No fatalities

30 Sep 2010: ROBINSON R22 MARINER — Hillsboro Aviation Inc — Portland, OR

Portland, OR, United States

On 30 Sep 2010, a ROBINSON R22 MARINER operated by Hillsboro Aviation Inc was involved in an aviation accident near Portland, OR. No fatalities were reported. Investigators recorded the probable cause as: The student pilot's decision to hover-taxi behind a jet, resulting in the helicopter encountering jet wash and rolling over. This summary draws on records from NTSB; 13 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A helicopter rolled onto its side and impacted the ground after passing behind an Embraer jet holding short of a runway, due to unexpected jet blast.

Incident Overview

A student pilot was returning to his home airport when the accident occurred. On final approach, the pilot noticed another helicopter at the parking area and altered his course towards taxiway Alpha. He completed his approach, coming to a hover about 3 to 5 feet above the ground, then commenced a hover-taxi to his parking spot.

Maneuver and Jet Encounter

To reach his intended parking spot, the pilot stated he would have to pass behind an Embraer jet that was holding short of the runway. The pilot reported that he was not expecting the jet blast produced by the turbine engines. As the helicopter passed behind the airplane, it yawed to the left and rolled onto its side, impacting the ground.

Witness Observations

According to witnesses, the accident helicopter passed 10 meters (33 feet) behind the jet at an altitude of about 3 feet above the ground.

Contributing factors

Student pilot