A fair number of those pictures are taken directly / also apprear in
"Icarus: The Boat That Flies", John GroganoInterestinly, this boat
is incorrectly titled, it is not "Longbow", but "Blue Arrow", which was not a flying boat at all.
Blue Arrow used foils to support a single centre hull (boat needed float tanks when it was not moving or it would just fall over !)
Leaward foil was set to provide lift and windward foil was set to provide downforce and both foils stayed in the water to provide stability. THis boat looked like it was going to totally "change the Rules" of how radical boats migh be designed in the future, however the boat broke up before entering any serious races and the sponsers did not have the time/money or commitment (not sure which) to continue.