| Answer | Crossword Clue |
|---|---|
| finned | airfoil attached to an airplane for directional stability |
| finlike | airfoil attached to an airplane for directional stability |
| elevator | movable airfoil usually attached to the tailplane of an airplane for controlling pitch see airplane illustration |
| slot | passage through the wing of an airplane or of a missile that is located usually near the leading edge and formed between a main and an auxiliary airfoil for improving flow conditions over the wing so as to increase lift and delay stalling of the wing |
