No fatalities

Helicopter Dynamic Rollover After Spray Boom Catches on Sprinkler Riser

Salinas, CA, United States

On July 19, 2014, a BELL 206B B3 operated by R&B Helicopters was involved in an aviation accident near Salinas, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to ensure adequate clearance from ground obstacles during takeoff which resulted in loss of aircraft control. 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 experienced a dynamic rollover during repositioning after landing in a field, when its right spray boom caught on a sprinkler head riser. The helicopter sustained substantial damage to the tail boom and main rotor blades.

Accident Details

The pilot reported landing in a field that contained irrigation sprinkler pipes arranged in rows. During takeoff and forward movement to reposition the helicopter, the right side spray boom caught on one of the sprinkler head risers. This contact triggered a dynamic rollover of the helicopter to the right. The helicopter came to rest on its right side.

Damage

The accident resulted in substantial damage to the tail boom and damage to the main rotor blades. No other damage items were reported.

Pilot Report

The pilot reported no preimpact mechanical malfunctions or failures that would have precluded normal operation of the helicopter. The incident appears to have resulted solely from the contact between the spray boom and the sprinkler riser during the repositioning maneuver.

Contributing factors

Causes

PilotDirectional control — Not attained/maintained

Other contributing factors

Contributed to outcome

Frequently asked questions

What happened in the 19 Jul 2014 BELL 206B B3 accident near Salinas, CA?

A helicopter experienced a dynamic rollover during repositioning after landing in a field, when its right spray boom caught on a sprinkler head riser. The helicopter sustained substantial damage to the tail boom and main rotor blades.

Were there any fatalities in the 19 Jul 2014 BELL 206B B3 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 19 Jul 2014 involved a BELL 206B B3, operated by R&B Helicopters, at Salinas, CA.

What was the probable cause of the accident?

The pilot's failure to ensure adequate clearance from ground obstacles during takeoff which resulted in loss of aircraft control.