The flying Boat!  
Take-off: 230Kias 
stall: 150Kias. 
Use group 3 to activate main gear. (use 2/3 down VTOL for T/O)
Use group 1 to activate flaps. (deactivae gear use vtol for flaps)
It's a little tricky to takoff from water but play with the flap settings.
        
Specifications
General Characteristics
- Created On Windows
 - Wingspan 62.9ft (19.2m)
 - Length 41.4ft (12.6m)
 - Height 21.3ft (6.5m)
 - Empty Weight 16,023lbs (7,268kg)
 - Loaded Weight 25,951lbs (11,771kg)
 
Performance
- Horse Power/Weight Ratio 0.231
 - Wing Loading 36.8lbs/ft2 (179.6kg/m2)
 - Wing Area 705.4ft2 (65.5m2)
 - Drag Points 6528
 
Parts
- Number of Parts 123
 - Control Surfaces 11
 - Performance Cost 599