BELL 47G

De Queen, AR — July 25, 2015

Event Information

DateJuly 25, 2015
Event TypeACC
NTSB NumberGAA15CA202
Event ID20150728X25319
LocationDe Queen, AR
CountryUSA
Coordinates34.02639, -94.15417
Highest InjuryMINR

Aircraft

MakeBELL
Model47G
CategoryHELI
FAR Part137
Aircraft DamageSUBS

Conditions

Light ConditionDAYL
WeatherVMC

Injuries

Fatal0
Serious0
Minor1
None0
Total Injured1

Event Location

Probable Cause

The pilot's failure to conduct helicopter performance planning, which resulted in an uncontrolled descent and impact with a truck and terrain during takeoff from an elevated platform.

Full Narrative

According to the pilot of the skid-equipped helicopter, he had loaded the helicopter with the liquid to be used during the agricultural aerial application flight. The pilot and operator both stated during interviews, that performance planning calculations were not performed prior to the flight, regarding adjustments pertaining to weight and balance, density altitude, out of ground effect capability or in ground effect capability. According to the operator, an FAA approved weight and balance form was not provided to the pilot until after the accident.

The pilot stated that during the takeoff from the elevated platform, he increased collective, established a 2 inch hover, applied forward cyclic, and the helicopter, "about a foot or two from the platform, shook violently and started to descend." The pilot recounted that he turned the nose of the helicopter approximately 45 degrees to the left and the main rotor blades impacted the tank truck upon which the elevated platform was mounted.

When asked, the pilot stated that, "the temperature was hot, possibly in the lower 80 degrees Fahrenheit, and no wind." The nearest weather station was 7 miles east of the accident site and reported 100 percent humidity, a temperature of 73.4 degrees Fahrenheit, a dew point of 73.4 degrees Fahrenheit, no wind and a density altitude of 1,698.7 feet, at an airport elevation of 355 feet. The accident site elevation was 457 feet.

The helicopter sustained substantial damage to the fuselage and main rotor system.

The pilot reported that there were no mechanical malfunctions or failures with the helicopter prior to the flight that would have precluded normal operation.

About This NTSB Record

This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.

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