SANTA BARBARA, Calif. -- The Oscar-winning composer James Horner has died in a small plane crash.
Horner was flying his plane Monday, when it went down in a remote area near Santa Barbara, California.
It's still not clear what caused the crash.
Horner won two Academy Awards for the movie "Titanic."
He has been nominated 10 times.
He's scored numerous blockbuster films like "Braveheart," "Avatar" and "Field of Dreams."
He was 61.
James Horner, Hollywood composer who wrote score for Oscar-winning film Titanic, dies in California plane crash http://t.co/x62mUlvuUI
— BBC Breaking News (@BBCBreaking) June 23, 2015
Celebrities including Ron Howard, Seth MacFarlane and Russell Crowe used social media to pay tribute to Horner's memory.
Brilliant Composer James Horner, friend & collaborator on 7 movies has tragically died in a plane crash. My heart aches for his loved ones.
— Ron Howard (@RealRonHoward) June 23, 2015
Incredibly saddened to hear about the loss of James Horner. I grew up loving his work. He leaves behind a spectacular musical legacy.
— Seth MacFarlane (@SethMacFarlane) June 23, 2015
My sincere condolences to the family, loved ones and friends of James Horner. #abeautifulmind
— Russell Crowe (@russellcrowe) June 23, 2015