2026-09-21:

• Pad 2: B21 arrives at the launch site. (Blobifie, SpaceX)
• B21 is lifted onto the launch mount. (StarshipGazer 1, StarshipGazer 2, RGV Aerial, Blobifie)
• Production site: Two top deck deluge pieces for the Pad 1 launch mount arrive at Sanchez. (RGV Aerial)
• S41 exits Megabay 2, while the Starlink satellite speedloader moves inside. A light-coloured tile is visible on S41, possibly one of the two reused tiles from S40. (StarshipGazer, mcrs987, Blobifie 1, Blobifie 2)
• Two out of three R-vacs for enter Megabay 2, presumably for installation on S42. (SpaceRhin0, Blobifie)
• S41 returns to Megabay 2, presumably for Starlink loading. (Blobifie)
• Road delay for “Production to Pad” is posted for Sep 22nd 10:00 to 14:00. (starbase.texas.gov, archive, Avid Space)

2026-09-20:

• Brownsville Port: Road delay for “Port to Masseys” is posted for Sep 20th 23:59 to Sep 21st 04:00. (starbase.texas.gov, archive)
• Launch site: Aerial photo of Pad 1 flame trench. (RGV Aerial)
• Road delay for “Production to Pad” is posted for Sep 20th 22:00 to Sep 21st 02:00. (starbase.texas.gov, archive, interstellargw)
• Production site: Aerial photo of Pad 1 flame diverter construction at Sanchez. (RGV Aerial)
• Gigabay cladding installation continues. (RGV Aerial 1, RGV Aerial 2)
• A booster transport stand enters Megabay 1. (Blobifie)
• B21 has been transferred to the transport stand. (TrackingTheSB, Blobifie)
• B21 is disconnected from the overhead crane. (TrackingTheSB)
• B21 moves from Megabay 1 to Pad 2. (NSF, NSF livestream, StarshipGazer, TrackingTheSB, RGV Aerial 1, RGV Aerial 2, RGV Aerial 3, Blobifie)

2026-09-19:

• Brownsville Port: Road Delay for “Port to Production” Sep 19th 23:59 to Sep 20th 04:00. (starbase.texas.gov, archive)
• Production site: Overnight, the Gigabay bridge crane trolley is lifted onto the assembled girders. (ViX)
• Electrical cabinets are fitted on the main bridge rail, and a large hoist drum is observed on top of the trolley. (Killip)
• The new door on the rear side of Gigabay is closed, obscuring roadside camera views of Megabay 2. Aerial views inside Megabay 2 are still possible. (RaptorRoostTX, RGV Aerial 1, RGV Aerial 2)
• Booster transport stand #3 is observed in the ring yard. (RGV Aerial)
• Construction of the Pad 1 launch mount at Sanchez continues. (Killip)
• McGregor: R3.134 returns from the testing area. This engine was present on B21 during static fire testing, so it must have been swapped out. (SpaceRhin0)

2026-09-18:

• Production site: Installation of the first of two short doors on the rear side of Gigabay begins. (Avid Space)
• The Gigabay bridge crane trolley arrives. (ViX)
• B23’s forward section enters Megabay 1. (ViX)
• Launch site: The rented LR11000 is laid down, the launch mount service structure is picked up and set down, and small movements of the SpaceX LR11000 are observed. (ViX)
• A few movements of the Pad 2 chopsticks are observed. (ViX)
• Brownsville Port: A ship workstand is moved towards the port, presumably for transport to Florida. (TrackingTheSB, RGV Aerial)
• A top deck deluge plate (presumably for the Pad 1 launch mount), a Gigabay booster workstand and Starship horizontal transport frame arrive. (Avid Space, ViX)
• McGregor: R3.246 (new highest) heads towards the testing area. The engine has a module on the side which seems not to have been previously observed. (SpaceRhin0)
• A temporary flight restriction NOTAM is posted for up to 10,000 feet for Sep 18th through Oct 2nd. (Anderson, tfr.faa.gov)

2026-09-17:

• Production site: Gigabay construction continues. (cnunez)
• The first Gigabay work platform, reportedly for work station 8 is delivered and lifted inside the building. (ViX)
• Pad 1: Construction continues. (cnunez)
• Brownsville Port: Road delay for “Production to Port” is posted for Sep 17th 23:59 to Sep 18th 04:00. (starbase.texas.gov, archive, Avid Space)
• McGregor: R3.234 heads towards the testing area again. (SpaceRhin0)
• R3.203 heads towards the testing area. This engine has a few extra sensors. (SpaceRhin0)
• R3.23x returns from the testing area. (SpaceRhin0)
• Flight 14: NET Sep 28th, pending regulatory approval. (SpaceX)
• NOTMARs and NOTAMs are updated, with one reentry NOTAM for Mauritius. (Avid Space, SpaceNotices, notams.aim.faa.gov)

