Wear sunglasses after sunset until ready for flight. Avoid bright white lights at least 30 minutes before the flight.

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.

a series of short, regularly spaced eye movements to search each 30-degree sector. peripheral vision by scanning small sectors and utilizing off-center viewing. regularly spaced concentration on the 3-, 9-, and 12-o’clock positions.