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Musk blames SpaceX’s latest Starship explosion on Raptor engine leak
CEO Elon Musk says that SpaceX’s latest Starship test flight ended with a midair explosion because a “small” leak started on one of the rocket’s three Raptor engines.
As promised, the new information offers some insight into the cause of Starship SN11’s premature demise and the challenges of iteratively developing systems as complex as a fully-reusable Saturn V-class launch vehicle. On March 30th, after about a week of delays, Starship SN11 lifted off on SpaceX’s fourth high-altitude launch and landing test while all but completely obscured by a thick bank of fog.
Despite the unfortunate weather conditions, which prevented almost any kind of view of the launch outside of Starship’s own cameras, the rocket performed about as well as its three predecessors, reaching a planned apogee of 10 km (6.2 mi) before free-falling belly-first back to earth. At T+5:49, however, things went wrong.
At that point, Starship tried to ignite its three Raptor engines to flip into a tail-down landing configuration, at which point two of those engines would be shut down, leaving the healthiest of the three to attempt a soft landing. Something immediately went wrong and both telemetry, live video, and the countdown clock froze with a view of one partially ignited Raptor engine.
Notably, as pictured in the image at the top of this article, it’s possible that the “small [methane] leak” Musk has blamed for SN11’s failure was visible on Raptor engine SN52 less than 30 seconds after Starship lifted off, leaving plenty of time for a high-pressure fire to severely damage the faulty engine and its adjacent partners. The SpaceX CEO says that the resultant fire “fried part of [the] avionics” controlling one or all three Raptors, “causing [a] hard start” that damaged or destroyed one or all of the engines when they attempted to begin their landing burns.
Based on analysis of unofficial videos taken by cameras near the Starship launch site, it’s been deemed likely that SN11 exploded not because its flight termination system (FTS) triggered – but because of Raptor’s violent, explosive “hard start.” Ultimately, it’s not clear if ever SpaceX itself will ever be able to paint a truly clear picture of what exactly happened to SN11, but Musk says that the suspect Raptor leak “is getting fixed [six] ways to Sunday.” It’s possible that an upgraded Raptor engine Musk has hinted will debut on Starship SN15 has already fully or partially dealt with whatever is at the root of SN11’s engine leak and hard start(s).
-->Either way, SN15 is already expected to roll to the launch pad as early as this week – mere days after SN11’s explosion – and SpaceX wont have to wait long to test whatever fixes it implements as the upgraded vehicle works towards static fire tests and its own launch debut.
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Tesla continues growing its Cybercab production team with new job listings
Both positions are based in Gigafactory Texas, the site of the Cybercab’s initial production.
Tesla continues to build out its workforce for the upcoming Cybercab, with two new job listings for quality inspectors for the autonomous two-seater being listed in the company’s official Careers website.
Both positions are based in Gigafactory Texas, the site of the Cybercab’s initial production.
New Cybercab listings
Tesla recently added openings for “Quality Inspector, Cybercab” and “Quality Inspector, Cybercab – Incoming Quality” on its Careers website. The roles involve detailed inspections of Cybercab components using precision tools such as calipers, micrometers, and gauges, among others. Candidates must also identify non-conformances, document findings in Tesla’s quality management system and collaborate with production teams to resolve issues swiftly.
Overall, these new Cybercab-related roles highlight Tesla’s emphasis on precision for the two-seater’s innovative features, such as its inductive charging setup, which is not available on any Tesla consumer vehicle today. If any, the Cybercab’s Quality Inspectors will likely be operating in uncharted territory as the vehicle is being produced using Tesla’s new Unboxed process. Elon Musk has also noted that the Cybercab’s production line will resemble a high-speed consumer electronics line instead of a conventional automotive line.
Recent Cybercab Design Evolutions
Since its October 2024 unveiling, the Cybercab has undergone several refinements visible in recent prototypes, enhancing aerodynamics and manufacturability ahead of production. The tail design now rises slightly for better airflow, with a shortened rear body panel and repositioned red reflectors farther from the wheel arches.
