# NTSB DEN87LA136: Cessna 180, N2933C, Upton, WY, May 27, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 27, 1987, 14:00 local (20:00 UTC)
- Place: Upton, WY
- Coordinates: 44.100162, -104.620025 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.1002&lon=-104.6200&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 31, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 17234
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87LA136
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17234/pdf
- Page: https://openairdocs.org/ntsb/DEN87LA136

## Sequence of events

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

- Loss of control - on ground/water, taxi - from landing
  - weather condition - crosswind (cause)
  - weather condition - gusts (cause)
  - compensation for wind conditions - inadequate, pilot in command (cause)
- Nose over, taxi - from landing

## Analysis

THE PLT REPORTED COMPLETING A CROSS WIND LANDING WITH STRONG GUSTS. WHILE TAXIING FROM LANDING, THE WIND LIFTED THE ACFT FROM THE RIGHT AND IT NOSED OVER. THE RWY USED WAS 13, AND THE FBO REPORTED WINDS AS 210 DEGREES AT 20 KNOTS, GUSTING TO 40 KNOTS.

## Aircraft

- Registration: [N2933C](https://openairdocs.org/aircraft/N2933C), registered now, S/N 30833 (OpenAirDocs)
- Reported make and model: CESSNA 180
- Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs)
- Category: Airplane
- Serial number: 30833
- Airframe hours: 5042
- Engines: CONTINENTAL O-470-J11 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Lawrence Materi
- Registered owner: Materi, Lawrence
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 26, 1986
- Departed: ECS, NEWCASTLE, WY
- Airport: 83V, Upton, runway 13, 3,850 × 100 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 22; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 144 total, 44 in this make and model, 105 as pilot in command, 31 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 210° at 20 knots, gusting 40
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 64 °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 19870527025279A](https://openairdocs.org/incident/19870527025279A), May 27, 1987: Cessna 180, Upton, WY, Substantial damage. Severe wind gust blew the aircraft over, taxiing to the ramp after landing. Wind speed exceeded aircraft control.

## Other investigations on N2933C (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 SEA98LA061](https://openairdocs.org/ntsb/SEA98LA061), Apr 9, 1998: Cessna 180 (N2933C), Redmond, OR, substantial damage. Probable cause: The passenger-pilot's excessive rate of descent during touchdown. Factors include the pilot-in-command's inadequate recovery from a hard/bounced landing, the passenger-pilot's failure to execute a…

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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