BIG BEAR LAKE ( — Authorities Saturday say it’s nothing short of incredible that four passengers survived after their small plane made an emergency landing into Big Bear Lake.

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FAA Communications Specialist Allen Kenitzer said the Beech A36 Bonanza lost engine power and plowed into shallow water. The aircraft landed upside down around 10:40 a.m. near the lake’s south shoreline.

Local authorities reported that the four passengers managed to swim to shore with only minor injuries.

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Officials at Big Bear Airport told CBSLA that the small plane made a call inbound but lost altitude and was unable to make it to the runway.

Cynthia Bachman, a spokesperson for the San Bernardino County Sheriff’s Department, said deputies are investigating the incident.

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No further information was made available.