Judging by the fact the guys feet are up near the nose cone, I reckon he just puts 'em down thru' the floor boards ! ...Yup, the door is open
I've included the dude up the pointy end on this one to keep an eye on you so no cheating. If its any consolation, it's not one of my pics and until a few days ago, I didn't even know it existed !!
I've seen the complete photo somewhere very recently, but b*gg*red if I can remember what it is !
I'm tending to think 'early helicopter', but I don't think that's it.