ATPL: For a distance of 1860 NM between Q and R, a ground speed 'out' of 385 kt, a ground speed 'back' of 465 kt and an endurance of 8 HR (excluding reserves) the distance from Q to the point of safe return (PSR) is:
Question 545, General Navigation - ATPL - Airline Transport Pilot license
Explanation: For a distance of 1860 NM between Q and R, a ground speed 'out' of 385 kt, a ground speed 'back' of 465 kt and an endurance of 8 HR (excluding reserves) the distance from Q to the point of safe return (PSR) is:
EN 