VLS-1 V03
Third VLS-1 launch attempt ended in deadly pad explosion; ranked among the worst space-related accidents but not the fourth deadliest overall.
VLS-1 V03 was the designation for the third attempted flight of Brazil's VLS-1 rocket, which ended in a catastrophic accident on August 22, 2003, at the Alcântara Launch Center. The rocket ignited prematurely on its launch pad, killing 21 people. While often cited as one of the deadliest space exploration-related disasters, it is not the fourth deadliest when including ground-based accidents such as the Nedelin disaster.
Quick Facts
- Date
- 2003-08-22
- Time
- 13:26:06 BRT (UTC-3)
- Location
- Alcântara Launch Center, Maranhão, Brazil
- Deaths
- 21
- Outcome
- Setback to the Brazilian space program with the death of 21 technicians and destruction of launch vehicle and structure (launch pad and launch tower)
Facts from the source article.
Lore & Background
The VLS-1 rocket was proposed in 1979 and had two prior launch attempts: one in 1997 that failed due to a first-stage engine not starting, and another in 1999 that was destroyed remotely after a flame penetrated the second stage. For V03, the operation aimed to launch the UNOSAT and SATEC satellites into a circular orbit at 750 km altitude. The rocket was valued at US$7 million and weighed 50 metric tons, 90% of which was solid fuel (ammonium perchlorate).
Reader's Guide
The VLS-1 V03 accident occurred three days before the scheduled launch, at 1:26:06 pm Brasília time, when an unplanned ignition of a first-stage engine destroyed the rocket on the pad. The mobile integration tower was not removed in time, and the resulting fire and gases heated to 3,000 °C killed 21 people. The accident significantly delayed the Brazilian space program. An investigation led by the Brazilian Air Force, with Russian technical assistance, found no evidence of sabotage, though allegations of espionage and funding constraints were raised. The disaster highlighted safety failures, as the number of personnel at the base far exceeded the standard limit of six.
Did You Know?
- The accident occurred between frames 26 and 27 of the closed-circuit TV recording.
- It took three days to recover all 21 victims: 2 on the first day, 7 on the second, and 12 on the third.
- President Lula did not attend the base immediately because he was scheduled for the funeral of diplomat Sérgio Vieira de Mello.
- The rocket's solid fuel was ammonium perchlorate, making up 90% of its 50-metric-ton weight.
More in Space program fatalities 1-24
Spotted an error? Know more?
Reader corrections go straight into our review queue. Suggest an edit · How this site is sourced