ROBINSON HELICOPTER R44 near Aguadilla, PR — 2010-08-08
- Date
- 2010-08-08
- Location
- Aguadilla, PR, USA
- Aircraft
- ROBINSON HELICOPTER R44
- Registration
- N367JM
- Category
- Helicopter
- Highest injury
- Minor
- Fatalities
- 0
Probable cause
The pilot's inadequate preflight performance calculations, which resulted in the overweight helicopter's lack of hover capability out of ground effect.
NTSB narrative
The pilot reported that during the takeoff the helicopter encountered a downdraft about 20 feet above the hilltop helipad. He stated that he attempted to compensate for the wind with a collective input, but the helicopter descended and struck the downsloping hillside. The helicopter came to rest on its side and incurred substantial damage during the accident sequence. The pilot stated that there were no mechanical malfunctions or failures with the helicopter. Review of performance documents in the Pilot's Operating Handbook for the helicopter revealed that it was loaded 94 pounds above the maximum gross weight and 120 pounds above the maximum allowable gross weight for out-of-ground-effect hover maneuvers for the environmental conditions present at the time of the accident.
NTSB coding
Evidence available
- Photos
- 9 docket documents
Docket documents9
- Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (Accessable Text Format)form
- Memorandum for Record: Telephone Interview - FAA Inspectorinterview
- Memorandum for Record: Telephone Interview - Pilotinterview
- Witness Statementsinterview
- Out of Ground Effect Hover vs. Gross Weight Chartother
- Weight and Balance Plotother
- Photo 1: Helicopter at accident site (courtesy of FAA)photos
- Photo 2: Overall view of accident site and helipad (courtesy of FAA)photos
- Weather Reports and Recordsreport
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