11 Facts About L-1011

Lockheed L-1011 TriStar, known as the L-1011 and TriStar, is an American medium-to-long-range, wide-body trijet airliner built by the Lockheed Corporation.

The research undertaken during the design of the L-1011 indicated that losses of using an S-duct were more than compensated for by the above savings.

L-1011 was the first jetliner to have an integrated drive generator.

FMS on the L-1011, certified by the FAA in September 1977, offered many features that have since become common.

L-1011 featured a highly advanced autopilot system and was the first widebody to receive FAA certification for Cat-IIIc autolanding, which approved the TriStar for completely blind landings performed by the aircraft's autopilot in zero-visibility weather.

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The L-1011 used an inertial navigation system to navigate; this included aligning the navigation system by entering current coordinates of longitude and latitude.

The L-1011 was certified on April 14,1972, with the first airliner delivered to Eastern Air Lines on April 26,1972.

The L-1011 has been involved in five fatal accidents, only one of which was due to a problem with the aircraft.

In later years the L-1011 has been used by smaller start-up carriers, particularly in Africa and Asia.

Two L-1011 aircraft delivered to Pacific Southwest Airlines were configured with internal airstair doors that led into an entry hall in what was normally the forward lower baggage hold.

The last L-1011 produced was a TriStar 500, operated by the Las Vegas Sands.