| Answer | Crossword Clue |
|---|---|
| REV | Turn of an airplane motor. |
| HUM | Sound of an airplane motor. |
| wipers | usually motor-driven arm with a flexible blade for wiping a window (as the windshield of an automobile or airplane) |
| volplane | to glide toward the earth in an airplane, with no motor power or with the power shut off |
| chandelle | (French) an abrupt, climbing turn of an airplane to perform this manoeuvre |
| DRONE | Airplane motor sound. |
