🚀Launchpad

H-I

Mitsubishi Heavy Industries

Manufacturer
Mitsubishi Heavy Industries
Maiden flight
1986-08-12
Length
42 m
Diameter
2.44 m
Payload to LEO
3,200 kg
Payload to GTO
1,100 kg
Launches
9
Successful
9

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.