No fatalities

24 Jul 2017: BELL 47G 3B 3B — SCOTTS HELICOPTER SERVICE INC — Toterville, IA

Toterville, IA, United States

On 24 Jul 2017, a BELL 47G 3B 3B operated by SCOTTS HELICOPTER SERVICE INC was involved in an aviation accident near Toterville, IA. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain rotor rpm while maneuvering at low altitude with low airspeed and a tailwind. This summary draws on records from NTSB; 14 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A helicopter pilot experienced low rotor RPM during a low-altitude turn, leading to a forced landing in a corn field and substantial damage to the tailboom and horizontal stabilizer.

Accident Details

During an agricultural flight, the helicopter pilot executed a downwind turn to spray a field. While making a low-airspeed right turn, the pilot increased engine power, but the rotor RPM decreased. The pilot leveled the helicopter to clear powerline wires, yet the rotor RPM remained low. The helicopter descended, and the pilot landed in a corn field. The helicopter sustained substantial damage to the tailboom and the horizontal stabilizer.

Pilot Report

The pilot reported no preaccident mechanical malfunctions or failures with the helicopter that would have precluded normal operation.

Weather Information

The nearest METAR, located 15 nautical miles south-southeast, reported calm winds around the time of the accident.

Contributing factors

PilotEffect on operationProp/rotor parameters — Not attained/maintainedAirspeed — Not attained/maintainedAttain/maintain not possible