# Accident 20150723023569A: Robinson Helicopter R22 BETA, Corona, CA, July 23, 2015

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 23, 2015, 13:30 local time
- Place: Corona, CA
- Airport: Corona Municipal
- Damage: Substantial damage
- Phase of flight: Landing: Approach
- Operating rules: General operating rules (Part 91)
- Operator: MI9S
- Location: 33.8975° N, 117.5992° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.8975&lon=-117.5992&mi=10
- Aircraft: N520NS, a cancelled registration (https://openairdocs.org/deregistered/N520NS-2018-02-05) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Registry engine: Lycoming O-360-J2A (registry code 42314, https://openairdocs.org/engine/lycoming-o-360-j2a) (OpenAirDocs)
- Reported make and model: ROBINSON HELICOPTER R22 BETA
- Reported engine: LYCOMING O-360-J2A
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor, private pilot
- Pilot flight hours: 730 total, 704 in this make and model, 91 in the last 90 days
- NTSB investigation: [NTSB GAA15CA200](https://openairdocs.org/ntsb/GAA15CA200) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20150723023569A

## Narrative

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

N520NS, R22, WAS ON AN INSTRUCTIONAL FLIGHT WHEN IT LANDED HARD AT CORONA AIRPORT (KAJO) AND WAS SUBSTANTIALLY DAMAGED.  TWO ON BOARD; CFI AND STUDENT PILOT.  THE STUDENT PILOT WAS ON THE CONTROLS MAKING A NORMAL APPROACH FOR LANDING TO A GRASS AREA DESIGNATED FOR HELICOPTER LANDINGS 810 FT. SOUTH OF RUNWAY 25.  WINDS WERE FROM THE WEST AT 11 KNOTS.

N520NS SUSTAINED SUBSTANTIAL DAMAGE TO BOTH MAIN ROTOR BLADES, BOTH LANDING SKIDS, MAIN ROTOR MAST, TAIL BOOM ATTACHING POINT,TAIL BOOM, LEFT SIDE SEAT STOWAGE SPACE COLLAPSED, AND PITCH LINKS SEVERED.

NO INJURIES TO STUDENT PILOT.  CFI HIT HEAD AND REFUSED MEDICAL ATTENTION INITIALLY.  BOTH PILOTS EXAMINED AT WALK IN CLINIC 24 HOURS LATER.  NO FURTHER INJURIES REPORTED.

## 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 GAA15CA200](https://openairdocs.org/ntsb/GAA15CA200), Jul 23, 2015: Robinson Helicopter R-22 (N520NS), Corona, CA, substantial damage. Probable cause: The flight instructor's delayed remedial action to arrest the descent rate, which resulted in a running landing, the left skid catching rough terrain, and the main rotor blades impacting the ground.

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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