Author Topic: SpaceX F9 / Crew Dragon : Crew-4 : KSC LC-39A : 27 April 2022 (07:52 UTC)  (Read 195863 times)

Online zubenelgenubi

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Cross-post:
http://www.launchphotography.com/Launch_Viewing_Guide.html [April 20 update]
Quote
Then, a Falcon 9 will launch four astronauts on NASA's Crew-4 mission to the ISS from pad 39A on April 26 or 27 at the earliest, at 4:15am or 3:52am ED.
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Offline Ken the Bin

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https://www.spacex.com/launches/crew-4/

Quote from: SpaceX
SpaceX and NASA are targeting no earlier than Tuesday, April 26 for Falcon 9’s launch of Crew-4, Dragon’s fourth science expedition mission to the International Space Station, from Launch Complex 39A (LC-39A) at NASA’s Kennedy Space Center in Florida. Launch is targeted for 4:15 a.m. ET, 8:15 UTC, with backup opportunities available on Wednesday, April 27 and Thursday, April 28.

This will be the first flight of the Dragon spacecraft supporting this mission and the fourth flight for Falcon 9’s first stage booster, which previously launched CRS-22, Crew-3, and Turksat 5B. Following stage separation, Falcon 9’s first stage will land on the A Shortfall of Gravitas droneship stationed in the Atlantic Ocean.

During their time at the orbiting laboratory, the Crew-4 astronauts will conduct over 200 science experiments in areas such as materials science, health technologies, and plant science to prepare for human exploration beyond low-Earth orbit and benefit life on Earth.

The webcast for the Crew-4 mission will go live about four hours before liftoff.

SpaceX webcast (video id orN0PaqQECs):


Offline Conexion Espacial

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Crew-4 SpaceX patch
I publish information in Spanish about space and rockets.
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"Press kit" capture with OCR

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Station Crew Awaits Ax-1 Departure and Crew-4 Launch

Mark Garcia Posted on April 20, 2022

The integrated NASA, Axiom Space, and SpaceX teams have agreed on a plan for the Axiom Mission 1 (Ax-1) crew to undock from the International Space Station at 8:35 p.m. EDT Saturday, April 23, for a splashdown off the coast of Florida about 1:46 p.m. Sunday, April 24. The decision was made based on the best weather for splashdown of the first private astronaut mission to visit the International Space Station and the return trajectory required to bring the crew and the SpaceX Dragon Endeavour spacecraft back to Earth safely.
<snip>
The departure of Dragon Endeavour from the space station will clear the docking port for the arrival of Dragon Freedom and NASA’s SpaceX Crew-4 astronauts. The earliest potential launch opportunity for the Crew-4 mission is 4:15 a.m. Tuesday, April 26, with additional opportunities Wednesday, April 27, and Thursday, April 28. These launch opportunities are undergoing a more detailed program review to ensure they align with integrated operational timelines. The teams want to provide a two-day gap after Ax-1 return for data reviews from splashdown and to prepare for the Crew-4 launch, including the staging of recovery assets.
<snip>
https://blogs.nasa.gov/spacestation/2022/04/20/station-crew-awaits-ax-1-departure-and-crew-4-launch/

Axiom-1's April 24 1:46 pm splashdown is less than 48 hours before Crew-4's April 26 4:15 am liftoff.

Foregoing the April 26 launch is not a surprise.

Launch Photography Viewing Guide, April 21 update, after today's launch:
Scratches the August 26 Crew-4 launch opportunity, leaving NET April 27 at 3:52am EDT = 07:52 UTC.
« Last Edit: 04/22/2022 06:17 pm by zubenelgenubi »
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Offline Rondaz

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Offline Rondaz

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During the recent dry dress rehearsal on April 20, the #Crew4 astronauts posed for a photo at @NASAKennedy's Launch Complex 39A.

Named Freedom by the crew, @SpaceX’s Crew Dragon spacecraft will carry these four to the @Space_Station for a science expedition mission.

https://twitter.com/Commercial_Crew/status/1517546321871310850

Online zubenelgenubi

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Not so sure of the launch date?--April 22 update, Launch Photography Viewing Guide.
Quote
The next SpaceX Falcon 9 rocket will launch four astronauts on NASA's Crew-4 mission to the ISS from pad 39A on April TBD @ 3-4am EDT.
= 0700 to 0800 UTC
« Last Edit: 04/22/2022 06:19 pm by zubenelgenubi »
Support your local planetarium! (COVID-panic and forward: Now more than ever.) My current avatar is saying "i wants to go uppies!" Yes, there are God-given rights. Do you wish to gainsay the Declaration of Independence?

