Smithsonian Report, 1954. — Loening 



Plate 4 



1. The world's-rccord supermarinc seaplane (l':>2'>). Necessary propeller clearance and 

 high center of gravity made this a heavy, awkward plane, with greatly added head 

 resistance. 



2. Convair Sea Dart. Jet engines and skis accuinplish this change from an awkward Huat 

 seaplane to a sleek supersonic design that suffers no disadvantage from being water-based, 

 and has many advantages. 



