H-I
Mitsubishi Heavy IndustriesRetired
The H-1 was a Japanese liquid-fuelled carrier rocket, consisting of a license-produced American First Stage and set of booster rockets and all-Japanese upper stages. It replaced the N-II and was subsequently replaced by the H-2 which has the same upper stages with a Japaense first stage.

Specifications
- Height
- 42 m
- Diameter
- 2.44 m
- Launch mass
- 142 t
- Stages
- 3
- LEO capacity
- 3,200 kg
- GTO capacity
- 1,100 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
9flightswith a definitive outcome
100%success rate9 of 9
9success streakcurrent
Counted from padside's own launch record, the same basis as the stats page.