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
0failuresincluding partial failures
9success streakcurrent
First flight August 12, 1986 · latest February 11, 1992
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for H-1 flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1986 | 1 | 0 | 1 |
| 1987 | 1 | 0 | 1 |
| 1988 | 2 | 0 | 2 |
| 1989 | 1 | 0 | 1 |
| 1990 | 2 | 0 | 2 |
| 1991 | 1 | 0 | 1 |
| 1992 | 1 | 0 | 1 |