ASN Wikibase Occurrence # 375879
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| Date: | Friday 29 November 1985 |
| Time: | 16:30 LT |
| Type: |  Robinson R-22 |
| Owner/operator: | Metropolitan Helicopters |
| Registration: | N8499B |
| MSN: | 0058 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 1278 hours |
| Engine model: | LYCOMING O-320-A2B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Manassas, VA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A SIMULATED STRAIGHT IN AUTOROTATION TO RUNWAY 34L WAS ENTERED FROM FINAL APPROACH BY LOWERING THE COLLECTIVE, AND A PWRRECOVERY WAS PLANNED AT THE BOTTOM OF THE AUTOROTATION. AT ABOUT 150 FEET AGL, THE THROTTLE WAS ROLLED IN TO MATCH THE ENGINE AND ROTOR NEEDLES, BUT THE ENGINE DID NOT RESPOND. THE AUTOROTATION WAS CONTINUED TO THE GROUND, AND THE HELICOPTER IMPACTED THE TERRAIN ABOUT 100 FEET FROM THE RWY 34L THRESHOLD, BOUNCED A FEW FEET IN THE AIR, ROTATED APPROXIMATELY 80-90 DEGREES TO THE LEFT, AND STRUCK THE GROUND AGAIN, COMING TO REST WITH AN APPROXIMATE 240 DEGREE HEADING.THE TAIL BOOM WAS SEVERED AND THE SKIDS WERE SPREAD.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB BFO86LA007
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Mar-2024 10:28 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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