ASN Wikibase Occurrence # 39671
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Date: | Wednesday 28 September 1994 |
Time: | 10:47 LT |
Type: | Robinson R22B |
Owner/operator: | Raleigh Helicopters |
Registration: | N83112 |
MSN: | 2446 |
Year of manufacture: | 1994 |
Total airframe hrs: | 124 hours |
Engine model: | Lycoming O-320-B2C |
Fatalities: | Fatalities: 1 / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | near Raleigh East Airport, Knightdale, North Carolina -
United States of America
|
Phase: | En route |
Nature: | Executive |
Departure airport: | (W17) |
Destination airport: | (W17) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE FLIGHT WAS DELAYED BECAUSE OF A FOG LAYER AT THE AIRPORT. ACCORDING TO WITNESSES AT THE AIRPORT, THE HELICOPTER DEPARTED WITHOUT INCIDENT. A MINUTE INTO THE FLIGHT THEY HEARD THE PILOT, ALSO A HELICOPTER CFI, SAY, 'HEY! I'VE GOT A...'. NO OTHER RADIO TRANSMISSIONS WERE HEARD. A WITNESS LOCATED NEAR THE ACCIDENT SITE RECALLED WATCHING THE HELICOPTER FISHTAIL, AND HEARD A SPUTTERING SOUND COMING FROM THE HELICOPTER. RADAR DATA DEPICTED THE HELICOPTER AT 700 FT MSL, FLYING IN AN EASTERLY DIRECTION, AND THEN REVERSE COURSE TO A WESTERLY HEADING, WITHIN 23 SECS OF COVERAGE. THE MAIN FUSELAGE IMPACTED THE GROUND IN A WOODED AREA; OTHER DEBRIS FROM THE HELICOPTER WAS SCATTERED OVER AN AREA 800 FEET LONG AND 100 FEET WIDE. A POST IMPACT FIRE FURTHER DAMAGED THE AIRFRAME. EXAMINATION OF THE SEPARATED TAILCONE AND FUSELAGE COMPONENTS SHOWED EVIDENCE OF INFLIGHT MAIN ROTOR BLADE CONTACT; THE WRECKAGE EXAMINATION ALSO SHOWED SIGNS OF MAST BUMPING.
Probable Cause: DIVERGENCE OF THE MAIN ROTOR FROM ITS NORMAL PLANE OF ROTATION FOR AN UNDETERMINED REASON(S) RESULTING IN ROTOR BLADE CONTACT WITH THE TAILCONE.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ATL94FA179 |
Status: | Investigation completed |
Duration: | 6 months |
Download report: | Final report |
|
Sources:
NTSB ATL94FA179
FAA register: 2. FAA:
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=83112 Location
Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
25-May-2016 15:18 |
Dr.John Smith |
Updated [Time, Location, Departure airport, Destination airport, Source, Narrative] |
25-May-2016 15:18 |
Dr.John Smith |
Updated [Destination airport] |
25-May-2016 15:19 |
Dr.John Smith |
Updated [Narrative] |
21-Sep-2016 23:35 |
Dr.John Smith |
Updated [Source, Narrative] |
21-Dec-2016 19:23 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
09-Apr-2024 18:57 |
ASN Update Bot |
Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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