No fatalities

30 Apr 2017: NORTH WING UUM INC SPORT X2-N NO SERIES — Boulder City, NV

Boulder City, NV, United States

On 30 Apr 2017, a NORTH WING UUM INC SPORT X2-N NO SERIES was involved in an aviation accident near Boulder City, NV. No fatalities were reported. Investigators recorded the probable cause as: The student pilot’s exceedance of the weight-shift-control aircraft’s critical angle of attack and the flight instructor’s delayed remedial action and failure to maintain the proper airspeed after encountering localized turbulence during approach, which… 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

During touch-and-go landings on a dried lake bed, a weight-shift-control aircraft encountered strong localized turbulence from dust devils, leading to a wing stall and hard nose wheel landing, causing substantial wing damage.

Accident Summary

A weight-shift-control aircraft sustained substantial damage to both wings after a hard landing on a dried lake bed. The student pilot and flight instructor were practicing touch-and-go landings at the time of the accident.

Pilot Reports

The student pilot reported that the flight instructor was controlling the throttle inputs while she controlled the wing. Just before the accident, she observed three dust devils to the east. During a final pass near the north end of the lake bed, they encountered strong localized turbulence, causing the aircraft to impact the ground and roll to the left.

The flight instructor reported that during the turbulence encounter, approximately 4 to 6 feet above the ground, the wing stalled, resulting in a hard nose wheel landing. The instructor stated that there were no preaccident mechanical failures or malfunctions that would have precluded normal operation.

Damage

The weight-shift-control aircraft sustained substantial damage to both wings.

Meteorological Information

The flight instructor reported light and variable winds, with a temperature of 70°F at the accident location. Recorded data from an automated weather observation station approximately 6 miles northeast of the accident site indicated calm winds and a temperature of 64°F around the time of the accident.

Contributing factors

Causes

Student/instructed pilotCapability exceededInstructor/check pilotAirspeed — Not attained/maintained

Other contributing factors

Effect on operation