| Answer | Crossword Clue |
|---|---|
| NINER | Number used by pilots |
| ONE | Number of seasons played by baseball's Seattle Pilots |
| AIRSOCK | Device used by pilots |
| PIN | Number used by many |
| BASESIXTY | Number system used by the Babylonians |
| ETHER | Number no longer used? |
| ETHER | Number no longer used |
| ETHER | Number that's no longer used |
| DROVE | Used a number 1 wood |
| PARRED | Used the expected number of strokes |
| TEN | Number used to mean several, many. |
| ORDINAL | Number used as a street name |
| MACH | Number used in measuring the speed of sound |
| ETHER | Number that might be used when counting backward from 100? |
