# NTSB SEA93LA164: Champion 7EC, N4394C, Chewelah, WA, July 27, 1993

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 27, 1993, 10:00 local (17:00 UTC)
- Place: Chewelah, WA
- Coordinates: 48.260147, -117.759689 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.2601&lon=-117.7597&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 3, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 43045
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA93LA164
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/43045/pdf
- Page: https://openairdocs.org/ntsb/SEA93LA164

## Probable cause

THE FAILURE OF THE PIC TO MAINTAIN DIRECTIONAL CONTROL AND CORRECT FOR GROUND LOOP/SWERVE.

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - not corrected, pilot in command (cause)
- On ground/water collision with object, landing - roll

## Analysis

THE ACFT SWERVED OFF THE RUNWAY DURING LANDING ROLL AND IMPACTED A TREE.

## Aircraft

- Registration: [N4394C](https://openairdocs.org/aircraft/N4394C), registered now, S/N 7EC-423, built 1956 (OpenAirDocs)
- Reported make and model: CHAMPION 7EC
- Registry model: [Champion AERONCA 7EC](https://openairdocs.org/model/champion-aeronca-7ec) (registry code 2110158) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 7EC-423
- Airframe hours: 2229
- Engines: CONTINENTAL O-200-A48 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Rex T. Barrans
- Registered owner: Chewelah Flyers, Inc
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 16, 1993, 5 hours before
- Airport: 1S9, Sand Canyon, runway 17, 3,500 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 68; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: front; flight hours: 624 total, 41 in this make and model, 6 in the last 90 days, 4 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 80° at 7 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 73 °F, dew point 57 °F
- Altimeter: 30.00 inHg
- Observed at: SFF, 42 nm away

## 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 19930727052549A](https://openairdocs.org/incident/19930727052549A), Jul 27, 1993: Bbavia 7EC, Chewelah, WA, Substantial damage. Veered off runway on landing roll and struck trees. Light crosswind existed.

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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