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Musk blames SpaceX’s latest Starship explosion on Raptor engine leak

CEO Elon Musk says that a "small" leak on one of Starship SN11's Raptor engines led to the rocket's failed landing attempt. (SpaceX)

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5 years ago

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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.

The engine on the left here appears to have been the leaky culprit. (SpaceX)

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).

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[Update: fully stacked] SpaceX speeds up work on Starship with “hundreds” of upgrades

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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Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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Elon Musk hints at when Tesla can fix this FSD complaint with v14

Tesla has worked on resolving the issue and has worked on it with subsequent rollouts, but it has only improved slightly. The company has mentioned that it is working to fix it completely, but it seems the next big Software Update to actually resolve the issue altogether will likely be 14.2.

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6 hours ago

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November 12, 2025

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Credit: Tesla

Tesla CEO Elon Musk hinted at when the company will resolve a major complaint with the Full Self-Driving suite. This particular issue has been persistent and a common complaint within the v14 suite.

Tesla has had its v14 FSD rollout deployed for over a month, and its earliest iterations featured a vast majority of improvements from the past versions. However, one common complaint has continued to be mentioned: stuttering and hesitancy.

Tesla Full Self-Driving’s biggest improvements from v13 to v14

Most commonly, FSD users have experienced this at intersections when the Tesla is at a complete stop. The vehicle will inch forward, contemplate proceeding, and then stutter pretty significantly before ultimately moving forward.

Tesla has worked on resolving the issue and has worked on it with subsequent rollouts, but it has only improved slightly. The company has mentioned that it is working to fix it completely, but it seems the next big Software Update to actually resolve the issue altogether will likely be 14.2.

Musk confirmed that on Wednesday:

When will v14.2 rollout? It’s likely a month or more away. Currently, Tesla is rolling out v14.1.7, which is the latest version and features some minor improvements to Hardware 4 vehicles.

These cars are currently on v14.1.4, but are not receiving v14.1.5 or v14.1.6, as both of those seemed to be internal releases to company employees.

The stuttering issue has been a main complaint of many FSD users, and it is something that is being addressed. Musk’s confirmation that the suite is likely to receive a fix for this issue with the next major FSD release is a sign of good things to come, but we’re hopeful it comes sooner rather than later.

Overall, v14 has been an excellent improvement from v13 with the addition of the additional Speed Profiles of Mad Max and Sloth, as well as new Arrival Options that give the driver an opportunity to let the car park in a suitable location upon arriving at the destination.

@teslarati 🚨🚨 Tesla Full Self-Driving and Yap is the best driving experience #tesla #fsd #yapping ♬ I Run – HAVEN.

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Tesla teases new market entrance with confusing and cryptic message

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18 hours ago

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November 12, 2025

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(Credit: Tesla)

Tesla teased its entrance into a new market with a confusing and what appeared to be cryptic message on the social media platform X.

The company has been teasing its entrance into several markets, including Africa, which would be a first, and South America, where it only operates in Chile.

In September, Tesla started creating active job postings for the Colombian market, hinting it would expand its presence in South America and launch in a new country for the first time in two years.

Tesla job postings seem to show next surprise market entry

The jobs were related to various roles, including Associate Sales Manager, Advisors in Sales and Delivery, and Service Technicians. These are all roles that would indicate Tesla is planning to launch a wide-scale effort to sell, manage, and repair vehicles in the market.

Last night, Tesla posted its latest hint, a cryptic video that seems to show the outline of Colombia, teasing its closer than ever to market entry:

This would be the next expansion into a continent where it does not have much of a presence for Tesla. Currently, there are only two Supercharger locations on the entire continent, and they’re both in Chile.

Tesla will obviously need to expand upon this crucial part of the ownership experience to enable a more confident consumer base in South America as a whole. However, it is not impossible, as many other EV charging infrastructures are available, and home charging is always a suitable option for those who have access to it.

Surprisingly, Tesla seems to be more concerned about these middle-market countries as opposed to the larger markets in South America, but that could be by design.

If Tesla were to launch in Brazil initially, it may not be able to handle the uptick in demand, and infrastructure expansion could be more difficult. Brazil may be on its list in the upcoming years, but not as of right now.

@teslarati 🚨🚨 Tesla Full Self-Driving and Yap is the best driving experience #tesla #fsd #yapping ♬ I Run – HAVEN.

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Tesla expands crucial Supercharging feature for easier access

It is a useful tool, especially during hours of congestion. However, it has not been super effective for those who drive non-Tesla EVs, as other OEMs use UI platforms like Google’s Android Auto or Apple’s iOS.

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21 hours ago

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November 12, 2025

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tesla supercharger
Credit: Tesla

Tesla has expanded a crucial Supercharging feature that helps owners identify stall availability at nearby locations.

Tesla said on Tuesday night that its “Live Availability” feature, which shows EV owners how many stalls are available at a Supercharger station, to Google Maps, a third-party app:

Already offering it in its own vehicles, the Live Availability feature that Teslas have is a helpful feature that helps you choose an appropriate station with plugs that are immediately available.

A number on an icon where the Supercharger is located lets EV drivers know how many stalls are available.

It is a useful tool, especially during hours of congestion. However, it has not been super effective for those who drive non-Tesla EVs, as other OEMs use UI platforms like Google’s Android Auto or Apple’s iOS.

Essentially, when those drivers needed to charge at a Supercharger that enables non-Tesla EVs to plug in, there was a bit more of a gamble. There was no guarantee that a plug would be available, and with no way to see how many are open, it was a risk.

Tesla adding this feature allows people to have a more convenient and easier-to-use experience if they are in a non-Tesla EV. With the already expansive Supercharger Network being available to so many EV owners, there is more congestion than ever.

This new feature makes the entire experience better for all owners, especially as there is more transparency regarding the availability of plugs at Supercharger stalls.

It will be interesting to see if Tesla is able to expand on this new move, as Apple Maps compatibility is an obvious goal of the company’s in the future, we could imagine. In fact, this is one of the first times an Android Auto feature is available to those owners before it became an option for iOS users.

Apple owners tend to get priority with new features within the Tesla App itself.

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