| Answer | Crossword Clue |
|---|---|
| CODER | Pilot's signal-sending device |
| DUPINGBATS | Sending out a radar-jamming signal? |
| signaling | the act of sending a signal |
| signalings | SIGNALING, the act of sending a signal |
| AIRALERT | Signal to combat pilots |
| BEAM | Radio signal for pilots. |
| beam | constant directional radio signal transmitted for the guidance of pilots |