2026-09-16:

• Production site: S43’s aft section enters Megabay 2 and is welded onto the ship. (ViX, Avid Space)
• Gigabay construction continues. (RGV Aerial)
• Bridge crane rails are welded to the girders with thermite. (ViX)
• One of the Gigabay doors is delivered. (ViX)
• Pad 2: The left chopstick actuator is replaced. (ViX, Blobifie)
• McGregor: R3.24x returns from the testing area. (SpaceRhin0)
• R3.241 returns from the testing area. (SpaceRhin0)
• R3.244 returns from the testing area. (SpaceRhin0)
• Flight 13: SpaceX post Episode 3 of their Starship documentary, focusing on S40 recovery. (SpaceX)
• Flight 14: NOTMARs are posted for the Gulf of Mexico and the Caribbean. (Avid Space 1, Avid Space 2)
• A contingency reentry NOTMAR is posted for north of Hawaii. (Avid Space)

2026-09-15:

• Pad 2: Overnight, the chopsticks are raised, a deluge test is observed, and the chopsticks are lowered. (ViX)
• A single ring segment and a lifting jig are rolled out to Pad 2. (ViX)
• An assembly of metal panels are dangled near one of the Pad 2 booster quick disconnects, possibly to test proximity sensors. (ViX 1, ViX 2)
• Production site: Overnight, the Gigabay bridge crane is outfitted with racks of cabinets, likely for power and control systems, and catwalks along the top. (Avid Space)
• S43’s aft section enters Megabay 2. (Blobifie)
• The flame diverter for Pad 1 is under construction at Sanchez. (RGV Aerial)
• McGregor: The previous evening, four Raptor 3 engines are observed heading towards the testing area, possibly including R3.244. (SpaceRhin0)
• R3.243 returns from the testing area. (SpaceRhin0)
• Flight 13: In the terminal phase of the boostback burn, the three centre engines showed signs of ice clogging which triggered an early shutdown. During the landing burn, 8 of the 13 planned engines reigniting before hard splashdown. For Flight 14, B21 has hardware modifications to improve filtering to the engines and software changes to enhance relight reliability. (SpaceX)
• S40 recovery: Forte rounds the tip of South Africa and heads into the Atlantic Ocean. (interstellargw, Blobifie)
• Flight 14: NOTAMs are posted for Mexican airspace. (Avid Space, Gomez)
• Reentry NOTAM is posted for the Pacific Ocean near Easter Island. (Avid Space)
• S41 to deploy 26 operational Starlink satellites, 3 of which have cameras to inspect the ship’s heatshield. (SpaceX)
• S41 will test several heatshield upgrades and experiments, including retention mechanisms for tiles at highest risk of falling off during ascent, addressing plasma flow paths behind tiles, testing a curved tile design to reduce heating in the gaps between tiles, and reflying two tiles recovered from S40. (SpaceX)

2026-09-06:

• Massey’s: Overnight, S42 moves from Massey’s to Megabay 2. (NSF, Avid Space, ViX, TrackingTheSB 1, TrackingTheSB 2, RGV Aerial, Gomez, Blobifie 1, Blobifie 2)
• Production site: Thrust simulator stand moves from Megabay 2 to Sanchez. (ViX)
• The booster horizontal aft frame portion of the breakover/transport mechanism arrives. (ViX)

2026-09-12:

• Massey’s: B22 moves from Massey’s to Megabay 1. (Avid Space, ViX, TrackingTheSB, RGV Aerial, Gomez 1, Gomez 2, Blobifie 1, Blobifie 2)
• Road delay for “Production to Masseys” is posted for Sep 12th 23:59 to Sep 13th 04:00. (starbase.texas.gov, archive)
• Launch site: S42 is lifted to the top of Tower 2. (NSF, Avid Space, TrackingTheSB 1, TrackingTheSB 2, RGV Aerial 1, RGV Aerial 2, Blobifie 1, Blobifie 2, Blobifie 3)
• The ship quick disconnect performs multiple extension and retraction tests, including one in which it connected to S42. (NSF 1, NSF 2, Avid Space, ViX, efraser77, Blobifie 1, Blobifie 2, Blobifie 3, Blobifie 4, Blobifie 5)
• Closure of the covers on the ship quick disconnect plate is observed. (NSF)
• Timelapse of testing. (NSF)
• S42’s flaps fold in. (ViX)
• Road delay for “Pad to Production” is posted for Sep 12th 22:00 to Sep 13th 02:00. (starbase.texas.gov, archive, ViX)
• S42 moves from the launch site to the production site. (NSF 1, NSF 2, Gomez)
• Other: Significant groundwork activity is observed on the recently acquired 444 acres along Hwy 4 near Starbase. (RGV Aerial, Anderson / Copericus)
• Construction of a new warehouse on Highway 4 begins. (Anderson 1, Anderson 2)
• McGregor: Two Raptor 3 sea-level engines head towards the testing area. (SpaceRhin0)
• Florida: The LC-39A tower vent is tested for the first time. (NSF, efraser77)
• You’ll Thank Me Later has had her name written on the side. (Cornwell 1, Cornwell 2)

