From The Luftwaffe Profile Series No 6 - Flettner FL 282
How to tell if it's a 1 vs 2 seater are the fuel tanks. In order to accommodate the 2nd person, the fuel tanks were removed from the body and replaced with 2 cylindrical fuel tanks on either side of the cockpit.
To take off, the motor was ran at full power while the aircraft was tethered. The tether was then released causing it to leap upward (jump take-off).
In event the engine failed, the craft automatically switched to auto rotation so the pilot could escape.
The seat had an area to the pilots parachute would fit in.
The Fl 282U was designed to be carried by large U-Boats (trials on U-617).
It took up very little space, 10 could fit into the same space required by a conventional shipboard aircraft.
To land - especially in rough weather, a rope would be dropped from a height of 10 meters. The rope was passed through a pulley and pulled taught by hand, which would allow the helicopter to match the up and down movement of the ship.
During a test with a convey, one was able to make out all 12 U-Boats underwater sent to intercept it. This was easier in the MTO due to the water being clearer.
Experimental weapons included Vemag 2 vertical magazines for 5kg anti-sub bombs.
"A mock combat between the Fl 282 (Flettner company pilot Fuisting) and a FW 190 (pilot Ltn. Eisenlohr of E.Kdo.25) tool place at Schewidnitz on 22/6/44, in order to investigate the chances of a fighter hitting the helicopter. At present the evaluation of the film and the pilot reports have not yet arrived. At heights above 100m the fighter was able to get the helicopter in it's sights briefly. Near the ground, especially in difficult terrain, the fighter has little chance against a helicopter." pg 6
I'll try to scan some of the more interesting pics and post.