| Answer | Crossword Clue |
|---|---|
| WISP | Start of a smoke signal |
| ADIREFIREWIRE | Words for a cabled smoke signal |
| ALARM | Smoke signal? |
| SOS | Certain smoke signal |
| SOS | Smoke signal message, maybe |
| CUE | Signal to start |
| HITIT | Signal to start |
| TONE | Signal to start talking |
| BELLOFTHEBALL | Signal to start partying? |
| TONE | Signal to start speaking, perhaps |
| TOOTH | After tugboat's signal, start to hoist bridge section? (5) |
