ASN Wikibase Occurrence # 362328
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| Date: | Thursday 11 March 1993 |
| Time: | 18:43 LT |
| Type: |  Robinson R-22 BETA |
| Owner/operator: | Sunrise Air |
| Registration: | N4072T |
| MSN: | 1747 |
| Year of manufacture: | 1991 |
| Total airframe hrs: | 1049 hours |
| Engine model: | LYCOMING O-320-B2C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Folsom, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Rancho Cordova, CA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE STUDENT PILOT WAS PRACTICING TAKEOFF AND LANDINGS IN THE LOCAL PRACTICE AREA. ON THE NINTH APPROACH, THE HELICOPTER DEVELOPED A HIGH RATE OF DESCENT AND A STEEP APPROACH ANGLE. THE STUDENT FLARED AND APPLIED POWER TO ARREST THE DESCENT. THE MAIN ROTOR RPM DECAYED AND THE HELICOPTER LANDED HARD AND BOUNCED INTO THE AIR. THE HELICOPTER ROLLED OVER ON THE SECOND TOUCHDOWN.
Probable Cause: THE STUDENT PILOT'S EXCESSIVE RATE OF DESCENT DURING A APPROACH FOR LANDING, IMPROPER REMEDIAL ACTION TO ARREST THE RATE OF DESCENT, AND A FAILURE TO MAINTAIN PROPER MAIN ROTOR RPM. THE STUDENT PILOT'S LACK OF TOTAL AERONAUTICAL EXPERIENCE WAS A FACTOR IN THIS ACCIDENT.
Accident investigation:
 |
|
Sources:
NTSB LAX93LA147
History of this aircraft
Other occurrences involving this aircraft
| 22 January 2000 | N4072T | Group 3 Aviation | 0 | near Piru, Ventura County, Santa Clara River Valley, California | |
sub |
| 2 July 2002 | N4072T | Group 3 Aviation | 0 | Chatsworth, California | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Mar-2024 20:12 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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