Domanda 137, Air Law - ATPL - Airline Transport Pilot license

5 hours of night flight time including 5 take-offs and 5 landings either as pilot in command or as co-pilot
5 hours of night flight time including 5 take-offs and 5 landings as pilot in command
5 hours of night flight time including 3 take-offs and 5 landings as pilot in command
5 hours of night flight time including 3 take-offs and 3 landings as pilot in command