A helicopter with four people onboard made a hard landing near Borrego Valley Airport Monday, according to the Federal Aviation Administration.
The San Diego County Sheriff's Department along with Cal Fire and California park rangers were called to the location of the crash approximately three miles east of the airport just before 2 p.m.
When deputies arrived, all the people riding inside the Robinson R-44 helicopter were out of the aircraft, officials said.
Cal Fire reported at around 4:30 p.m. that the three people who were injured had been transported to the hospital via air ambulance.
Deputies are working to get ground resources to the site of the wreckage.
The helicopter is owned by Big Blue Air Corporation, a helicopter company specializing in scenic tours and flight training. NBC 7 has reached out to Big Blue Air and is awaiting a response.
The cause of the crash has not been determined.
No other information was available.
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