| Answer | Crossword Clue |
|---|---|
| ALFA | Control tower's "A" |
| RADARS | Devices in control towers |
| RADARBLIPS | They're seen in control towers |
| RADARBLIPS | They're seen in air traffic control towers |
| TRESTLES | Supporting towers for a bridge |
| PAVIA | Italy's "City of a Hundred Towers" |
