Comparison of Bell AH-1Z Viper and Eurocopter EC175

Attribute	Eurocopter EC175 ×	Bell AH-1Z Viper ×
General
Manufacturer	Eurocopter	Bell Helicopter
Model	Eurocopter EC175	Bell AH-1Z Viper
Country	France	United States
Manufactured from (year)	2009	2008
Type	Large Helicopters	Military Helicopters
Icao	ZZZZ	AH1Z
Performance
Engine	2x 2 X Pratt & Whitney PT6C-67E	2x 2 × General Electric T700-GE-401C turboshaft
Power, hp (hp)	1,776	1,800
Avionics	-	THALES Avionics TopOwl HMS/D
Max cruise speed (km/h)	296	370
Travel range (km)	1,082	685
Fuel economy (km/l)	0.113	0.68
Service ceiling (m)	6,096	6,096
Rate of climb (m/sec)	18.29	14.17
Weights
Max take off weight (kg)	7,800	8,392
Max payload (kg)	2,722	2,614
Fuel tank capacity (l)	2,725	1,561
Baggage volume (m³)	2.35	-
Dimensions
Seats	16	2
Cabin height (m)	1.4	-
Cabin width (m)	2.1	-
Cabin length (m)	4.1	-
Exterior length (m)	18.06	17.67
Tail height (m)	5.3	4.31
Fuselage diameter (m)	-	0.83
Wing span (m)	14.8	14.6
Wing tips	No Winglets	No Winglets