Stop moving forward, verify telemetry, then start climbing if possible. Declare an emergency on your portable radio on 121.5 MHz. Initial the return-to-home procedure immediately.

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

The other aircraft is crossing to the right. The other aircraft is approaching head-on. The other aircraft is crossing to the left.

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.

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.

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.

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.