Well- consider the "WALL" We fly along at a good clip then -chopping power and at the same time -we pitch the model and return power as needed to make a transition from say 40mph to a 25 mph forward speed recovery -OR simply balance power (vecotored flight)and AOA till the model is stationary in a vertical hover . altidude remains constant
How would you describe the event?

Not realistic?
How about the notorious OSPREY?