Definition of "KIAS"

A rolling takeoff was made, takeoff thrust was stabilized at 80 KIAS, and left rudder and right aileron were used to compensate for the right crosswind. The V1 and VR callouts were made about 2 sec after these speeds were recorded by the DFDR.

1979 December 21, National Transportation Safety Board, “1.11 Flight Recorders”, in Aircraft Accident Report: American Airlines, Inc., DC-10-10, N110AA, Chicago-O'Hare International Airport, Chicago, Illinois, May 25, 1979‎, archived from the original on 17 August 2022, page 4