Boeing · In Development · us · Crew Spacecraft
Boeing Starliner (CST-100)
Boeing commercial crew capsule; paused for design corrective action after CFT helium and thruster anomalies.
Verified 2026-06-17 · First flight 2019-12-20
Subsystems
propulsion↗
4 RS-88 launch abort engines (pusher config, ~178 kN each); service module: 20 OMAC thrusters (1,500 lbf each) + 28 RCS thrusters (85 lbf each); crew module: 12 RCS thrusters (100 lbf each).
thermal↗
Boeing Lightweight Ablator (BLA) heat shield for reentry.
power↗
Service module solar cells providing more than 2,900 W.
recovery↗
Parachutes plus airbags for land landing in western USA; crew module reusable up to 10 missions.
Specs & Metrics
- Crew Capacity ↑ better
- 4 seats
- NASA ISS service missions; 7 max by design
- Maximum number of crew members the vehicle can carry on a nominal mission.
- Pressurized Volume ↑ better
- 11 m³
- Total internal pressurized volume of the spacecraft in cubic metres.