Question id 136 - Air Law - ATPL - Airline Transport Pilot license

40 % of the co-pilot flight time towards, the total flight time required for a higher grade of a pilot licence
50 % of the co-pilot flight time towards the total flight time required for a higher grade of pilot licence
60 % of the co-pilot flight time towards, the total flight time required for a higher grade of a pilot licence
100 hours of flying time required for a higher grade of a pilot licence