ASN Wikibase Occurrence # 359547
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| Date: | Tuesday 22 November 1994 |
| Time: | 14:30 LT |
| Type: |  Robinson R-22B |
| Owner/operator: | Private |
| Registration: | N31MK |
| MSN: | 0930 |
| Year of manufacture: | 1988 |
| Total airframe hrs: | 4155 hours |
| Engine model: | LYCOMING O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Honolulu, HI -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | (KHNL) |
| (KHNL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE STUDENT PILOT WAS TAKING A PRIVATE PILOT PRACTICAL FLIGHT TEST WITH A DESIGNATED EXAMINER ON BOARD. ACCORDING TO THE EXAMINER, THE APPLICANT COMPLETED THE FIRST PART OF THE PRACTICAL TEST SATISFACTORILY. THE LAST MANEUVER TO BE PERFORMED WAS A RECOVERY FROM A 180-DEGREE AUTOROTATION. THE APPLICANT ENTERED THE MANEUVER SATISFACTORILY; HOWEVER, AT THE BOTTOM HAD ALLOWED THE MAIN ROTOR RPM TO DECAY AND BEGAN TO ADD COLLECTIVE INPUT WITHOUT ADEQUATE THROTTLE INPUT. THE EXAMINER SAID HE TOOK CONTROL OF THE HELICOPTER, BUT COULD NOT REGAIN MAIN ROTOR RPM PRIOR TO GROUND IMPACT.
Probable Cause: the student pilot's improper use of the collective and throttle controls and his failure to maintain adequate main rotor rpm during a practice autorotation.
Accident investigation:
 |
|
Sources:
NTSB LAX95LA039
History of this aircraft
Other occurrences involving this aircraft
| 21 May 1999 | N215WW | W.w. Helicopters L.l.c. | 0 | East Troy, WI | |
sub |
| 5 January 2002 | N215WW | Ww Helicopters | 0 | East Troy, Wisconsin | |
sub |
| 8 May 2004 | N215WW | W W Helicopters, LLC. | 0 | Genesee Depot, Wisconsin | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 12:06 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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