Long March 3B/YZ-1
Long March familyChina Aerospace Science and Technology CorporationActive
The Long March 3B is a Chinese orbital carrier rocket. Introduced in 1996, it is launched from Launch Area 2 and 3 at the Xichang Satellite Launch Center in Sichuan. A three-stage rocket with four strap-on liquid rocket boosters, it is currently the most powerful member of the Long March rocket family and the heaviest of the Long March 3 rocket family, and is mainly used to place communications satellites into geosynchronous orbits.

Specifications
- Thrust
- 5,923 kN
- Height
- 54.8 m
- Diameter
- 3.35 m
- Launch mass
- 425 t
- Stages
- 3
- Launch cost
- $70M
- LEO capacity
- 11,500 kg
- GTO capacity
- 5,100 kg
- GEO capacity
- 2,000 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
15flightswith a definitive outcome
100%success rate15 of 15
0failuresincluding partial failures
15success streakcurrent
First flight July 25, 2015 · latest September 19, 2024 · 01:14 UTC
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Long March 3B/YZ-1 flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 2015 | 1 | 0 | 1 |
| 2016 | 0 | 0 | 0 |
| 2017 | 1 | 0 | 1 |
| 2018 | 8 | 0 | 8 |
| 2019 | 3 | 0 | 3 |
| 2020 | 0 | 0 | 0 |
| 2021 | 0 | 0 | 0 |
| 2022 | 0 | 0 | 0 |
| 2023 | 1 | 0 | 1 |
| 2024 | 1 | 0 | 1 |