ASN Wikibase Occurrence # 40780
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| Date: | Monday 12 July 1993 |
| Time: | 15:55 LT |
| Type: |  Hughes 369HS |
| Owner/operator: | Allison, David C. |
| Registration: | N9116F |
| MSN: | 0396S |
| Year of manufacture: | 1972 |
| Engine model: | ALLISON 250-C20 |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Talladega, AL -
 United States of America
|
| Phase: | Taxi |
| Nature: | Private |
| Departure airport: | Birmingham, AL (BHM |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER PILOT HAD ATTAINED 9 HOURS OF FLIGHT TIME IN THIS MAKE & MODEL OF AIRCRAFT. HE WAS ATTEMPTING A DOWNWIND LANDING IN A CONFINED AREA OF THE TALLADEGA SUPER SPEEDWAY, ALTHOUGH OPEN & UNCONFINED AREAS WERE LOCATED NEARBY. THE SITE WAS 168 FEET LONG & 105 FEET WIDE, AND WAS SURROUNDED ON ALL SIDES BY TALL FENCES & POWER LINES. WITNESSES STATED THAT JUST BEFORE TOUCHDOWN IN THE CONFINED AREA, THE HELICOPTER BEGAN TO OSCILLATE FROM SIDE TO SIDE. THE HELICOPTER THEN ASCENDED TO A HEIGHT OF ABOUT 25 FEET, THEN IT BEGAN TO SPIN IN A COUNTERCLOCKWISE DIRECTION. THE RIGHT FRONT SEAT PASSENGER RECALLED BRACING HIS HANDS ON THE CONSOLE & DOOR OF THE HELICOPTER DURING THE EVENT; HOWEVER, HE DID NOT RECALL THE POSITION OF HIS FEET DURING THE EVENT. EXAMINATION OF THE AIRCRAFT DID NOT REVEAL ANY PREIMPACT MALFUNCTION OF THE TAIL ROTOR SYSTEM. METALLURGICAL EXAM OF FRACTURES ON THE COLLECTIVE STICK, COLLECTIVE STICK HOUSING, COLLECTIVE PUSH-PULL ROD & ROD END FROM THE ROTOR HEAD REVEALED NO EVIDENCE OF PROGRESSIVE CRACKING (BEFORE IMPACT).
Probable Cause: THE PILOT'S POOR IN-FLIGHT DECISION TO LAND DOWNWIND IN A CONFINED AREA THAT WAS SURROUNDED BY HIGH OBSTRUCTIONS, AND HIS FAILURE TO PROPERLY COMPENSATE FOR THE TAILWIND CONDITION. A FACTOR RELATED TO THE ACCIDENT WAS: THE PILOT'S LACK OF TOTAL EXPERIENCE IN THE TYPE OF AIRCRAFT.
Accident investigation:
 |
|
Sources:
NTSB ATL93FA127
Location
Media:
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] |
| 31-Dec-2019 16:59 | Aerossurance | Updated [Operator, Destination airport, Embed code] |
| 10-Apr-2024 12:36 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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