Robinson R22 Beta, N4066S: Accident occurred October 18, 2019 in Lake Mead, Nevada -and- Incident occurred July 05, 2018 near Riverside Municipal Airport (KRAL), California

Federal Aviation Administration / Flight Standards District Office; Las Vegas 

October 18, 2019: Rotorcraft trying to land on a sand dune, skid caught the ground and experienced a dynamic rollover.

California Aviation Services Inc

https://registry.faa.gov/N4066S

Date: 18-OCT-19
Time: 00:00:00Z
Regis#: N4066S
Aircraft Make: ROBINSON
Aircraft Model: R22
Event Type: ACCIDENT
Highest Injury: NONE
Aircraft Missing: No
Damage: SUBSTANTIAL
Activity: INSTRUCTION
Flight Phase: EN ROUTE (ENR)
Operation: 91
City: LAKE MEAD
State: NEVADA

Federal Aviation Administration / Flight Standards District Office; Riverside

July 05, 2018: Helicopter performed an emergency landing about 1/2-mile north of Riverside Municipal Airport.

Date: 05-JUL-18
Time: 18:20:00Z
Regis#: N4066S
Aircraft Make: ROBINSON
Aircraft Model: R22
Event Type: INCIDENT
Highest Injury: NONE
Aircraft Missing: No
Damage: NONE
Activity: PERSONAL
Flight Phase: EMERGENCY DESCENT (EMG)
Operation: 91
City: RIVERSIDE
State: CALIFORNIA