# NTSB WPR09CA405: Aeronca 7DC-CONV, N83024, Winnemucca, NV, August 13, 2009

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Data collection · Final report
- Date: August 13, 2009, 08:50 local (15:50 UTC)
- Place: Winnemucca, NV
- Coordinates: 40.891109, -117.803611 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.8911&lon=-117.8036&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: 1 uninjured
- Status: Completed, report October 19, 2009
- Report: Approved by Office Director
- NTSB office: Western Pacific Region
- Parties: Federal Aviation Administration FSDO
- NTSB case key (mKey): 74554
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR09CA405
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/74554/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=74554
- Page: https://openairdocs.org/ntsb/WPR09CA405

## Probable cause

The pilot's failure to maintain directional control during landing.

## 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: [Aeronca 7DC-CONV, 1 case](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2110117), [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: [Aeronca 7DC-CONV, 1 case](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=2110117), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/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: [Aeronca 7DC-CONV, 1 case](https://openairdocs.org/ntsb-events/230/sequence.md?model=2110117), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md)

## Analysis

The pilot reported performing a full stall landing in the tail wheel equipped airplane. During the landing roll he lost directional control and the airplane ground looped. The airplane sustained substantial damage to the wing spar during the accident sequence. Winds were calm at the time of the accident, and the pilot reported no mechanical anomalies with the airplane’s flight control systems.

## Factual narrative

The pilot reported performing a full stall landing in the tail wheel equipped airplane. During the landing roll he lost directional control and the airplane ground looped. The airplane sustained substantial damage to the wing spar during the accident sequence. Winds were calm at the time of the accident, and the pilot reported no mechanical anomalies with the airplane’s flight control systems.

## Aircraft

- Registration: [N83024](https://openairdocs.org/aircraft/N83024), registered now, S/N 7AC-1681, built 1946 (OpenAirDocs)
- Reported make and model: AERONCA 7DC-CONV
- Registry model: [Aeronca 7DC-CONV](https://openairdocs.org/model/aeronca-7dc-conv) (registry code 2110117) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 7AC-1681
- Engines: CONT MOTOR A&C65 65 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Airworthiness certificate: Standard, Normal
- Departed: RNO, Reno, NV
- Destination: WMC, Winnemucca, NV
- Airport: WMC, Winnemucca Municipal Airport, runway 32, 7,000 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; injuries: none; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, with waivers/limitations; last flight review February 27, 2009; seat: center; flight hours: 1,972 total, 52 in this make and model, 1,931 as pilot in command, 41 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 72 °F, dew point 23 °F
- Altimeter: 30.06 inHg
- Observed at: WMC

## 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 20090813016919A](https://openairdocs.org/incident/20090813016919A), Aug 13, 2009: Bbavia 7DC, Winnemucca, NV, Substantial damage. (-23) The pilot stated that he lost control of the aircraft during a three point landing with a subsequent ground loop to the left. The pilot also stated that…

## Docket (1 files)

The files NTSB released with the investigation on September 17, 2009, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=74554. 445 KB in all.

- Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 445 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40318878&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.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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