Comparison of Bristol Belvedere and Sikorsky S-70B Seahawk

Attribute	Sikorsky S-70B Seahawk ×	Bristol Belvedere ×
General
Manufacturer	Sikorsky Helicopter	Bristol Aeroplane Company
Model	Sikorsky S-70B Seahawk	Bristol Belvedere
Country	United States	United Kingdom
Manufactured from (year)	1984	1960
Manufactured to (year)	-	1962
Type	Military Helicopters	Military Helicopters
Icao	H60	-
Performance
Engine	2x 2 X General Electric T700-GE401C	2x Napier Gazelle N.Ga.2
Power, hp (hp)	1,890	1,465
Avionics	Rockwell Collins glass cockpit, BAE Systems	-
Max cruise speed (km/h)	270	222
Travel range (km)	833	741
Fuel economy (km/l)	0.333	-
Service ceiling (m)	3,658	3,658
Rate of climb (m/sec)	8.38	4.32
Weights
Max take off weight (kg)	9,927	8,618
Max payload (kg)	2,725	2,700
Fuel tank capacity (l)	2,249	2,608
Dimensions
Seats	12	22
Cabin height (m)	1.3	-
Cabin width (m)	1.8	-
Cabin length (m)	3.2	-
Exterior length (m)	19.76	27.36
Tail height (m)	5.18	5.26
Fuselage diameter (m)	2.1	1.9
Wing span (m)	16.36	14.91
Wing tips	No Winglets	No Winglets