| HEIGHT | Altitude, ... at which a plane flies |
| ALT | Height at which a plane flies for short |
| SKY | Where a plane flies |
| ONAIR | Broadcast - like how a plane flies (2,3) |
| LOOP | A coil in string or yarn; a picot; a jubilee clip; or, a manoeuvre in which a plane describes a circle in the air (4) |
| EXOCET | French-manufactured tactical missile which travels at a very low altitude at high subsonic speed (6) |
| BARRELROLL | Stunt in which a plane follows a spiral course |
| OFT | Frequently at no altitude at all |
| FULCRUM | By which a plane might be identified (7) |
| FOLIAGE | By which a plane might be identified (7) |
| COBALT | Deep blue swan gains altitude at first (6) |
| ELEPHANTINE | Huge and bulky, the plane flies in, on time at last (11) |
| AIRSPACE | Where plane flies and exhibits speed (8) |
| PLEASANCE | As plane flies, coming to this foreign secret garden |
| PERSONAL | Own plane flies, with royal, therefore, on board (8) |
| NEPAL | Plane flies around mountainous country |
| LAPAZBOLIVIA | Witnesses heard her discussing the high altitude at the Plaza Murillo in ___ |
| GALLOP | Faster than a canter, pace at which a horse runs a flat race at an average speed of around 30mph (6) |
| AUDITION | A test at which a performer or musician is asked to demonstrate their ability for a particular role (8) |
| CROSSROADS | A carrefour or junction where streets intersect, hence a figurative turning point, at which a crucial decision must be made (10) |