-->Front-end updates include segmented daytime running lights, actual turn signals and a sharper splitter, while side repeater cameras have shifted forward for improved visibility. Tesla has also enlarged door panels for easier ingress and egress, swapped to unpainted tires without extended covers and adjusted the B-pillar forward and lower, likely to foster a more open cabin feel.
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Tesla starts laying the groundwork for FSD tests in Austria
The job opening comes as the company pushes regulatory approvals and data collection in new European markets.
Tesla seems to be ramping its efforts to hire key personnel for FSD’s eventual expansion in Europe. This was hinted at in a new job listing for a vehicle operator role in Vienna, Austria.
The job opening comes as the company pushes regulatory approvals and data collection in new European markets.
Vienna’s vehicle operator role
Tesla posted the job for “Fahrer (Vehicle Operator) (m/w/d)” in its Vienna office on its Careers website, seeking candidates to drive and monitor test vehicles as part of the Autopilot and AI team. The role involves collecting real-world driving data to refine Full Self-Driving systems for the country’s local roads. Responsibilities include operating vehicles in urban and highway environments, documenting system performance, among other tasks.
Applicants need a valid Austrian driver’s license and at least two years of driving experience. Fluency in English is essential, along with a familiarity with driver assist systems. Tesla noted that the position offers a minimum annual gross salary of EUR 32,000, though relevant professional experience and qualifications will be taken into account. Similar to other Tesla roles, the position also offers TSLA stock as an incentive.
Tesla’s FSD Push in Europe
Tesla’s FSD efforts in Europe have accelerated in recent months, with significant progress in Spain serving as a key milestone. In July 2025, Spain’s Directorate-General for Traffic launched the ES-AV framework to standardize automated vehicle testing, authorizing Tesla for nationwide FSD trials with 19 vehicles under Phase 3, which allows optional onboard safety operators and remote monitoring.
-->The program, running through November 2027, aims to position Spain as a leader in the field, as DGT stated: “The program is designed to complement and enhance oversight, regulation, research, and transparency efforts, as well as to support innovation and advancements in automotive technology and industry.”
Beyond Spain, Tesla has conducted FSD demonstrations in Germany, France and Italy for consumers, while pursuing national approval in the Netherlands for early 2026.
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Tesla Semi factory looks almost complete during Thanksgiving weekend
Based on recent drone videos, the Tesla Semi factory looks practically ready to start operations.
It appears that the Tesla Semi factory near Giga Nevada is already hard at work preparing for the initial production of the Class 8 all-electric truck. This was, at least, hinted at in a recent drone flyover of the facility from a longtime watcher.
The Tesla Semi factory after Thanksgiving
Drone operator and Tesla Semi advocate @HinrichsZane recently shared some footage he captured of the upcoming facility during the Thanksgiving weekend. Based on his video, it appears that Tesla gave its employees in the area the weekend off. One thing is evident from the video, however, and that is the fact that the Tesla Semi factory looks practically ready to start operations.
The Tesla Semi watcher did point out that the electric vehicle maker is still busy bringing in production equipment into the facility itself. Once these are installed, it would not be surprising if initial production of the Tesla Semi begins.
A new Tesla Semi
The upcoming completion of the Tesla Semi factory near Gigafactory Nevada seems all but inevitable in the coming months. What would be especially interesting, however, would be the vehicles that would be produced on the site. During Elon Musk’s presentation at the 2025 Annual Shareholder Meeting, a glimpse of the production Tesla Semi was shown, and it looks quite a bit different than the Class 8 all-electric truck’s classic appearance.
As could be seen in the graphic from the CEO’s presentation, the updated Tesla Semi will feature slim lightbar headlights similar to the new Tesla Model Y, Cybertruck, and the Cybercab. Tesla also teased a number of aerodynamic improvements that increased the truck’s efficiency to 1.7 kWh per mile. Extended camera units, seemingly for FSD, could also be seen in the graphic.
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Tesla continues growing its Cybercab production team with new job listings
Tesla starts laying the groundwork for FSD tests in Austria
