Here's a short vid with clips of some of the hand-catches on the sailboat I was recently aboard. I was flying drones in support of beaked whale surveys and my task was to capture aerial images of the whales when they surfaced. That was a challenge in itself, but so was launching and landing on the ship. The waves made the ship roll and pitch, there was wind and rigging, so I trained two of the crew how to hand-launch and catch. It was challenging, but worked great! I used both a Mavic Pro and P4P.