Techelon muskteslatesla autopilot

Tesla Driver In Fatal Autopilot Accident Was Speeding: NTSB

While the government has not determined the cause of the crash, the incident has increased scrutiny of Tesla.
Reuters

A driver killed in the May 7 crash of a Tesla Motors Inc (TSLA.O) car while using Autopilot driving-assist software was speeding, U.S. highway safety investigators said on Tuesday in a preliminary report that did not state a probable cause.

The U.S. National Transportation Safety Board (NTSB) said its preliminary findings showed the Model S was traveling at 74 miles per hour (mph) in a 65-mph zone at the time it struck a semi-truck near Williston, Florida.

Joshua Brown was killed when his vehicle drove under the tractor trailer. It was the first known fatality involving a Model S operating on the Autopilot system that takes control of steering and braking in certain conditions. The accident increased scrutiny of automated driving technology.

The report said the NTSB confirmed the Model S driver was using the advanced driver assistance features Traffic-Aware Cruise Control and Autosteer lane-keeping assistance at the time. The NTSB has not yet determined the probable cause of the crash.

Tesla did not immediately respond to a request for comment. Tesla chief executive Elon Musk has repeatedly said the company has no plans to disable the feature.

The NTSB report said the force of the initial impact of the crash resulted in the battery disengaging from the electric motors powering the car. After exiting from underneath the truck, the car traveled 297 feet, then collided with a utility pole. The car broke the pole and traveled an additional 50 feet.

Tesla faces a separate investigation by the U.S. National Highway Traffic Safety Administration (NHTSA) into whether the system poses an unreasonable risk to driver safety.

The NHTSA also wants to know what Tesla investigators have learned about the crash. On July 8, that agency sent a nine-page letter to Tesla requiring the Palo Alto, California-based automaker to file responses in the coming weeks.

(Reporting by David Shepardson; Editing by James Dalgleish and Jeffrey Hodgson)

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A customer inspects a solar panel that is linked to a Tesla Motors Inc. Powerwall at a home in Monkton, Vermont, U.S., on Monday, May 2, 2016. A year after Elon Musk unveiled the Powerwall at Tesla Motors Inc.s design studio near Los Angeles, the first wave of residential installations has started in the U.S. The 6.4-kilowatt-hour unit stores electricity from home solar systems and provides backup in the case of a conventional outage. (credit:Ian Thomas Jansen-Lonnquist/Bloomberg/Getty Images)
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A customer inspects a Tesla Motors Inc. Powerwall unit inside a home in Monkton, Vermont, U.S., on Monday, May 2, 2016. A year after Elon Musk unveiled the Powerwall at Tesla Motors Inc.s design studio near Los Angeles, the first wave of residential installations has started in the U.S. The 6.4-kilowatt-hour unit stores electricity from home solar systems and provides backup in the case of a conventional outage. (credit:Ian Thomas Jansen-Lonnquist/Bloomberg/Getty Images)
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A Tesla Motors Inc. Powerwall unit sits inside a home in Monkton, Vermont, U.S., on Monday, May 2, 2016. A year after Elon Musk unveiled the Powerwall at Tesla Motors Inc.s design studio near Los Angeles, the first wave of residential installations has started in the U.S. The 6.4-kilowatt-hour unit stores electricity from home solar systems and provides backup in the case of a conventional outage. (credit:Ian Thomas Jansen-Lonnquist/Bloomberg/Getty Images)
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A customer holds a ladder before inspecting a solar panel that is linked to a Tesla Motors Inc. Powerwall at a home in Monkton, Vermont, U.S., on Monday, May 2, 2016. A year after Elon Musk unveiled the Powerwall at Tesla Motors Inc.s design studio near Los Angeles, the first wave of residential installations has started in the U.S. The 6.4-kilowatt-hour unit stores electricity from home solar systems and provides backup in the case of a conventional outage. (credit:Ian Thomas Jansen-Lonnquist/Bloomberg/Getty Images)
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