Acme Aircraft Co was an aircraft manufacturer founded by Hugh Crawford and Roger Keeney in Torrance, California. After 1953 the company was known as Sierradyne.
Sierradyne
42 words updated Jun 19, 2026, 12:27 PM
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Acme Aircraft Co was an aircraft manufacturer founded by Hugh Crawford and Roger Keeney in Torrance, California. After 1953 the company was known as Sierradyne.