# NTSB WPR24LA008: Robinson Helicopter R22 Beta, N838SH, Caldwell, ID, October 9, 2023

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 4 · Limited · Final report
- Date: October 9, 2023, 11:55 local (17:55 UTC)
- Place: Caldwell, ID · KEUL
- Coordinates: 43.62, -116.72
- Nearby events: https://openairdocs.org/map.md?lat=43.6200&lon=-116.7200&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Western Pacific Region
- Parties: Federal Aviation Administraton
- NTSB case key (mKey): 193214
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR24LA008
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/193214/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=193214
- Page: https://openairdocs.org/ntsb/WPR24LA008

## Probable cause

The pilot’s failure to maintain directional control during landing, resulting in a roll over.

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Robinson Helicopter R22 BETA, 14 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=7640110), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md)
- [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Robinson Helicopter R22 BETA, 96 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=7640110), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md)
- [Action: delayed action](https://openairdocs.org/ntsb-findings/02041025): Personnel issues › Action/decision · Instructor/check pilot; cases with it: [Robinson Helicopter R22 BETA, 35 cases](https://openairdocs.org/ntsb-findings/02041025/cases.md?model=7640110), [All aircraft, 894 cases](https://openairdocs.org/ntsb-findings/02041025/cases.md)
- [Attention/monitoring: monitoring equip/instruments](https://openairdocs.org/ntsb-findings/02021525): Personnel issues › Psychological · Instructor/check pilot; cases with it: [Robinson Helicopter R22 BETA, 2 cases](https://openairdocs.org/ntsb-findings/02021525/cases.md?model=7640110), [All aircraft, 142 cases](https://openairdocs.org/ntsb-findings/02021525/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Robinson Helicopter R22 BETA, 13 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=7640110), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md)

## Analysis

The pilot of the helicopter reported that he and his flight instructor were performing a full touchdown autorotation onto the taxiway. Shortly after the helicopter touched down, during its ground slide, it veered to the left and exited the taxiway. The helicopter then pivoted on its left skid toe, rolled over its right skid, and came to rest on its right side. The horizontal stabilizer was substantially damaged. The pilot reported that there were no preaccident mechanical malfunctions or failures that would have precluded normal operation.

## Aircraft

- Registration: [N838SH](https://openairdocs.org/deregistered/N838SH-2024-06-01), registration cancelled 2024-06-01, S/N 3811, built 2005 (OpenAirDocs)
- Reported make and model: ROBINSON HELICOPTER R22 BETA
- Registry model: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110) (OpenAirDocs)
- Registry engine: [Lycoming O-360 series](https://openairdocs.org/engine/lycoming-o-360-series) (registry code 41575, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 3811
- Year built: 2005
- Airframe hours: 10782.1
- Engines: Lycoming O-360-J2A 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, October 5, 2023, 7.1 hours before
- Airport: KEUL, Caldwell Executive
- Equipment: ADS-B

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Flight instructor; age 26; injuries: none; commercial, flight instructor; instrument ratings: helicopter; medical: class 2, without waivers/limitations; last flight review May 11, 2023; seat: right; restraint: 3-point
- Pilot; age 32; injuries: none; commercial; instrument ratings: helicopter; medical: class 2, with waivers/limitations; last flight review July 13, 2023; seat: left; restraint: 3-point; flight hours: 217 total, 155 in this make and model, 138 as pilot in command, 14 in the last 90 days, 7 in the last 30 days, 0 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 3 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 46 °F
- Altimeter: 29.78 inHg
- Observed at: KEUL, 1 nm away
- METAR: METAR KEUL 091856Z AUTO 13003KT 10SM CLR 26/08 A2978

## 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 20231009015299A](https://openairdocs.org/incident/20231009015299A), Oct 9, 2023: Robinson Helicopter R22 BETA, Caldwell, ID, Substantial damage. On October 9th 2023 a helicopter was practicing touchdown autorotation’s to a taxiway. The helicopter upon landing had forward momentum and developed a…

## Docket (3 files)

The files NTSB released with the investigation on December 7, 2023, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=193214. 9.0 MB in all.

- Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 12 pages, 3.6 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=16279209&FileExtension=pdf&FileName=WPR24LA008%206120%20M.%20Peterson_flat_Redacted-Rel.pdf
- Pilot/cfi aircraft accident report, NTSB form 6120.1 (item 2, PDF, 11 pages, 5.2 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=16279510&FileExtension=pdf&FileName=WPR24LA008%20CFI%20T.Eberhardt_flat_Redacted-Rel.pdf
- Photo (item 3, PDF, 1 page, 220 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=16280080&FileExtension=pdf&FileName=WPR24LA008_508-Rel.pdf

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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