Ashton Kutcher and Demi Moore were left terrified after their private plane was forced to make an emergency landing due to overheated engine.

While writing on his Twitter page, the 31-year-old actor said that he’s “happy to be alive”.

“My plane just had to do an emergency landing. Engine over heated. Fire engines everywhere good times. happy to be alive. (sic)” Contactmusic quoted him as saying.

Demi also took to the social networking site after the incident and said, “Yep it is always an adventure in Vegas emergency landing and all (sic).”

Ashton and Demi were on their way to New York following the premiere of ”Spread” – a comedy about a womaniser and his unhappy lover – in Las Vegas.