# NTSB DEN82DA125: Ercoupe 415-C, N99481, Wamsutter, WY, July 2, 1982

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Final report
- Date: July 2, 1982, 09:58 local (15:58 UTC)
- Place: Wamsutter, WY
- Coordinates: 41.659122, -107.969619 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.6591&lon=-107.9696&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report July 2, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72954
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN82DA125
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72954/pdf
- Page: https://openairdocs.org/ntsb/DEN82DA125

## Sequence of events

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

- Miscellaneous/other, cruise - normal
  - emergency procedure - initiated, pilot in command
  - physical impairment(other organic problem), pilot in command (cause)
- On ground/water encounter with terrain/water, landing - flare/touchdown
  - precautionary landing - performed, pilot in command
  - object - vehicle (contributing factor)
  - maneuver - performed, pilot in command
  - terrain condition - ditch (contributing factor)
- Nose gear collapsed, landing - roll
  - landing gear,nose gear - overload
- Nose over, landing - roll

## Analysis

THE PILOT BECAME SICK DURING THE FLIGHT AND ELECTED TO LAND ON A HIGHWAY. HE TOOK SPACING BEHIND A TRUCK, BUT THE TRUCK SLOWED DOWN, SO HE CONTINUED THE LANDING BESIDE THE HIGHWAY. AFTER LOWERING THE NOSEWHEEL, IT HIT A DITCH AND COLLAPSED, AND THE AIRCRAFT NOSED OVER. THE PILOT RECEIVED MEDICAL CHECKS AFTER THE ACCIDENT. THE ATTENDING PHYSICIANS TOLD THE PILOT THAT ALL OF THE TESTS WERE EITHER NEGATIVE OR INCONCLUSIVE. THE PILOT SUSPECTED THAT HE MAY HAVE SUFFERED FROM HYPERVENTILATION.

## Aircraft

- Registration: [N99481](https://openairdocs.org/deregistered/N99481-1983-06-22), registration cancelled 1983-06-22, S/N 2104 (OpenAirDocs)
- Reported make and model: ERCOUPE 415-C
- Registry model: [Ercoupe 415-C](https://openairdocs.org/model/ercoupe-415-c) (registry code 0420322) (OpenAirDocs)
- Category: Airplane
- Serial number: 2104
- Airframe hours: 7100
- Engines: CONTINENTAL C-85-12F 85 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Byron O. Bousha
- Registered owner: Byron O. Bousha
- Departed: RKS, ROCK SPRINGS, WY
- Destination: 1V4, FT. COLLINS-LOV, CO

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 183 total, 103 in this make and model, 156 as pilot in command, 9 in the last 90 days, 9 in the last 30 days, 9 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 230° at 20 knots
- Visibility: 60 statute miles
- Temperature: 147 °F
- Altimeter: 30.00 inHg
- Observed at: RWL, 47 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 19820702028609A](https://openairdocs.org/incident/19820702028609A), Jul 2, 1982: Univar 415C, Wamsutter, WY, Substantial damage. Pilot became ill and attempted landing on expressway, truck blocked road and aircraft flipped on rough terrain.

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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