NASA Identifies Cause of Mars Helicopter’s Final Crash — VOA Learning English
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The American space agency NASA says it has found the likely cause of a crash that grounded its Mars helicopter Ingenuity.
The finding comes after NASA said it had carried out the “first aircraft accident investigation on another world.”
Ingenuity arrived on Mars along with NASA’s Perseverance explorer, or rover, in February 2021. The experimental helicopter took its last flight, number 72, in January. That flight ended in a hard landing on the Martian surface.
In April 2021, Ingenuity became the first aircraft to complete a powered, controlled flight on another planet. The aircraft was built to test take-off, short flight and landing operations. The flights on Mars aimed to support NASA’s…
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