Offline Rondaz

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Hurray!

It is with infinite enthusiasm that we announce the start of a partnership with @ASI_spazio , as part of the #Minerva mission with @AstroSamantha . The purpose? Bringing young people from disadvantaged contexts closer to #scientific subjects !

https://twitter.com/AstroSamantha/status/1517217397039681536

Offline Ken the Bin

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New cancel-and-replace NGA notices.  As expected, the Primary Day is April 27.

Quote from: NGA
222241Z APR 22
NAVAREA IV 389/22(11).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   270747Z TO 270822Z APR, ALTERNATE
   280725Z TO 280800Z, 290702Z TO 290737Z, AND
   300636Z TO 300711Z APR
   IN AREAS BOUND BY:
   A. 28-38-32N 080-37-22W, 28-54-00N 080-19-00W,
      28-51-00N 080-15-00W, 28-36-00N 080-26-00W,
      28-33-20N 080-33-59W.
   B. 31-42-00N 077-19-00W, 32-13-00N 077-03-00W,
      32-26-00N 076-24-00W, 32-19-00N 076-17-00W,
      31-50-00N 076-36-00W, 31-35-00N 077-12-00W.
2. CANCEL NAVAREA IV 374/22.
3. CANCEL THIS MSG 300811Z APR 22.
Quote from: NGA
222205Z APR 22
HYDROPAC 1101/22(75).
SOUTHEASTERN INDIAN OCEAN.
DNC 03, DNC 04.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
   270828Z TO 270900Z, ALTERNATE
   280806Z TO 300749Z APR IN AREA BOUND BY
   35-59S 096-07E, 35-39S 096-28E,
   35-45S 097-27E, 38-15S 102-35E,
   40-37S 106-44E, 43-25S 111-22E,
   44-52S 112-46E, 45-18S 112-10E,
   45-06S 110-29E, 42-59S 105-00E,
   41-00S 101-14E, 38-31S 097-59E,
   36-34S 096-17E.
2. CANCEL HYDROPAC 1066/22.
3. CANCEL THIS MSG 300849Z APR 22.

Online zubenelgenubi

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Not so sure of the launch date?--April 22 update, Launch Photography Viewing Guide.
Quote
The next SpaceX Falcon 9 rocket will launch four astronauts on NASA's Crew-4 mission to the ISS from pad 39A on April TBD @ 3-4am EDT.
= 0700 to 0800 UTC

Further April 22 update, same source, reverts back to April 27 primary launch date and time.
Quote
The next SpaceX Falcon 9 rocket will launch four astronauts on NASA's Crew-4 mission to the ISS from pad 39A on April 27 at 3:52am EDT [07:52 UTC].
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Offline Rondaz

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NASA and SpaceX Adjust Agency’s Crew-4 Launch Date

Amanda Griffin Posted on April 22, 2022

NASA and SpaceX now are targeting no earlier than 3:52 a.m. EDT Wednesday, April 27, for launch of the agency’s SpaceX Crew-4 mission to the International Space Station from Launch Complex 39A at NASA’s Kennedy Space Center in Florida.

Teams decided to wave off a potential launch opportunity on April 26 until further into the week when space station positioning and orbital mechanics are more favorable. Crew-4 has another launch opportunity available Thursday, April 28, as weather continues to be a watch item heading into next week.

For a Crew-4 launch Wednesday, April 27, NASA will host a prelaunch news teleconference at approximately 9:30 p.m. Monday, April 25, with the following participants:

Steve Stich, manager, Commercial Crew Program, NASA Kennedy
Joel Montalbano, manager, International Space Station Program, NASA Johnson
Zeb Scoville, flight director, Flight Operations Directorate, Johnson
Jessica Jensen, vice president, customer operations and integration, SpaceX
Frank de Winne, manager, International Space Station Program, ESA
Arlena Moses, launch weather officer, U.S. Space Force 45th Weather Squadron

Media may ask questions via phone only. The teleconference audio will stream on nasa.gov/live. For the dial-in number and passcode, please contact the Kennedy newsroom no later than 8:30 p.m. on April 25 at: [email protected].

Additional adjustments to the Crew-4 launch date may be necessary in the event inclement weather prevents an on time splashdown of the Axiom Mission 1 (Ax-1) currently docked to the space station. Ax-1, the first all private astronaut mission to the station, now is targeted to undock from the orbital complex at 6:35 p.m. Saturday, April 23, and splashdown at 1:46 p.m. Sunday, April 24, off the coast of Florida. The Ax-1 crew and Dragon spacecraft remain healthy at station.

