PDR - you spotter!
Focke Achgelis Fa 330
It was flown as a kite towed by the submarine on a 150 metre cable, and could be quickly assembled or dismantled and stowed through a U-boat hatch. It could be deployed on the deck by two people. The rotor blades were set in motion by a pull cord, or by hand if there was enough wind. The kite would then be deployed behind the U-boat with its observor pilot aboard, raising him 120 metres above the surface where he could see much further. To bring it back in the towing cable was pulled by a winch. When the aircraft landed the rotor was stopped with a brake. Two to three members of the crew were trained to use the Fa 330...................
except when there was an emergency "dive" required......
