Noun
tailplane (plural tailplanes)
A horizontal airfoil, at the rear of an aircraft, to which the elevator is attached; usually associated with the tailfin
A short boom at the rear of the cabin had a central fin and twin toed in fins at the ends of the tailplane mainly for use during auto-rotation. Source: Internet
Bulkhead number seven carried the fittings and loads for the tailplane and rudder. Source: Internet
But in order to achieve trim, stability and control, most fixed-wing types have an empennage comprising a fin and rudder which act horizontally and a tailplane and elevator which act vertically. Source: Internet
In an attempt to smooth the air flow and deflect it from forcefully striking the tailplane, non-retractable slots fitted to the inner engine nacelles and to the leading edge of the tailplane were experimented with. Source: Internet
The all-moving tailplane was given 23° of anhedral to improve control at high angles of attack while still keeping the tailplane clear of the engine exhaust. Source: Internet
The position of the tailplane relative to the fin(s) and the shape of the fin are other attributes. Source: Internet