(KRON) — A small plane crash occurred Saturday night at the Smith Ranch Airport in San Rafael, killing one person and critically injuring another.

Just before midnight, the plane’s tailfin struck power lines and crashed in a marsh at the east end of the runway, creating a power outage for nearly 2,000 PG&E customers, according to the San Rafael Fire Department. 

The plane was located in a wetlands area with power lines wrapped around it, making access for emergency crews difficult, according to the Marin County Sheriff’s Office.

Two passengers were extricated from the plane by the San Rafael Fire Department. One of the passengers had to be airlifted to John Muir Medical Center in Walnut Creek with critical injuries, CHP said. The other was pronounced deceased at the scene.

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The two passengers were flying from Minden, Nevada to San Rafael. The cause of the crash is being investigated by the Marin County Sheriff’s Office and its Coroner’s Division along with the National Transportation Safety Board.

An autopsy is scheduled for the deceased passenger to determine the cause of death. Power has since been restored.

This is developing news. Stick with KRON4 for updates.