The Crew-4 flight will carry NASA astronauts Kjell Lindgren, mission commander, Robert Hines, pilot, and Jessica Watkins, mission specialist and ESA astronaut Samantha Cristoforetti, who will serve as a mission specialist, to the space station for a science expedition mission. The astronauts will fly a new Dragon spacecraft, named Freedom, atop a flight proven Falcon 9 rocket. Following docking of Crew-4, NASA’s SpaceX Crew-3 mission is expected to complete an approximate five-day handover with Crew-4 before undocking from the space station and returning to Earth.

https://blogs.nasa.gov/crew-4/2022/04/22/nasa-and-spacex-adjust-agencys-crew-4-launch-date/

Offline Rondaz

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The Exp 67 crew spent Friday preparing for the departure of the Ax-1 crew and next week's spacewalk.

https://twitter.com/Space_Station/status/1517669901976182787

Offline Rondaz

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Launch Update: @NASA and @SpaceX now are targeting no earlier than 3:52am ET (7:52am UTC) Wednesday, April 27, for launch of the #Crew4 mission to the @Space_Station.

https://twitter.com/Commercial_Crew/status/1517678268710801408

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My opinion: There will be another Crew-4 launch delay, to April 28, so as to maintain 48 hours minimum for data analysis between one Crew Dragon splashdown and another Crew Dragon launching. 🐉 🐲

April 28 launch would be circa 07:30 UTC = circa 3:30 am EDT.

Edit: Or not.  See next post.

This will also likely delay the Crew-3 departure from April 30, so as to maintain an orderly crew handover.

Axiom Mission 1 Undock Postponed to Sunday, Space Station Reboosts

Mark Garcia Posted on April 23, 2022

At the conclusion of a weather briefing ahead of today’s planned undocking, NASA, Axiom Space, and SpaceX teams elected to wave off today’s undocking attempt due to a diurnal low wind trough which has been causing marginally high winds at the splashdown sites. The Axiom Mission 1 (Ax-1) crew is now targeting to undock from the International Space Station 8:55 p.m. EDT Sunday, April 24.

Weather permitting, the Ax-1 crew is targeted to close the hatch about 6:45 p.m. Sunday, April 24, to begin the journey home in SpaceX Dragon Endeavour with splashdown off the coast of Florida approximately 1:00 p.m. Monday, April 25.

I believe the Crew-4 launch on the 27th takes priority over the Artemis I rollback to the VAB--they wouldn't have it en route from LC-39B during the countdown and liftoff from 39A.
NASA’s Artemis I Rocket Readying for Return to Vehicle Assembly Building

Teams at NASA’s Kennedy Space Center in Florida are preparing the Space Launch System (SLS) rocket and Orion spacecraft for their return to the Vehicle Assembly Building (VAB) early next week. As work continues at the launch pad throughout the weekend, we will also continue working closely with our commercial crew partners to confirm a date and time. <snip>

Edited
« Last Edit: 04/24/2022 12:30 am by zubenelgenubi »
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Offline cferreir

How will the recovery vessel ballet work? If I remember correctly SpaceX has 1 recovery vessel in the east coast of Florida and one in the gulf. If Axiom-1 lands in the east coast that vessel has to return the capsule and then head out to the abort zone of Crew-4 correct? How much time does that take? Are they repositioning the gulf vessel?

Offline Zed_Noir

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How will the recovery vessel ballet work? If I remember correctly SpaceX has 1 recovery vessel in the east coast of Florida and one in the gulf. If Axiom-1 lands in the east coast that vessel has to return the capsule and then head out to the abort zone of Crew-4 correct? How much time does that take? Are they repositioning the gulf vessel?
Will be simpler just to land Axiom-1 in the gulf of Mexico in the first place. The SpaceX Dragon recovery ships are not very fast.

Offline Rondaz

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I have heard from @AstroSamantha and she tells me that so far they have more or less stuck to the original schedule - except a long day with family yesterday instead of going to bed early for launch. #Crew4..

https://twitter.com/AschbacherJosef/status/1517890092429459456

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L-3 weather forecast.  90% 'Go' for April 27.  40% 'Go' for April 28.  80% 'Go' for April 29.  Ascent Corridor Recovery risk is Low-Moderate for April 28 and 29.  All other Additional Risk Criteria are Low for all days.

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