Aerosinusitis. Aerotitis. Hyperventilation.
slowing the breathing rate, breathing into a bag, or talking aloud. increasing the breathing rate in order to increase lung ventilation. closely monitoring the flight instruments to control the airplane.
Contact the controlling agency and request approval. Submit a LAANC request if available. Submit all requests via the FAA DroneZone website.
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.
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.
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.
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.