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Military Aircraft

Lockheed L-1011 TRISTAR / K.Mk 1

Photo By Coll B. Thouanel
The Tri-Star was developed as a wide body airliner and flew in November 1970 The last of 250 aircraft was completed in August 1983. The only type to have entered military service is the L-1011-500 with active flight controls to reduce the plane's gust sensitivity. The Royal Air Force bought six from British Airways and three from Pam Am for conversion into long range transport and tankers to over come a shortfall revealed in the Falklands war of 1982. The first Tri-Star K.Mk 1 conversion flew in July 1985 with additional tank age in the under floor cargo hole, twin hose and drogue units in the rear fuselage, and prevision for a pair of similar units under the wing. Four such aircraft entered service from March 1986 with No. 216 Squadron at RAF Brize Norton, the other aircraft being completed to two slightly different standards.

 

 

TECHNICAL DATA

Description Specifications
Manufacturer: Lockheed Length: 164 ft. 2.5 in. excluding probe
First Flight: Conversion flew July 1985 Height: 55 ft. 4 in.
Model: 1 Wing Span: 164 ft. 4 in.
Crew:  Three. Wing Area: 390.0 sq. ft.
Nickname: Tri-Star Empty Weight: 242,864 lb.
Basic Role: Transport and in flight refueling tanker. Max. Weight: 540,000 lb. 
Other Versions: Tri-Star K.Mk 1 initial tanker conversion. Tri-Star KC.Mk 1 two similar aircraft with large freight doors and provision for 194 seats an the strengthened floor. Tri-Star K.Mk 2 three ex Pan Am aircraft to K.Mk 1 standard with slightly less fuel. Payload: 204 passengers or 98,110 lb. of freight.
Principal User: Great Britain

Propulsion

Performance

Power Plant:  Rolls Royce RB.211-524B4 turbofans.
Range: 4,835 miles. Horsepower: 50,000-lb thrust.
Max. Speed: 600 mph. No. Of Engines: Three
Ceiling: 43,000 ft.  
Climb Rate:   

 

 

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