# Accident 20010702016779A: Robsin R22BETA, Hayward, CA, July 2, 2001

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 2, 2001, 14:30 local time
- Place: Hayward, CA
- Airport: Hayward Air Terminal
- Damage: No damage
- Operating rules: Pilot school (Part 141)
- Location: 37.6594° N, 123.1817° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.6594&lon=-123.1817&mi=10
- Aircraft: N4052K, a cancelled registration (https://openairdocs.org/deregistered/N4052K-2013-09-27) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- NTSB investigation: [NTSB LAX01LA232](https://openairdocs.org/ntsb/LAX01LA232) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20010702016779A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) NO NARRATIVE (.19) ON JULY 2, 2001, AT 1426 HOURS PACIFIC DAYLIGHT TIME, A ROBINSON R22 BETA, N4052K, MADE A HARD LANDING AND ROLLED OVER WHILE MAKING A LANDING APPROACH AT HAYWARD, CALIFORNIA. THE HELICOPTER SUSTAINED SUBSTANTIAL DAMAGE WHILE THE CERTIFIED FLIGHT INSTRUCTOR AND HIS CERTIFICATED COMMERCIAL PILOT/FLIGHT INSTRUCTOR CANDIDATE RECEIVED MINOR INJURIES. SIERRA ACADEMY OF AERONAUTICS WAS OPERATING THE HELICOPTER AS AN INSTRUCTIONAL FLIGHT UNDER THE PROVISIONS OF 14 CFR PART 91AT THE TIME OF THE ACCIDENT. THE LOCAL FLIGHT DEPARTED OAKLAND, CALIFORNIA, EARLIER THAT DAY. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME, AND NO FLIGHT PLAN HAD BEEN FILED.  ACCORDING TO A FEDERAL AVIATION ADMINISTRATION (FAA) INSPECTOR, THE STUDENT WAS PRACTICING A SERIES OF AUTOROTATIONS. DURING RECOVERY, THE STUDENT PULLED COLLECTIVE PITCH BEFORE ROLLING ON THE THROTTLE. THE STUDENT SAID THE CLUTCH DID NOT ENGAGE PROPERLY, AND THE HELICOPTER FELL THROUGH, STRIKING THE TAIL BOOM ON THE GROUND. THE MAIN ROTOR THEN STRUCK THE GROUND, AND THE HELICOPTER ROLLED OVER ONTO ITS RIGHT SIDE.  A POSTACCIDENT RUN, CONDUCTED BY THE FAA I                                                        NSPECTOR, FOUND THE HELICOPTER'S ENGINE STARTED, ACCELERATED, AND MAINTAINED POWER WITH NO REPORTED ANOMALIES.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX01LA232](https://openairdocs.org/ntsb/LAX01LA232), Jul 2, 2001: Robinson R22 Beta (N4052K), Hayward, CA, substantial damage. Probable cause: the student's excessive rate of descent during a practice autorotation, and, the inadequate use of the rotorcraft flight controls by both pilots during the attempted recovery, which resulted in a…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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