ASN Wikibase Occurrence # 43195
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| Date: | Thursday 8 October 1998 |
| Time: | 09:20 LT |
| Type: |  Air Tractor AT-401 |
| Owner/operator: | Nathan O. Kifer |
| Registration: | N4531M |
| MSN: | 401-0764 |
| Engine model: | P&W R-1340 AN-1 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Newellton, LA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | (9M2) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The agricultural airplane, flown by the non-instrument rated commercial pilot, descended into a lake following a loss of control during an inadvertent entry into adverse weather conditions. A 'very dense' fog bank extending from the ground to 300 to 400 feet agl moved rapidly into the area. The National Weather Service reported that throughout northeastern Louisiana, the weather conditions were: winds calm to 3 knots from the north, 1/4 statute mile visibility in fog, ceiling of 100 feet, and a temperature dewpoint spread of 2 degrees Celsius. The pilot had accumulated over 20,000 hours of aerial application flying including over 4,000 hours in the accident aircraft. The aircraft was not equipped for flight into instrument meteorological conditions. No pre-impact anomalies were found with the airframe or the engine.
Probable Cause: The pilot's failure to maintain aircraft control during an inadvertent entry into adverse weather conditions. A related factor was the fog.
Accident investigation:
 |
|
Sources:
NTSB FTW99FA004
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Apr-2024 16:21 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Source, Narrative, Category, Accident report] |
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