In a Swiss001 video, he said that the Twin OtterTwin Otter was a GAgeneral aviation (GA) plane. But then in another video, he said that the twin otterTwin Otter was an airlinerairliner. Obviously, he's not a credible source, but it does make me wonder: canCan airliners be GA aircraft planes at the same time?
(I mean, some airlinessome airlines do operate King AirsKing Airs to remote destinations)