Boeing Crew Flight Test

Boeing Crew Flight Test
Boeing Starliner Calypso launches on the Crew Flight Test atop an Atlas V rocket
NamesBoe-CFT[1]
Mission typeFlight test
OperatorBoeing Defense, Space & Security
COSPAR ID2024-109A Edit this at Wikidata
SATCAT no.59968Edit this on Wikidata
Websitenasa.gov/boeing-crewflighttest
Mission durationPlanned: 8 days
Actual: 93 days, 13 hours and 9 minutes
Orbits completed1,464
Spacecraft properties
SpacecraftBoeing Starliner Calypso
Spacecraft typeBoeing Starliner
ManufacturerBoeing Defense, Space & Security
Crew
Crew size2
Launching
LandingNone
Start of mission
Launch date5 June 2024, 14:52:15 (5 June 2024, 14:52:15) UTC (10:52:15 am EDT)
RocketAtlas V N22[a] (AV-085)[2]
Launch siteCape Canaveral, SLC‑41
ContractorUnited Launch Alliance[b]
End of mission
Landing date7 September 2024, 04:01:35 (7 September 2024, 04:01:35) UTC (6 September, 10:01:35 pm MDT)
Landing siteWhite Sands Space Harbor
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Perigee altitude315 km (196 mi)
Apogee altitude324 km (201 mi)
Inclination51.66°
Docking with ISS
Docking portHarmony forward
Docking date6 June 2024, 17:34 UTC
Undocking date6 September 2024, 22:04 UTC
Time docked92 days, 4 hours, 30 minutes

Boeing Crew Flight Test mission patch

Williams (left) and Wilmore (right)

Boeing Crew Flight Test (Boe-CFT) was the first crewed mission of the Boeing Starliner capsule. Launched on 5 June 2024, the mission flew a crew of two NASA astronauts, Barry E. Wilmore and Sunita Williams, from Cape Canaveral Space Force Station to the International Space Station. The mission was meant to last eight days, ending on 14 June with a landing in the American Southwest. However, the capsule's thrusters malfunctioned as Starliner approached the ISS. After more than two months of investigation, NASA decided it was too risky to return Wilmore and Williams to Earth aboard Starliner. Instead, the Boeing spacecraft returned uncrewed on 7 September 2024, and the astronauts will ride down on the SpaceX Crew-9 spacecraft in February 2025.

Originally scheduled for launch in 2017, Boe-CFT experienced numerous delays. The spacecraft's two preceding uncrewed orbital flight tests, Boe‐OFT and Boe‐OFT‐2, were conducted in 2019 and 2022, respectively.

Starliner was placed atop the Atlas V launch vehicle on April 16, 2024, but the mission's launch was repeatedly postponed by technical problems. An oxygen valve problem on United Launch Alliance's (ULA) Atlas V[b] rocket scrubbed the first launch attempt on 7 May. A second launch attempt on 1 June was scrubbed when a ground computer failed. Subsequent delays were caused by helium leaks in the Starliner's service module; helium leaks would continue to be a problem throughout the mission. The third launch attempt on 5 June at 14:52:15 UTC (10:52:15 am EDT local time at the launch site) was successful.

  1. ^ "International Space Station Status" (PDF). NASA. Archived (PDF) from the original on 26 April 2024. Retrieved 13 April 2024.Public Domain This article incorporates text from this source, which is in the public domain.
  2. ^ "Atlas 5 • CST-100 Starliner Crew Flight Test". Spaceflight Now. 21 March 2023. Retrieved 27 July 2024.


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