The most common and most likely answer to this crossword clue is the 5 letter word ROTOR which also is the latest solution we found used in New York Times in 1986.
Helicopter's sine qua non crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| ROTOR | 100 % | 5 |
Words with a meaning similar to the clue: Helicopter's sine qua non
These words may or may not be a possible solution to this crosswords clue.- essential
- indispensable
- necessity
- must
- keystone
- need
- key
- prerequisites
- alertness
- needs
- sine qua non
- port
Crossword Answer definitions
ROTOR noun- A rotating part of a mechanical device, for example in an electric motor, generator, alternator or pump.
- The wing of a helicopter or similar aircraft.
- A quantity having magnitude, direction and position.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution