It's a Kaman K-max. Heavy lifting helicopter. There's only 100 worldwide or so. No need for a tail rotor. With a full tank of fuel they can lift 8000 pounds! pic.twitter.com/98PdbFJo9A

— Graphite Czech 🇨🇿🇩🇪🇺🇸 (@CzechArtGirl) March 17, 2023