# NTSB LAX84LA173: Robinson R-22, N9026R, Riverside, CA, February 10, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 10, 1984, 10:58 local (18:58 UTC)
- Place: Riverside, CA
- Coordinates: 33.900104, -117.400253 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.9001&lon=-117.4003&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24167
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA173
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24167/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA173

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Roll over, taxi - aerial
  - lift-off - not corrected, pilot in command (cause)

## Analysis

THE ACC OCCURRED WHEN THE PROSPECTIVE BUYER PLT STARTED TO PICK UP THE ROTORCRAFT WITH TOO MUCH AFT CYCLIC. THE RT REAR SKID DUG INTO THE GROUND AND THE ACFT ROLLED OVER.

## Aircraft

- Registration: N9026R (not matched to a registry record)
- Reported make and model: ROBINSON R-22
- Category: Helicopter
- Serial number: 022
- Airframe hours: 1053
- Engines: LYCOMING O-320-A2B 124 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: Raincross Helicopters
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, January 5, 1984, 2 hours before
- Departed: RAL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 55; flight instructor, airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 8,780 total, 750 in this make and model, 8,130 as pilot in command, 40 in the last 90 days, 26 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 79 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19840210003609A](https://openairdocs.org/incident/19840210003609A), Feb 10, 1984: Robsin R22, Riverside, CA, Substantial damage. Student allowed tail rotor to strike the ground during hover practice.

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.

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