No fatalities

7 Mar 2018: HUGHES 369D D — High Line Helicopters — Blair, WI

Blair, WI, United States

On 7 Mar 2018, a HUGHES 369D D operated by High Line Helicopters was involved in an aviation accident near Blair, WI. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline. 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 Hughes 369D helicopter conducting external load operations contacted a powerline near Blair, Wisconsin, seriously injuring a lineman. The helicopter was undamaged and the pilot uninjured.

Accident Details

On March 7, 2018, at approximately 1400 central standard time, a Hughes 369D helicopter engaged in a rotorcraft external-load operation was involved in an incident near Blair, Wisconsin. The helicopter, registered to HLH Holdings, LLC and operated by High Line Helicopters, LLC, was transporting a utility lineman via a long line as part of a powerline installation project. During the lift, the lineman contacted an existing powerline and sustained serious injuries. The helicopter itself was not damaged, and the pilot reported no injuries. Visual meteorological conditions prevailed, and the flight was not on a flight plan. The accident occurred shortly after departure.

Pilot Report

The pilot stated that after the lineman attached to the long line, he began lifting him to a nearby structure. The lineman inadvertently contacted an active powerline. The pilot noted that the powerline was not visible from his perspective until it was too late to alter the flight path. After the contact, the lineman was set back on the ground to await emergency medical services. The pilot recommended better recognition of hazards and obstructions during external load operations.

Weather Conditions

Weather reported at a nearby airport included a broken ceiling at 3,700 feet above ground, visibility of 10 miles, and no precipitation.

Contributing factors

Pilot