Comparison of Boeing YAL-1 and Lockheed L-1011 TriStar 500

Attribute	Boeing YAL-1 ×	Lockheed L-1011 TriStar 500 ×
General
Manufacturer	Boeing	Lockheed Martin Aeronautics
Model	Boeing YAL-1	Lockheed L-1011 TriStar 500
Country	United States	United States
Manufactured from (year)	2002	1968
Manufactured to (year)	2002	1984
Type	Military Aircraft	Mid Size Passenger Jets
Icao	YAL1	L101
Performance
Engine	4x 4 X Pratt And Whitney PW 4062	3x 3 x Rolls-Royce RB.211-524B
Power, lbf (lbf)	63,300	50,000
Max cruise speed (km/h)	900	972
Travel range (km)	8,232	9,906
Fuel economy (km/l)	0.039	0.059
Service ceiling (m)	13,746	13,106
Rate of climb (m/sec)	-	14.33
Take off distance (m)	3,018	2,426
Landing distance (m)	2,300	1,734
Weights
Max take off weight (kg)	396,893	231,332
Max payload (kg)	112,629	42,003
Fuel tank capacity (l)	216,847	119,778
Baggage volume (m³)	-	420
Dimensions
Seats	6	246
Seats - business class	2	253
Seats - first class	-	234
Cabin height (m)	-	2.4
Cabin width (m)	-	5.8
Cabin length (m)	-	41.4
Exterior length (m)	70.6	50.05
Tail height (m)	19.4	16.8
Fuselage diameter (m)	-	6
Wing span (m)	64.9	50.1
Wing tips	No Winglets	No Winglets