# NTSB LAX82DA156: Robinson R-22HP, N90764, North Las Vegas, NV, May 1, 1982

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Final report
- Date: May 1, 1982, 14:00 local (21:00 UTC)
- Place: North Las Vegas, NV
- Location: 36.1989° N, 115.1175° W: Placed by OpenAirDocs: center of North Las Vegas, NV, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.1989&lon=-115.1175&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report May 1, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72038
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DA156
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72038/pdf
- Page: https://openairdocs.org/ntsb/LAX82DA156

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - throttle/power control - improper use of, pilot in command (cause)
  - proper descent rate - exceeded, pilot in command (cause)

## Analysis

THE PASSENGER STATED THAT DURING THE APPROACH TO THE LANDING AREA HE NOTICED A DECREASE IN RPM'S AND THAT THE PILOT WAS HAVING DIFFICULTY IN STABILIZING THE AIRCRAFT. HE ALSO NOTED THAT THE HELICOPTER WAS DESCENDING FASTER THAN THE PRIOR APPROACH. DAMAGE CONSISTED OF BROKEN SKIDS AND MAIN ROTOR BLADES, A BENT RIGHT HORIZONTAL STABILIZER, AND DAMAGE TO THE LOWER RIGHT CABIN.

## Aircraft

- Registration: [N90764](https://openairdocs.org/deregistered/N90764-2014-11-24), registration cancelled 2014-11-24, S/N 0267, built 1982 (OpenAirDocs)
- Reported make and model: ROBINSON R-22HP
- Registry model: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 0267
- Airframe hours: 100
- Engines: LYCOMING O-320-A2B 124 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Operator: R22 Limited
- Registered owner: R22 Limited
- Departed: NORTH LAS VEGAS, NV
- Destination: NORTH LAS VEGAS, NV

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 1,913 total, 9 in this make and model, 9 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 18 knots
- Visibility: 30 statute miles
- Temperature: 190 °F
- Altimeter: 29.00 inHg

## 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 19820501017709A](https://openairdocs.org/incident/19820501017709A), May 1, 1982: Robsin R22, Las Vegas, NV, Substantial damage. Made hard landing. Pilot claims passenger control interference. Passenger claims not. No mechanical problems.

## Other investigations on N90764 (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 WPR09LA160](https://openairdocs.org/ntsb/WPR09LA160), Mar 20, 2009: Robinson Helicopter R22 (N90764), Prescott, AZ, substantial damage. Probable cause: The pilot's failure to maintain adequate main rotor rpm while maneuvering at a low altitude.

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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