Casualties unknown

2006-04-08: Robinson R22 BETA (N921U) — Upper Limit Aviation — Tooele, UT

Tooele, UT, US

On April 8, 2006, a Robinson R22 BETA (registration N921U) operated by Upper Limit Aviation was involved in an aviation accident near Tooele, UT. Investigators recorded the probable cause as: The pilot's failure to maintain control of the helicopter during the takeoff initial climb, which resulted in an in-flight collision with the ground. A contributing factor was the gusty wind condition. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

A flight instructor and student refueled at an airport. During a climb to 50-70 ft AGL, the helicopter ceased climbing and was pushed aft and down, then struck the ground, rolling onto its left side.

Accident Summary

A flight instructor and his student were conducting a training flight. They landed at an airport to refuel before continuing the lesson. After refueling, the instructor restarted the helicopter and hovered to position for takeoff. He initiated a climb to the southwest with an indicated airspeed of 45 knots. The wind was reported as "17 gusting 24" knots.

Sequence of Events

According to the instructor, upon reaching an altitude of 50 to 70 feet above ground level (AGL), the aircraft ceased climbing and began to be pushed aft and down. The instructor attempted to regain control but was unsuccessful. The helicopter struck the ground in a level attitude. The front of the left skid caught in soft, uneven ground, causing the helicopter to roll to the left. As it rolled, the main rotor blade struck the tail cone, and the helicopter came to rest on its left side.

Pilot Statements

The instructor reported that there was no mechanical malfunction or failure of the helicopter prior to the accident. No other contributing factors were mentioned.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20060501X00493. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.