split flap

split flap

[′split ′flap]
(aerospace engineering)
A hinged plate forming the rear upper or lower portion of an airfoil; the lower portion may be deflected downward to give increased lift and drag; the upper portion may be raised over a portion of the wing for the purpose of lateral control.
References in periodicals archive ?
Tenders are invited for Replacement of existing Split Flap type Train display boards with RDSO approved
The IP, AC, and FE also determined the safest landing configuration combining the asymmetrical and split flap checklists.
Tenders are invited for Replacement of existing Split Flap type Train display boards with RDSO approved 5 Line LED type train display boards at KLK JUD RPJ and SIR Railway stations over Ambala division & AMC 2.
Replacement of existing Split Flap type Train display boards with RDSO approved Five line LED type train display Boards at Kalka Jagadhari Rajpura & Sirhind Railway stations over UMB Division and AMC.