All information posted here is believed to be correct, but without any guarantees.
If you have any corrections or comments, please e-mail them to Ryosuke Yano . The Lockheed L-1011 TriStar was conceived one of the most technologically advanced airliners at its time in the 1970s. This section brings you the special features and technologies incorporated in the L-1011. They provide a way for the pilot to create inflight drag to slow airspeed by deploying these boards or panels in the air. The maximum deployment angle is 45 degrees.