Delta IV Heavy
Delta familyUnited Launch AllianceRetired
The Delta IV Heavy (Delta 9250H) is an expendable heavy-lift launch vehicle, the largest type of the Delta IV family, and is the world's second highest-capacity rocket in operation. It is manufactured by United Launch Alliance and was first launched in 2004.
Specifications
- Thrust
- 8,674 kN
- Height
- 72 m
- Diameter
- 5 m
- Launch mass
- 733 t
- Stages
- 2
- Launch cost
- $350M
- LEO capacity
- 28,370 kg
- GTO capacity
- 14,210 kg
- GEO capacity
- 14,500 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
16flightswith a definitive outcome
93.8%success rate15 of 16
1failureincluding partial failures
15success streakcurrent
First flight December 21, 2004 · latest April 9, 2024 · 16:53 UTC
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Delta IV Heavy flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 2004 | 0 | 1 | 1 |
| 2005 | 0 | 0 | 0 |
| 2006 | 0 | 0 | 0 |
| 2007 | 1 | 0 | 1 |
| 2008 | 0 | 0 | 0 |
| 2009 | 1 | 0 | 1 |
| 2010 | 1 | 0 | 1 |
| 2011 | 1 | 0 | 1 |
| 2012 | 1 | 0 | 1 |
| 2013 | 1 | 0 | 1 |
| 2014 | 1 | 0 | 1 |
| 2015 | 0 | 0 | 0 |
| 2016 | 1 | 0 | 1 |
| 2017 | 0 | 0 | 0 |
| 2018 | 1 | 0 | 1 |
| 2019 | 1 | 0 | 1 |
| 2020 | 1 | 0 | 1 |
| 2021 | 1 | 0 | 1 |
| 2022 | 1 | 0 | 1 |
| 2023 | 1 | 0 | 1 |
| 2024 | 1 | 0 | 1 |