Head to head

H-IIA vs Titan IIIC

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

H-IIA: 10,000 kg

Titan IIIC: 13,100 kg

Side by side

9 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	H-IIA	Titan IIIC
Flights flown	50	36
Success rate	98%	94.4%
Payload to LEO (kg)	10,000	13,100
Payload to GTO (kg)	4,100	3,000
Liftoff thrust (kN)	2,260	10,586
Length (m)	53	42
Diameter (m)	4	3
Launch mass (t)	285	626
Stages	2	3

H-IIA

Flight record

98% success rate49 of 50 flown · 1 failed

2001peak 2017 · 6 flights2025

Maiden flight 2001-08-29. Retired.

Titan IIIC

Flight record

94.4% success rate34 of 36 flown · 2 failed

1965peak 1965 · 3 flights1982

Maiden flight 1965-06-18. Retired.

H-IIA is built by Mitsubishi Heavy Industries of Japan (company profile on Space Index).Titan IIIC is built by Lockheed Martin of the United States.

Full specifications and the complete launch history for each: H-IIA · Titan IIIC.

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.