2026-09-07:

• Massey’s: Road delay for “Production to Masseys” is posted for Sep 7th 23:59 to Sep 8th 04:00. (starbase.texas.gov, archive, ViX)
• Launch site: Road delay for “Production to Pad” is posted for Sep 7th 23:59 to Sep 8th 04:00. (starbase.texas.gov, archive, ViX)
• Production site: Gigabay construction continues. (cnunez)
• The launch mount servicing structure has been transferred to SPMTs. (Anderson)
• Booster aft section is (probably) fit checked with the horizontal booster transportation frame. (ViX)
• Booster lifting jig is hoisted in Megabay 1. (ViX)
• Booster cryo stand enters Megabay 1. (Avid Space, ViX)
• B22 is transferred to the cryo stand. (efraser77, Blobifie)
• McGregor: R3.236 returns from the testing area. (SpaceRhin0)
• Florida: Venting from Pad 39A is observed. (NSF)

2026-09-08:

• Sep 7th addendum: The new roof for Tower 1 is relocated by SPMTs. (ViX)
• Pad 1: The yellow rented LR11000 crane lifts the roof off the ground, but sets it back down shortly after. (ViX, ViX)
• Pad 2: Overnight, the launch mount service structure rolls out to Pad 2. (NSF, Avid Space, ViX)
• The chopsticks, landing rails, and stabiliser arms are tested. (ViX)
• The booster quick disconnects, hold-down clamps, ship quick disconnect arm, and ship quick disconnect perform a fast retraction test. (ViX 2, ViX 2)
• A launch and landing deluge test is performed. (ViX 1, ViX 2, Blobifie)
• Massey’s: Overnight, B22 moves from Megabay 1 to Massey’s. (NSF, Avid Space, ViX, StarshipGazer, cnunez 1, cnunez 2, Blobifie 1, Blobifie 2)
• Road delays for “Production to Masseys” are posted for Sep 8th 23:59 to Sep 9th 04:00 and Sep 9th 23:59 to Sep 10th 04:00. (starbase.texas.gov, archive, ViX)
• Production site: B23’s aft section enters Megabay 1. (ViX)
• B23’s LOX landing tank enters Megabay 1. (ViX)
• A bridge crane girder section is staged outside of the Gigabay. (ViX, Gisler)
• The crane which was obstructing the Avid Space Rover 1 camera is moved. (ViX)
• The bridge crane girder section enters the Gigabay. (ViX)
• The girder section is offloaded from the transport in the Gigabay, and the Megabay 2 bridge crane lifts the two-point ship lifting jig. (ViX)
• The girder section is moved over to the left side of the Gigabay. (ViX)
• Ship cryo stand enters Megabay 2. (Avid Space, ViX, Blobifie)
• McGregor: R3.240 (new highest) and R3.237 head towards the testing area. (SpaceRhin0 1, SpaceRhin0 2)
• R3.236 returns from its 3rd round of testing. (SpaceRhin0)
• S40 recovery: Forte is currently anchored off the coast of Madagascar, likely waiting for weather to improve. (interstellargw)

2026-09-10:

