ASN Wikibase Occurrence # 40777
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| Date: | Friday 19 November 1993 |
| Time: | 05:46 LT |
| Type: |  Hughes 369HS |
| Owner/operator: | Drug Enforcement Admin. |
| Registration: | N9179F |
| MSN: | 140554S |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 4154 hours |
| Engine model: | ALLISON 250-C20 |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Antonia, MO -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | St. Louis, MO (KSUS) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE MANEUVERING DURING A NIGHT FLIR TRAINING OPERATION, THE HELICOPTER DESCENDED BELOW THE PLANNED MANEUVERING ALTITUDE AND INADVERTENTLY CONTACTED THE TERRAIN. WITNESSES DESCRIBED THE PILOT'S REACTION TO THE INADVERTENT TOUCHDOWN AS AN ABRUPT RECOVERY WITH A STEEP RIGHT TURN INTO TREES. THE HELICOPTER THEN ROLLED INVERTED AND IMPACTED THE TERRAIN. NO MECHANICAL FAILURE/MALFUNCTION OF THE AIRFRAME, POWERPLANT, OR FLIGHT CONTROLS WAS FOUND.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN PROPER ALTITUDE. A FACTOR WAS THE DARK NIGHT.
Accident investigation:
 |
|
Sources:
NTSB CHI94GA038
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 10:05 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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