| Answer | Crossword Clue |
|---|---|
| ECH | Aircraft formation: Abbr. |
| STOL | Aircraft abbr. |
| ALT | Aircraft abbr. |
| ISL | Geographic formation: Abbr. |
| ECH | Airplane formation: Abbr. |
| ECH | Flight formation: Abbr. |
| ECH | Plane formation: Abbr. |
| ECH | Flying formation: Abbr. |
| WGS | Aircraft parts: Abbr. |
| LAA | Light anti-aircraft: Abbr. |
| LTA | Kind of aircraft: Abbr. |
| VTOL | Aircraft that doesn't taxi: Abbr. |
| STOL | Abbr. for an aircraft not needing a long runway |
| NAV | Science of directing the course of an aircraft: Abbr. |
