No fatalities

2 Jul 2015: ROBINSON HELICOPTER COMPANY R44 II II — WARNER FARM CORP. — Forest City, SD

Forest City, SD, United States

On 2 Jul 2015, a ROBINSON HELICOPTER COMPANY R44 II II operated by WARNER FARM CORP. was involved in an aviation accident near Forest City, SD. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to monitor the flight environment for adequate terrain/obstacle clearance during takeoff, which resulted in the inflight collision with power transmission line wires. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A helicopter pilot reported that after dropping off a passenger on a road, the aircraft struck power transmission line wires during takeoff in smoky and hazy conditions, then impacted the ground and skidded to a stop, resulting in substantial damage.

Incident Overview

After dropping off a passenger on a road, a helicopter pilot departed to the east amid smoky and hazy conditions. Shortly after takeoff, the aircraft impacted power transmission line wires that crossed the road. The helicopter subsequently struck the ground and skidded to a stop.

Pilot Report

The pilot reported that there were no pre-impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. The incident was attributed to environmental conditions and wire strike.

Damage Assessment

The helicopter sustained substantial damage to the main rotors, upper arm, and fork assembly.

Conclusion

The event occurred during a departure in reduced visibility due to smoke and haze, leading to an unintended encounter with power line wires. No pre-existing mechanical issues were noted.

Contributing factors

Causes

Pilot

Other contributing factors

Damaged/degradedAwareness of conditionEffect on operation