ASN Wikibase Occurrence # 983
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| Date: | Friday 20 April 2007 |
| Time: | 15:50 |
| Type: |  Eurocopter EC 130B4 |
| Owner/operator: | Sunshine Helicopters, Inc. |
| Registration: | N130WS |
| MSN: | 3685 |
| Year of manufacture: | 2003 |
| Total airframe hrs: | 5024 hours |
| Fatalities: | Fatalities: 0 / Occupants: 6 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Makawao, HI -
 United States of America
|
| Phase: | Take off |
| Nature: | Unknown |
| Departure airport: | Makawao, HI |
| Kapalua, HI | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter was one of two helicopters dispatched empty from the company's base to pick up passengers from a confined area remote site at a private residence. The landing at the remote site was uneventful. Passengers were loaded into the other helicopter, and it departed without incident about 3 to 4 minutes prior to departure of the accident helicopter. The passengers were loaded into the accident helicopter, and the pilot briefed them prior to takeoff. The pilot stated that he used maximum allowable power to initiate the takeoff and started forward movement with the cyclic "needing to clear the trees/wires on the takeoff." The helicopter stopped climbing at about 30 ft agl, as it reached tree top height. The nose started to turn left, and the pilot could not stop the turn with right pedal. The helicopter continued to turn left as it settled into the trees and descended to ground impact. The pilot reported no mechanical discrepancies with the helicopter. Four minutes before the accident, the nearest weather reporting station, located about 4 nautical miles from the accident site, reported winds from a true heading of 050 at 19 knots gusting to 29 knots. Review of an on board video recording of the accident flight indicated that the helicopter departed downwind on a true heading of about 251 degrees. The pilot stated that "downwind takeoff was the reason for accident." He commented that the wind was "25 to 30 [knots] with gusts." The pilot stated that he had spoken to the operator's chief pilot the day before the accident "about the poor choice of performing this charter with high winds 25, gusting to 30." He further stated that on the morning of the accident he reiterated his concerns "about the required downwind takeoff at the remote site" to the company's operations manager. According to the operator, "the downwind departure resulted in the helicopter settling with an uncontrolled nose rotation to the left." The operator expressed the opinion that had the pilot performed a maximum performance confined area takeoff into the wind, the helicopter would have achieved effective translational lift to clear barriers without any incident or problems.
Probable Cause: The pilot's improper decision to takeoff downwind in a confined landing zone, which resulted in a failure to attain translational lift and a loss of control.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20070501X00488&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Jan-2008 02:16 | JINX | Added |
| 07-Mar-2013 03:34 | TB | Updated [Date, Time, Aircraft type, Registration, Cn, Operator, Total occupants, Location, Phase, Departure airport, Destination airport, Source, Damage, Narrative] |
| 30-Oct-2014 17:33 | TB | Updated [Aircraft type] |
| 21-Dec-2016 19:13 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Dec-2017 18:36 | ASN Update Bot | Updated [Operator, Other fatalities, Destination airport, Source, Narrative] |
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