ASN Wikibase Occurrence # 43381
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| Date: | Friday 10 September 1993 |
| Time: | 15:30 LT |
| Type: |  Aérospatiale SA 365N2 Dauphin 2 |
| Owner/operator: | American Stores |
| Registration: | N818R |
| MSN: | 6377 |
| Year of manufacture: | 1990 |
| Total airframe hrs: | 462 hours |
| Engine model: | TURBOMECA Arriel 1C2 |
| Fatalities: | Fatalities: 1 / Occupants: 6 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Great Salt Lake, 10 miles W of Ogden, Utah -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Executive |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A FLIGHT FOR THE PURPOSE OF AERIAL PHOTOGRAPHY, THE HELICOPTER WAS FLYING OVER GLASSY WATER CONDITIONS. THE PILOT HAD SET THE BUG ON THE RADAR ALTIMETER FOR 50 FEET; HOWEVER, WHILE HE WAS LOOKING OUTSIDE FOR REFERENCE, THE HELICOPTER DESCENDED BELOW 50 FEET. THE PILOT STATED THAT HE SUDDENLY HAD A SENSATION OF MOVEMENT OVER THE WATER, AND JUST SECONDS BEFORE IMPACT WITH THE WATER, THE PILOT NOTED TEN FEET ABOVE WATER LEVEL ON THE RADAR ALTIMETER.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN PROPER ALTITUDE. A FACTOR TO THE ACCIDENT WAS GLASSY WATER.
Accident investigation:
 |
|
Sources:
NTSB SEA93LA196
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 18-Dec-2012 12:31 | TB | Updated [Aircraft type, Location, Phase, Nature, Departure airport, Source, Narrative] |
| 28-Nov-2016 22:32 | Dr. John Smith | Updated [Operator, Location, Nature, Departure airport, Narrative] |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 11:17 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Nature, Departure airport, Source, Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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