Comparison of Piper PA-31 Navajo and Vought OS2U Kingfisher

Attribute	Piper PA-31 Navajo ×	Vought OS2U Kingfisher ×
General
Manufacturer	Piper Aircraft	Vought
Model	Piper PA-31 Navajo	Vought OS2U Kingfisher
Country	United States	United States
Manufactured from (year)	1967	1939
Manufactured to (year)	1984	1942
Type	Twin Turboprops	Amphibious
Icao	PA31	OS2U
Performance
Engine	2x Lycoming TIO-540-A	1x Pratt & Whitney R-985-AN2 Wasp Junior
Power, hp (hp)	310	450
Avionics	Garmin GNS 530W, Garmin 696 with XM weather, S-tek 55X autopilot w/GPSS	-
Max cruise speed (km/h)	420	276
Approach speed (km/h)	117	89
Travel range (km)	1,874	1,461
Service ceiling (m)	8,016	5,547
Rate of climb (m/sec)	7.32	4.88
Take off distance (m)	400	-
Landing distance (m)	575	-
Weights
Max take off weight (kg)	2,948	2,722
Max landing weight (kg)	2,948	2,259
Max payload (kg)	1,100	600
Fuel tank capacity (l)	719	545
Baggage volume (m³)	1.7	-
Dimensions
Seats	7	2
Cabin height (m)	1.3	-
Cabin width (m)	1.27	-
Cabin length (m)	3.27	-
Exterior length (m)	9.9	10.3
Tail height (m)	3.96	4.6
Fuselage diameter (m)	1.35	1
Wing span (m)	12.4	10.95
Wing tips	No Winglets	No Winglets