Igor ___, US aeronautical engineer who designed the first four-engined aeroplane (1913) and the first successful helicopter (1939)
Let's find possible answers to "Igor ___, US aeronautical engineer who designed the first four-engined aeroplane (1913) and the first successful helicopter (1939)" crossword clue. First of all, we will look for a few extra hints for this entry: Igor ___, US aeronautical engineer who designed the first four-engined aeroplane (1913) and the first successful helicopter (1939). Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.
Related clues
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Possible answers
- S
- I
- K
- O
- R
- S
- K
- Y