Boeing Starliner-1

Boeing Starliner-1
Artist's impression of a Boeing Starliner docking to the ISS
Names
  • Post Certification Mission-1
  • PCM-1
Mission typeISS crew transport
OperatorBoeing Defense, Space & Security
Mission duration180 days (planned)
Spacecraft properties
SpacecraftBoeing Starliner Spacecraft 2
Spacecraft typeBoeing Starliner
ManufacturerBoeing Defense, Space & Security
Launch mass13,000 kg (29,000 lb)
Crew
Crew size4
Members
Start of mission
Launch dateTBD
RocketAtlas V N22
Launch siteCape Canaveral, SLC-41
ContractorUnited Launch Alliance
End of mission
Landing siteTBD
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Inclination51.66°
Docking with ISS
Docking portHarmony forward or zenith
Time docked180 days (planned)

Boeing Starliner-1, also called Post Certification Mission-1 (PCM-1), is the name of the first operational crewed mission of the Boeing Starliner to the International Space Station (ISS) as part of the Commercial Crew Program. It was originally planned as the first Starliner mission following the Boeing Crew Flight Test (CFT). However, the CFT encountered significant technical problems, and as of June 2025, the launch date for the next Starliner mission is not known. The flight will launch no earlier than early 2026.