No fatalities

Helicopter Strikes Guy-Wire During Agricultural Spray Operation

Allen, NE, United States

On July 31, 2014, a ROBINSON HELICOPTER R44 UNDESIGNAT operated by SHENANDOAH AGRICULTRUAL SPRAY SERVICE IN was involved in an aviation accident near Allen, NE. No fatalities were reported. Investigators recorded the probable cause as: The pilot did not ensure sufficient obstacle clearance for potential wind conditions, which resulted in his loss of control of the helicopter. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

A helicopter conducting an agricultural spray operation lost control after encountering stronger winds and turbulence, striking a power line guy-wire and impacting the ground nose-first.

Accident Sequence

The helicopter pilot was conducting an agricultural spray operation over a sloped field with several hills and valleys. During approximately the fortieth pass, as the pilot approached a set of midfield power lines, stronger winds with significant turbulence were encountered. The pilot subsequently lost control of the helicopter, which then struck a guy-wire supporting the midfield power lines. After striking the guy-wire, the helicopter impacted the ground in a nose-first attitude.

Background

The operation involved spraying a sloped agricultural field. The pilot had completed numerous passes prior to the accident. The field's terrain included hills and valleys, and midfield power lines were present. No other details about the operation or the helicopter have been specified.

Contributing factors

Causes

PilotAltitude — Not attained/maintained

Other contributing factors

Response/compensationContributed to outcome