Bingo. That's ONE aircraft over sea on an alpha version of the sim, maybe the map is not even the size we currently have.
I think they've got a lot of stuff like that tucked away for when the core engine is better optimized and PCs get faster.
Just like it was with the original IL2, enhanced water and crews on AA guns were there pretty early on according to an interview by Oleg Maddox, but it took years until they told us "hey guys, you can go into conf.ini and set water=3 to get nice looking rivers and stuff", because initially no PC could run it.
Well, we'll see how it goes