# NTSB DEN84LA099: Champion 7EC, N7406B, Wall, SD, January 27, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 27, 1984, 08:30 local (15:30 UTC)
- Place: Wall, SD
- Coordinates: 43.990108, -102.230712 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.9901&lon=-102.2307&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16343
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA099
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16343/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA099

## Sequence of events

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

- Loss of control - in flight, cruise - normal
  - weather condition - windshear (contributing factor)
  - proper altitude - not maintained, pilot in command (contributing factor)
  - stall - performed, pilot in command (contributing factor)
  - airspeed - not maintained, pilot in command (cause)

## Analysis

THE ACFT CRASHED DURING A FLIGHT FOR THE PURPOSE OF OBSERVING THE PLT'S CATTLE. THE PLT STATED HE WAS 'MAKING A STEEP LEFT TURN AT ABOUT 75 FEET AND THE BOTTOM (LEFT) WING FLEW INTO A WIND SHEAR ON THE DOWNWARD SIDE OF A HILL. THE AIRPLANE SLID TO THE LEFT AND STALLED.'

## Aircraft

- Registration: [N7406B](https://openairdocs.org/aircraft/N7406B), registered now, S/N 7EC-438 (OpenAirDocs)
- Reported make and model: CHAMPION 7EC
- Registry model: [Champion 7EC](https://openairdocs.org/model/champion-7ec) (registry code 21101NM) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 7EC-438
- Engines: CONTINENTAL C90-12F 90 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: G.E. Shearer
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, March 18, 1983, 44 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 286 total, 240 in this make and model, 2,589 as pilot in command, 7 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 330° at 15 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 30 °F, dew point -0 °F

## 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 19840127004959A](https://openairdocs.org/incident/19840127004959A), Jan 27, 1984: Bbavia 7ECA, Wall, SD, Substantial damage. Stalled in a steep low altitude turn. Struck the ground on left wing and cartwheeled.

## Other investigations on N7406B (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 SEA72DTI10](https://openairdocs.org/ntsb/SEA72DTI10), Jan 21, 1972: Aeronca 7EC (N7406B), Malta, MT, substantial damage

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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