• Sep 9th addendum: The Pad 2 chopstick stabiliser arms are tested. (ViX)
• Massey’s: Overnight, B22 performs a cryo test. (Avid Space, ViX, Blobifie)
• S42 moves from Massey’s to Megabay 2. (NSF 1, NSF 2, Avid Space 1, Avid Space 2, ViX 1, ViX 2, ViX 3, StarshipGazer 1, StarshipGazer 2, Gomez, Blobifie)
• Road delay for “Production to Masseys” is posted for Sep 10th 23:59 to Sep 11th 04:00. (starbase.texas.gov, archive, ViX)
• SpaceX propose construction of a 2.7-mile (4.3 km) heavy-haul route to transport ships and boosters between Massey’s and the production site. The route would consist of an 38-foot-wide (12 m) travel surface with 1-foot-wide (0.3 m) shoulders and a 3:1 max fill slope on the north side. (swg.usace.army.mil, Avid Space, interstellargw 1, interstellargw 2)
• Production site: Overnight S43’s transfer tubes move from Starfactory to Megabay 2. (ViX)
• The Megabay 2 bridge crane picks up the ship lifting jig. (ViX)
• B23’s F2:4 section moves from Starfactory to Megabay 1. (Avid Space, ViX)
• S42 is transferred from the cryo stand to a transport stand. (Avid Space, ViX, TrackingTheSB, Blobifie)
• Launch site: The yellow rented LR11000 crane is disconnected from the recently lifted Tower 1 roof. (ViX 1, ViX 2)
• Road delay for “Production to Pad” is posted for Sep 10th 20:00 to Sep 10th 22:00. (ViX)
• Construction of the Pad 1 flame trench continues. (RGV Aerial)
• Back-to-back deluge tests are performed at Pad 2. (Avid Space, ViX, Blobifie 1)
• S42 rolls out to the launch site and is positioned between the Pad 2 chopsticks. (TrackingTheSB, NSF, efraser77, Blobifie 1, Blobifie 2, Blobifie 3, Blobifie 4, Blobifie 5)
• S40 recovery: Forte has passed Madagascar. (JConcilus)
• Flight 14: Now NET Sep 18th, per new CADENA presentation. (compass.atfm.aero (pptx warning), Avid Space, StarshipGazer)

2026-09-02:

• Massey’s: Overnight, S42 moves from the production site to Massey’s. (Avid Space, ViX, StarshipGazer 1, StarshipGazer 2, TrackingTheSB, RGV Aerial, cnunez 1, cnunez 2, Blobifie 1, Blobifie 2, Blobifie 3, Blobifie 4)
• S42 flap testing. (ViX)
• New temporary flight restriction is posted for Sep 2nd 19:23 UTC to Sep 12th 05:00 UTC, presumably for S42 cryo testing. (Avid Space, FAA)
• Road delay for “Masseys to Production” is posted for Sep 2nd 23:59 to Sep 3rd 03:59. (starbase.texas.gov, archive, ViX)
• The old ship cryo stand leaves the testing area. (ViX)
• Pad 2: Chopstick landing rails are tested. (ViX)
• McGregor: A possible HLS hatch/airlock mockup is observed. (NSF, lewisknaggs42, mcrs987)
• Flight 14: The FAA publish a Finding of No Significant Impact for additional Starship reentry and landing trajectories, including North Pacific, Southeast Pacific, and Hawaiian/Central Pacific contingency splashdown zones. (Avid Space, FAA)

2026-09-04:

• Overnight, S42 completes its 2nd cryo test. (ViX, Blobifie)
• Brownsville Port: Road delay for “Port to Production” is posted for Sep 4th 23:59 to Sep 5th 04:00. (starbase.texas.gov, archive)
• Massey’s: Speculation on some of the structural tests conducted on S43.1. (Killip 1, Killip 2)
• Production site: S43’s A3 section enters Megabay 2. (ViX, Blobifie)
• The launch mount service structure has been stacked and the plates have been bolted together. (Killip 1, Killip 2)
• All four corner sections and all four middle sections of the Pad 1 launch mount are now in place. (Killip)
• Pad 2: Movement of the chopsticks, landing rails, and ship quick disconnect arm are observed. (ViX)
• The tower vent pipe is removed. (ViX)
• Highlight of the bolts used to connect the columns of the tower into the base, likely for protection from Raptor exhaust when gimballing during launch. (Killip)
• McGregor: The previous evening, a sea-level Raptor headed towards the testing area. (SpaceRhin0)
• R3.236 (new highest) returns from the testing area. (SpaceRhin0)
• S40 recovery: Forte still scheduled to arrive at Starbase on Oct 8th. (interstellargw)

2026-09-05:

• Brownsville Port: A horizontal ship transport frame moves from Brownsville Port to the production site. (NSF, ViX)
• Massey’s: Road delay for “Masseys to Production” is posted for Sep 5th 23:59 to Sep 6th 04:00. (starbase.texas.gov, archive)
• Florida: A horizontal ship transport frame and a booster stand are moved from Roberts Road to the KSC turn basin, staged for shipment to Starbase Texas. (NSF, Avid Space, ViX, Golden)