As of November 30, 2023, the turboshaft engines T58-10/-140 were the aircraft engines most produced under license by the Japanese aircraft industry, adding up to *** units since the first delivery. The contractor for these General Electric helicopter engines was IHI Corporation; they were mounted on the Sikorsky S-62 and Kawasaki V-107A (originally Boeing Vertol 107).
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SJAC. (August 13, 2025). Number of defense-related aircraft engines produced under license by the aircraft industry in Japan as of November 2023, by model [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1294569/japan-major-aircraft-engine-number-license-built/
SJAC. "Number of defense-related aircraft engines produced under license by the aircraft industry in Japan as of November 2023, by model." Chart. August 13, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1294569/japan-major-aircraft-engine-number-license-built/
SJAC. (2025). Number of defense-related aircraft engines produced under license by the aircraft industry in Japan as of November 2023, by model. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1294569/japan-major-aircraft-engine-number-license-built/
SJAC. "Number of Defense-related Aircraft Engines Produced under License by The Aircraft Industry in Japan as of November 2023, by Model." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 13 Aug 2025, /statistics/1294569/japan-major-aircraft-engine-number-license-built/
SJAC, Number of defense-related aircraft engines produced under license by the aircraft industry in Japan as of November 2023, by model ÌÇÐÄÆƽâ°æ, /statistics/1294569/japan-major-aircraft-engine-number-license-built/ (last visited July 25, 2026)
Number of defense-related aircraft engines produced under license by the aircraft industry in Japan as of November 2023, by model [Graph], SJAC, August 13, 2025. [Online]. Available: /statistics/1294569/japan-major-aircraft-engine-number-license-built/
