Comparison of Grumman Gulfstream I and Yakovlev Yak-40

Attribute	Grumman Gulfstream I ×	Yakovlev Yak-40 ×
General
Manufacturer	Grumman	Yakovlev
Model	Grumman Gulfstream I	Yakovlev Yak-40
Country	United States	Russia
Manufactured from (year)	1959	1967
Manufactured to (year)	1969	1981
Type	Twin Turboprops	Light Passenger Jets
Icao	G159	YK40
Performance
Engine	2x Rolls-Royce Dart 529-8X	3x Ivchenko AI-25
Power, hp (hp)	2,185	3,300
Avionics	Collins VHF comms and VHF navs	-
Max cruise speed (km/h)	559	556
Approach speed (km/h)	-	222
Travel range (km)	4,093	1,796
Service ceiling (m)	10,241	7,925
Rate of climb (m/sec)	9.65	8
Take off distance (m)	1,508	1,000
Landing distance (m)	1,066	640
Weights
Max take off weight (kg)	15,921	16,000
Max landing weight (kg)	15,551	15,500
Max payload (kg)	1,271	2,700
Fuel tank capacity (l)	5,459	3,899
Baggage volume (m³)	2.83	-
Dimensions
Seats	24	32
Cabin height (m)	1.86	1.85
Cabin width (m)	2.23	2.15
Cabin length (m)	9.91	7.7
Exterior length (m)	19.48	20.36
Tail height (m)	-	6.5
Fuselage diameter (m)	-	2.25
Wing span (m)	23.96	25
Wing tips	No Winglets	No Winglets