# NTSB DEN84LA154: Cessna 150L, N6730G, Evanston, WY, May 23, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 23, 1984, 11:45 local (17:45 UTC)
- Place: Evanston, WY
- Coordinates: 41.249641, -110.959068 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.2496&lon=-110.9591&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): 16383
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA154
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16383/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA154

## 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
  - weather evaluation - poor, pilot in command (cause)
  - wrong runway - selected, pilot in command (cause)
  - lack of total experience in type operation, pilot in command (contributing factor)
  - compensation for wind conditions - improper, pilot in command (cause)
  - weather condition - gusts (contributing factor)
  - weather condition - tailwind (contributing factor)
  - weather condition - crosswind (contributing factor)
  - directional control - not maintained, pilot in command
- Nose over, landing - roll

## Analysis

PLT STATED HE COULDN'T MAKE RADIO CONTACT WITH THE ARPT AND THE WIND SOCK INDICATED A X-WIND SO HE ELECTED TO USE RWY 34. THE ACFT BOUNCED DURING THE LANDING. PLT STATED, 'THE WIND SHIFTED FROM A X-WIND TO 140 DEG, CAUSING A DOWNWIND WHICH CAUSED THE PLANE TO FLOP ON IT'S BACK.'

## Aircraft

- Registration: [N6730G](https://openairdocs.org/deregistered/N6730G-2015-04-27), registration cancelled 2015-04-27, S/N 15072230, built 1970 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15072230
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Virgil E. Morris
- Airworthiness certificate: Standard, Normal
- Departed: RKS, ROCK SPRINGS, WY
- Flight plan: VFR
- Airport: EVW, Evanston Muni., runway 34, 5,000 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 63; student; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 31 total, 29 in this make and model, 17 as pilot in command, 17 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 140° at 20 knots, gusting 30
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 75 °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 19840523018509A](https://openairdocs.org/incident/19840523018509A), May 23, 1984: Cessna 150L, Evanston, WY, Substantial damage. Solo cross country student tried to land in a 30 knot tailwind and flipped over. Inadequate student supervision.

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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