| C/N | Version | Built | History |
| M55-001 | | | 81-4705 : Sikorsky S-55C, c/n 55-1224, ff?; del Mitsubishi in kit form unk; assembled as Mitsubishi S-55C, M55-001, unk; del JASDF as UH-19C 71-4705 unk; unit xfers unk; wfu & soc unk.
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| M55-002 | | | 81-4706 : Sikorsky S-55C, c/n 55-1225, ff?; del Mitsubishi in kit form unk; assembled as Mitsubishi S-55C, M55-002, unk; del JASDF as UH-19C 71-4706 unk; unit xfers unk; wfu & soc unk.
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| M55-003 | | | 91-4707 : Mitsubishi S-55C, M55-003, ff?; del JASDF as UH-19C 91-4707 unk; unit xfers unk; wfu & pre Ashiya AB as fake serial 91-4777 Sep99.
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| M55-004 | | | 91-4708 : Mitsubishi S-55C, c/n M55-004, ff?; del JASDF as UH-19C 91-4708 unk; unit xfers unk; wfu & soc unk.
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| M55-005 | | | 40018 : Mitsubishi S-55C, c/n M55-005, ff?; del JGSDF as UH-19C 40018 unk; unit xfers unk; wfu & soc unk.
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| M55-006 | | 1959 | 91-4709 : Mitsubishi S-55C, c/n M55-006, ff?; del JASDF as UH-19C 91-4709 unk; unit xfers unk; wfu & pre Hamamatsu Air Base Museum, May00.
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| M55-007 | | | 40019 : Mitsubishi S-55C, c/n M55-007, ff?; del JGSDF as UH-19C 40019 unk; unit xfers unk; wfu & soc unk.
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M55-008  | | | 40020 : Mitsubishi S-55C, c/n M55-008, ff?; del JGSDF as UH-19C 40020 unk; unit xfers unk; w/o 20Dec73.
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| M55-009 | | 1960 | 01-4710 : Mitsubishi S-55C, c/n M55-009, ff?; del JASDF as UH-19C 01-4710 unk; unit xfers unk; wfu & soc unk.
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| M55-010 | | | JA7055 : Mitsubishi-Sikorsky S-55C, c/n M55-010, ff:?; reg Japan as JA7055 unk; w/o unk.
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| M55-012 | | | 40021 : Mitsubishi S-55C, c/n M55-012, ff?; del JGSDF as UH-19C 40021 unk; unit xfers unk; wfu & soc unk.
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| M55-014 | | | 01-4711 : Mitsubishi S-55C, c/n M55-014, ff?; del JASDF as UH-19C 01-4711 unk; unit xfers unk; wfu & soc unk.
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M55-017  | | | 01-4712 : Mitsubishi S-55C, c/n M55-017, ff?; del JASDF as UH-19C 01-4712 unk; unit xfers unk; w/o 15Sep64.
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| M55-020 | | | 01-4713 : Mitsubishi S-55C, c/n M55-020, ff?; del JASDF as UH-19C 01-4713 unk; unit xfers unk; wfu & soc unk.
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M55-021  | | | 01-4714 : Mitsubishi S-55C, c/n M55-021, ff?; del JASDF as UH-19C 01-4714 unk; unit xfers unk; w/o 10May68.
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M55-022  | | | 40022 : Mitsubishi S-55C, c/n M55-022, ff?; del JGSDF as UH-19C 40022 unk; unit xfers unk; w/o 19Aug71.
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| M55-023 | | | JA7068 : Mitsubishi-Sikorsky S-55C, c/n M55-023, ff:?; reg Japan as JA7068 unk; wfu & b/u unk.
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M55-024  | | | 01-4715 : Mitsubishi S-55C, c/n M55-024, ff?; del JASDF as UH-19C 01-4715 unk; unit xfers unk; w/o 07Aug62.
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| M55-025 | | | 40023 : Mitsubishi S-55C, c/n M55-025, ff?; del JGSDF as UH-19C 40023 unk; unit xfers unk; wfu & soc unk.
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| M55-027 | | | 40024 : Mitsubishi S-55C, c/n M55-027, ff?; del JGSDF as UH-19C 40024 unk; unit xfers unk; wfu & soc unk.
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| M55-029 | | | 40025 : Mitsubishi S-55C, c/n M55-029, ff?; del JGSDF as UH-19C 40025 unk; unit xfers unk; wfu & soc unk.
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| M55-030 | | | 11-4716 : Mitsubishi S-55C, c/n M55-030, ff?; del JASDF as UH-19C 11-4716 unk; unit xfers unk; wfu & pre Omi-mura Oct99; removed ~2004, fate unk.
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M55-031  | | | 11-4717 : Mitsubishi S-55C, c/n M55-031, ff?; del JASDF as UH-19C 11-4717 unk; unit xfers unk; w/o 02Aug67.
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| M55-032 | | | JA7155 : Mitsubishi-Sikorsky S-55C, c/n M55-032, ff:?; reg Japan as JA7155 unk; wfu & b/u unk.
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| M55-033 | | | 11-4718 : Mitsubishi S-55C, c/n M55-033, ff?; del JASDF as UH-19C 11-4718 unk; unit xfers unk; wfu & soc unk.
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| M55-035 | | | 40026 : Mitsubishi S-55C, c/n M55-035, ff?; del JGSDF as UH-19C 40026 unk; unit xfers unk; wfu & soc unk.
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| M55-036 | | | 40027 : Mitsubishi S-55C, c/n M55-036, ff?; del JGSDF as UH-19C 40027 unk; unit xfers unk; wfu & soc unk.
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| M55-037 | | | 11-4719 : Mitsubishi S-55C, c/n M55-037, ff?; del JASDF as UH-19C 11-4719 unk; unit xfers unk; wfu & soc unk.
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| M55-038 | | | 40028 : Mitsubishi S-55C, c/n M55-038, ff?; del JGSDF as UH-19C 40028 unk; unit xfers unk; wfu & soc unk.
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| M55-039 | | | 11-4720 : Mitsubishi S-55C, c/n M55-039, ff?; del JASDF as UH-19C 11-4720 unk; unit xfers unk; wfu & soc unk.
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| M55-040 | | | 11-4721 : Mitsubishi S-55C, c/n M55-040, ff?; del JASDF as UH-19C 11-4721 unk; unit xfers unk; wfu & pre Gifu AB Museum, Apr83.
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| M55-041 | | | 40029 : Mitsubishi S-55C, c/n M55-041, ff?; del JGSDF as UH-19C 40029 unk; unit xfers unk; wfu & pre Kasuminome JGSDF Camp, NEH, Apr98; removed Jul04, status unk.
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| M55-042 | | | 40030 : Mitsubishi S-55C, c/n M55-042, ff?; del JGSDF as UH-19C 40030 unk; unit xfers unk; wfu & soc unk.
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| M55-045 | | | 40031 : Mitsubishi S-55C, c/n M55-045, ff?; del JGSDF as UH-19C 40031 unk; unit xfers unk; wfu & soc unk.
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