Comparison of Piper PA-61 Aerostar and Vought OS2U Kingfisher

Attribute	Piper PA-61 Aerostar ×	Vought OS2U Kingfisher ×
General
Manufacturer	Piper Aircraft	Vought
Model	Piper PA-61 Aerostar	Vought OS2U Kingfisher
Country	United States	United States
Manufactured from (year)	1967	1939
Manufactured to (year)	1984	1942
Type	Twin Turboprops	Amphibious
Icao	PA61	OS2U
Performance
Engine	2x Lycoming IO-540-K	1x Pratt & Whitney R-985-AN2 Wasp Junior
Power, hp (hp)	290	450
Avionics	Dual Collins VHF-250 , Dual VIR-350 etc.	-
Max cruise speed (km/h)	444	276
Approach speed (km/h)	137	89
Travel range (km)	1,969	1,461
Service ceiling (m)	7,620	5,547
Rate of climb (m/sec)	9.14	4.88
Take off distance (m)	759	-
Landing distance (m)	619	-
Weights
Max take off weight (kg)	2,721	2,722
Max landing weight (kg)	2,721	2,259
Max payload (kg)	930	600
Fuel tank capacity (l)	670	545
Baggage volume (m³)	0.85	-
Dimensions
Seats	6	2
Cabin height (m)	1.22	-
Cabin width (m)	1.25	-
Cabin length (m)	3.8	-
Exterior length (m)	10.61	10.3
Tail height (m)	3.7	4.6
Fuselage diameter (m)	1.35	1
Wing span (m)	11.18	10.95
Wing tips	No Winglets	No Winglets