A helicopter out of Hillsboro made an emergency landing Thursday morning at

in Southwest Portland, but no one was injured. The pilot set the chopper down in the school's athletic field a little after 10 a.m.

The blue helicopter was flying through the area when a warning light came on in the cockpit, said Sgt. Pete Simpson, a spokesman for the Portland Police Bureau.

Police Sgt. Greg Pashley said there were two people on board the aircraft.

"This is a very windy road, hilly section of Portland, lots of homes, a school, obviously and they were alert enough to find a nice big field where they felt like they needed to put the helicopter down," Pashley said.

Portland Public Schools issued a news release saying that the students at the school were inside the building at the time of the incident.

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On Oct. 10, 2010, a small, single engine airplane that was experiencing mechanical problems also landed at the school.

Officials jokingly referred to the field as the Robert Gray Regional Airport.

There were no injuries in that landing either. When Portland police arrived, they learned that the helicopter was a training craft from Hillsboro Aviation.

Simpson said a flatbed truck is enroute to pick-up the helicopter and the Federal Aviation Administration is responding to conduct an investigation.

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