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Questions tagged [cst-100]

The CST-100 (Starliner) capsule is Boeing's Crew Space Transportation designed to transport up to seven astronauts to orbit.

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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 ...
uhoh's user avatar
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8 votes
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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 ...
Dennis Williamson's user avatar
1 vote
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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 ...
Peter - Reinstate Monica's user avatar
11 votes
4 answers
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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 ...
phil1008's user avatar
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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 ...
TrySCE2AUX's user avatar
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1 vote
1 answer
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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 ...
Starship's user avatar
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19 votes
2 answers
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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)
Anton Hengst's user avatar
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17 votes
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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?
VALERIAN's user avatar
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7 votes
1 answer
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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'...
Ashvin's user avatar
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1 answer
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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 ...
masospaghetti's user avatar
13 votes
1 answer
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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. ...
Andykins 's user avatar
3 votes
0 answers
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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 ...
BrendanLuke15's user avatar
12 votes
1 answer
1k views

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 ...
Ashvin's user avatar
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2 votes
0 answers
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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,...
user16734390's user avatar
13 votes
1 answer
5k views

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 ...
Sheldon's user avatar
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4 votes
1 answer
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What launch vehicles of those compatible will Starliner actually use?

The Boeing Starliner is designed to be compatible with four launch vehicles: Atlas V, Delta IV, Falcon 9, and Vulcan. The test flight was launched on an Atlas V, so it can be assumed that more ...
Speedphoenix's user avatar
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3 votes
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How did the Starliner get the wrong time?

According to NASA's blog, one of the problems with the failed Starliner mission was An error with the Mission Elapsed Timer (MET), which incorrectly polled time from the Atlas V booster nearly 11 ...
Machavity's user avatar
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5 votes
1 answer
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Would astronauts have been able to save the CST-100 mission?

The Boeing CST-100 Starliner failed an unmanned test because the timer on the spacecraft was off by 11 hours. This caused the spacecraft computer to think it was ahead in mission timing by 11 hours, ...
GdD's user avatar
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6 votes
2 answers
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What is the “floating dust” seen in the Starliner test landing colour footage?

The first Starliner landing was in the very early morning. The live coverage was only able to show infrared pictures of the descent, however NASA's documentation of the event includes a colour video ...
leftaroundabout's user avatar
4 votes
1 answer
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What "gap" could have caused the Starliner instructions to be delayed?

The Starliner launch didn't go as planned today After being released by the rocket, Starliner was supposed to use its Orbital Maneuvering and Attitude Control engines to provide the thrust needed ...
Machavity's user avatar
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6 votes
1 answer
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Why exactly didn't they jettinson the boosters direct after burnout at the Starliner launch?

Today's Starliner launch kept the boosters attached for an additional 48 seconds after they burned out. Keeping the dead weight and additional drag is pretty obviously suboptimal. During the live ...
Christoph's user avatar
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Does the FAA still license the people who fold human-rated reentry parachutes?

One of the links in the question International Orange? is the History.com article The Amazing Handmade Tech That Powered Apollo 11’s Moon Voyage which says of Apollo capsule re-entry and landing ...
uhoh's user avatar
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2 votes
0 answers
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Is the nosecone of the CST-100 Starliner more than structural?

The CST-100 Starliner is Boeing's new crew capsule. It has a detachable nosecone which serves several structural purposes. Because the capsule uses a pusher-style launch escape system, there is no ...
DrSheldon's user avatar
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4 votes
0 answers
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Pre-launch TLEs for NASA launches

I was curious if the United States is on the verge of launching maned flights to the ISS, will anyone release Pre-Launch TLE data like was done back when the shuttle was flying.
MScott99's user avatar
12 votes
2 answers
705 views

What limits how long spacecrafts like Orion, Dragon, Starliner can support their crews' lives?

The next generation crewed spacecrafts is about to fly in the decade of 2020. Not only those in the headline here are trying to make it, but more are being developed privately and internationally. ...
LocalFluff's user avatar
6 votes
1 answer
379 views

Are the Boeing CST-100 Starliner and Orion MPCV interchangeable at any level?

Although the Boeing CST-100 Starliner and the Orion MPCV are designed for different missions (LEO vs beyond LEO), one might imagine a mission which could be served by either vehicle. Presumably, both ...
Anthony X's user avatar
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5 votes
2 answers
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Could SpaceX's Dragon V2 or the Boeing Starliner be upgraded to travel beyond LEO

A recent Government Accountability Office (GAO) report has cast doubts on the ability of the Orion MPCV to meet its requirements on its already excessive budget. Orion has been in development since ...
SpacePaulZ's user avatar
4 votes
1 answer
484 views

Can the US Manned vehicles (CST-100, Dragon V2) dock to a Russian vehicle?

In some ways, this is a question in general about docking port compatability. The Russians have two types of ports, and the Americans are standardizing on the NDS (NASA Docking System, sometimes ...
geoffc's user avatar
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3 votes
1 answer
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Can Orion (or Dragon or CST-100) be upgraded to do multiple EVA's (space walks)?

Orion is designed to support only one EVA. There's no airlock so the entire spacecraft would be evacuated of air during the space walk and then repressurized from gas flasks, with a storage enough for ...
LocalFluff's user avatar
3 votes
3 answers
8k views

Are the Orion and the CST-100 basically the same spacecraft?

Lockheed Martin, mostly, develop both he Orion and the CST-100 for NASA. I feel like I'm a bit late at learning here, but are they basically the same designs? The LEO and the Beyond-LEO version. CST-...
LocalFluff's user avatar
12 votes
3 answers
474 views

Are there any drawbacks or potential dangers on using touch-sensitive instrument panels on spacecraft?

Just as seen on Orion and Dragon designs (I haven't checked on other current spacecrafts), there are a lot of benefits from using touch-sensitive panels instead of traditional electrical switches. ...
CodingDuckling's user avatar
7 votes
1 answer
482 views

Will the CST-100 recharge its batteries?

Since the CTS-100 uses lithium-ion batteries to supply its electrical power, and lithium-ion batteries self-discharge over time, will the CST-100 need to recharge its batteries at the ISS? If so how ...
ForgeMonkey's user avatar
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15 votes
1 answer
2k views

Can a Boeing CST-100 be used to provide station reboost?

In the question: "Can Dragon, or Dragon V2 be used to boost the ISS orbit?" I asked if the Dragon V1/V2 can provide station reboost functionality that is currently provided by the ATV or Progress ...
geoffc's user avatar
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10 votes
2 answers
258 views

What 'contributions' could this private company have made to Boeing?

I was traveling through Nevada when I stopped to eat at Windmill Ridge - a motel / resturaunt combo thing. I noticed this plaque on the wall: "In recognition of your contributions to the success of ...
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