Question ATPL - Airline Transport Pilot license - Air Law

414 - ATPL - At night an aircraft observes a luminous signal requesting help. To indicate that he has received these ground signals, the pilot must:

Make at least one complete turn over the group of people in difficulty.

Switch his landing lights on and off twice or, if he is not so equipped, his navigation lights twice.

Fly over the group of people in difficulty as low as possible.

Transmit, by luminous Morse signal, a series of the letter 'R' using his navigational lights.