# NTSB DEN85LA213: Cessna 152, N4941P, Riverton, WY, August 9, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 9, 1985, 08:15 local (14:15 UTC)
- Place: Riverton, WY
- Coordinates: 43.029598, -108.410568 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0296&lon=-108.4106&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16743
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN85LA213
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16743/pdf
- Page: https://openairdocs.org/ntsb/DEN85LA213

## Sequence of events

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

- On ground/water collision with object, landing - roll
  - in-flight planning/decision - poor, pilot in command (cause)
  - weather condition - tailwind (contributing factor)
  - wrong runway - selected, pilot in command (cause)
  - proper touchdown point - not attained, pilot in command (cause)
  - aborted landing - attempted, pilot in command (cause)
  - aborted takeoff - performed, pilot in command
  - object - fence

## Analysis

THE STUDENT PLT ATTEMPTED TO LAND ON RWY 17. THE WIND WAS REPORTED TO BE FROM 010 DEGS AT 13 KTS. THE ACFT TOUCHED DOWN HALFWAY DOWN THE RWY. THE PLT ATTEMPTED TO GO AROUND BUT ABORTED BECAUSE OF THE TAILWIND. THE ACFT RAN OFF THE END OF THE RWY AND COLLIDED WITH A FENCE.

## Aircraft

- Registration: [N4941P](https://openairdocs.org/deregistered/N4941P-2013-08-15), registration cancelled 2013-08-15, S/N 15284851, built 1981 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 15284851
- Airframe hours: 1369
- Engines: LYCOMING O-235-L2C 110 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Richard Peterson
- Registered owner: Gordon T. Peters
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, August 7, 1985, 3 hours before
- Departed: CPR, CASPER, WY
- Destination: RIV, RIVERTON, WY
- Flight plan: VFR
- Airport: RIV, Riverton Regional, runway 17, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; student; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 44 total, 38 in this make and model, 13 as pilot in command, 34 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 10° at 13 knots
- Visibility: 40 statute miles
- Lowest ceiling: 10,000 ft broken
- Temperature: 54 °F, dew point 36 °F
- Altimeter: 30.00 inHg
- Observed at: RIV

## 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 19850809037839A](https://openairdocs.org/incident/19850809037839A), Aug 9, 1985: Cessna 152, Riverton, WY, Substantial damage. Landed long with tailwind. Aborted, landed again and ran through fences and came to rest inverted in a gully.

## Other investigations on N4941P (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 DEN81FTC27](https://openairdocs.org/ntsb/DEN81FTC27), Sep 19, 1981: Cessna 152 (N4941P), Casper, WY, 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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