# NTSB ANC24LA070: Roberts Jeff Super RV8, N854, Carter, WY, July 27, 2024

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 4 · Limited · Final report
- Date: July 27, 2024, 17:00 local (23:00 UTC)
- Place: Carter, WY
- Coordinates: 41.395139, -110.39923
- Nearby events: https://openairdocs.org/map.md?lat=41.3951&lon=-110.3992&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Defining event: [Takeoff: 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: Alaska Regional Office
- Parties: FAA/FSDO
- NTSB case key (mKey): 194795
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC24LA070
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/194795/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=194795
- Page: https://openairdocs.org/ntsb/ANC24LA070

## Probable cause

The pilots encounter with a shifting winds during takeoff, which resulted in a loss of control and runway excursion.

## Findings

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

- [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Roberts Jeff SUPER RV8, 1 case](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=05613RI), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md)
- [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Roberts Jeff SUPER RV8, 1 case](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=05613RI), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md)
- [Wind: tailwind](https://openairdocs.org/ntsb-findings/03034015): Environmental issues › Conditions/weather/phenomena · Effect on operation; cases with it: [Roberts Jeff SUPER RV8, 1 case](https://openairdocs.org/ntsb-findings/03034015/cases.md?model=05613RI), [All aircraft, 594 cases](https://openairdocs.org/ntsb-findings/03034015/cases.md)

## Sequence of events

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

- [Takeoff: Other weather encounter](https://openairdocs.org/ntsb-events/400); cases with it: [Roberts Jeff SUPER RV8, 1 case](https://openairdocs.org/ntsb-events/400/sequence.md?model=05613RI), [All aircraft, 1,127 cases](https://openairdocs.org/ntsb-events/400/sequence.md)
- [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Roberts Jeff SUPER RV8, 1 case](https://openairdocs.org/ntsb-events/230/sequence.md?model=05613RI), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md)
- [Takeoff: Runway excursion](https://openairdocs.org/ntsb-events/300); cases with it: [Roberts Jeff SUPER RV8, 1 case](https://openairdocs.org/ntsb-events/300/sequence.md?model=05613RI), [All aircraft, 3,643 cases](https://openairdocs.org/ntsb-events/300/sequence.md)

## Analysis

The pilot stated that during takeoff he encountered a crosswind that shifted to a tailwind. The airplane veered left and exited the side of the runway. Both wings sustained substantial damage. The pilot reported there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

## Aircraft

- Registration: [N854](https://openairdocs.org/deregistered/N854-2025-03-19), registration cancelled 2025-03-19, S/N 81273, built 2002 (OpenAirDocs)
- Reported make and model: ROBERTS JEFF SUPER RV8
- Registry model: [Roberts Jeff SUPER RV8](https://openairdocs.org/model/roberts-jeff-super-rv8) (registry code 05613RI) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 81273
- Year built: 2002
- Airframe hours: 1650.3
- Engines: Lycoming IO-540-EXP 365 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Condition, July 13, 2023
- Departed: KFBR, Fort Bridger, WY
- Destination: KELY, Ely, NV
- Airport: FBR, Fort Bridger, runway 04/22, 6,404 × 75 ft, asphalt
- Equipment: Electronic primary flight display, Electronic flight bag or handheld device, Auto-pilot, ADS-B

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 69; injuries: none; flight instructor, commercial, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review April 12, 2024; seat: front; restraint: 5-point; flight hours: 20,898 total, 1,206 in this make and model, 16,132 as pilot in command, 65 in the last 90 days, 23 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 110° at 7 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 73 °F, dew point 43 °F
- Altimeter: 30.08 inHg
- Observed at: FBR
- METAR: KFBR 272315Z AUTO 11007KT 10SM CLR 23/06 A3008 RMK AO2 LTG DSNT SE AND W T02320062

## 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 20240727010779A](https://openairdocs.org/incident/20240727010779A), Jul 27, 2024: Roberts Jeff SUPER RV8, Fort Bridger, WY, Substantial damage. 7/27/2024, 1700 LCL aircraft departed left from rwy 22 during takeoff roll after a gust of crosswind that turned into a tailwind. Pilot stated, "I applied…

## Docket (2 files)

The files NTSB released with the investigation on April 8, 2025, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=194795. 13.5 MB in all.

- Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 12.6 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=18011743&FileExtension=pdf&FileName=80911%20Accident%20Report%20NTSB%20Form%206120_Redacted-Rel.pdf
- Photos (item 2, PDF, 3 pages, 953 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=18012068&FileExtension=pdf&FileName=Photos-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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