Questions tagged [cst-100]
The CST-100 (Starliner) capsule is Boeing's Crew Space Transportation designed to transport up to seven astronauts to orbit.
34 questions
7votes
2answers
2kviews
What do these expressions mean in NASA's Steve Stitch's brief Starliner undocking statement?
After about 00:30 in The BBC's September 7, 2024 Boeing Starliner returns to earth without astronauts | BBC News, there's a clip of Steve Stitch, Manager, NASA Commercial Crew Program reading a brief ...
- 153k
8votes
1answer
444views
What other crewed spacecraft returned uncrewed before Starliner Boe-CFT?
Tonight's (September 6, 2024) return of Starliner (Boe-CFT or Boeing Crew Flight Test) from the ISS was made without the crew that launched with it (Suny Williams, Butch Wilmore). What other ...
1vote
0answers
58views
Starliner: Deorbit with Service Module RCS thrusters?
I have read that as a fallback option, the service module's reaction control system (RCS) thrusters could be used to deorbit the craft in case the normally used "orbital maneuvering and attitude ...
11votes
4answers
4kviews
If Starliner returns safely on autopilot, can this still prove that it's safe? Could it be launched back up to the ISS again to complete its mission?
NASA is understandably cautious when it comes to risking the lives of their astronauts. But, I'm wondering if Starliner were to return successfully (albeit uncrewed) and in the process provide more ...
- 9,353
25votes
1answer
3kviews
Will this be the first time that there are more people aboad the ISS than seats in docked spacecraft?
As NASA announced today, Boeing Starliner will return to earth uncrewed and before the SpaceX Crew-9 mission will start (because otherwise no docking port would be available). This means (as far as I ...
- 4,186
1vote
1answer
4kviews
What caused 2 astronauts to be stranded in space
Astronauts Barry Wilmore and Sunita Williams were originally on an 8 day test flight mission, which launched on June 5, 2024. More than 2 months later, many people are now saying will turn into 8 ...
19votes
2answers
2kviews
Eye Spy: Where are the other two (of six) vehicles docked to the ISS in this Maxar image (& what are they?)
I spy Crew Dragon, Starliner, & two Progress (?). Where are the rest? (Credit: https://www.maxar.com/maxar-intelligence/products/non-earth-imaging)
- 11.7k
17votes
3answers
6kviews
Is it true that engines built in Russia are still used to launch American spacecraft?
Is it true that today's launch of the American spacecraft Boeing Starliner still used Russian-made engines?
- 489
7votes
1answer
2kviews
Did Boeing's Starliner do an inflight abort test?
Did the Starliner perform an inflight abort test? I could not find any videos to support the same. Isn't a pad abort and an in flight abort neccesary before sending humans to space? Can the starliner'...
- 3,072
0votes
1answer
551views
Why are the service modules on Crew Dragon and Starliner expended after every flight?
Why are the service modules on both Crew Dragon and Starliner expended after every flight? Clearly, shedding the mass of the service module reduces the amount of energy the heat shield needs to bleed ...
13votes
1answer
3kviews
Purpose of Starliner ‘chicken wire’?
The Boeing Starliner has a black, perforated skirt that Spans the circumference of the service module. It is unclear what the purpose of this is and have not found anything mentioning it specifically. ...
- 920
3votes
0answers
209views
How does US crewed launch abort coverage "jump" the ocean in an instant?
As I understand things, the Commercial Crew Program stipulates full abort coverage from pad to orbit. An abort to the middle of the Atlantic ocean is understandably not acceptable. Watching the OFT-2 ...
- 10.6k
12votes
1answer
1kviews
Why was the Atlas V's SRB kept attached for 1 minute after burnout in the OFT-2 mission?
In Boeing's OFT-2 mission, an Atlas V is the launch vehicle. The solid rocket booster burns out at T+ 1:35 minutes, but the boosters are jettisoned at T+ 2:40 minutes. Why are the boosters not ...
- 3,072
2votes
0answers
139views
What is the most efficient method of landing for space capsules returning to earth? [closed]
I have read that the Russians don't land on water because they don't have access to a large warm-water coastline like the US. US has large swaths of land and water and most US capsules (Apollo, Dragon,...
13votes
1answer
5kviews
Cost per launch to ISS: Starliner vs Crew Dragon
What is the cost to NASA per launch to ISS of Starliner vs Crew Dragon? The Crew Dragon flights uses the SpaceX Falcon 9-FT with the first stage reusable, along with the partially reusable Crew ...
- 555
