engine cowl flap

cowl flap

cowl-flap angle

split flap / split-flap

flap slat CTL lever / flap and slat control lever

trailing edge flap (T.E. flap)

engine capacity / engine power, engine output

cowl

cowl ledge lacing

cowl mounting bracket

cowl shoulder

cowl-mount antenna

airfoil and cowl ice protection system

cowl flaps

cowl lamp light

reaction engine / motor (jet engine)

rotary engine (Wankel engine)

engine ground run / engine test

engine oil reservoir / engine oil tank

dive flap

flap

flap damping

flap plate (of gun shield)

air flap

brake flap

cooling flap

differentially operated flap

double-slotted flap

extended flap

extension flap

flap extension

flap carriage

flap deflector