# NTSB FTW82DA186: Cessna 150, N50994, Knowles, OK, May 15, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: May 15, 1982, 17:00 local (22:00 UTC)
- Place: Knowles, OK
- Location: 36.8729° N, 100.1924° W: Placed by OpenAirDocs: center of Knowles, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.8729&lon=-100.1924&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 15, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 71283
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW82DA186
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71283/pdf
- Page: https://openairdocs.org/ntsb/FTW82DA186

## Sequence of events

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

- In flight collision with object, takeoff - initial climb
  - weather condition - high density altitude (cause)
  - object - fence (contributing factor)
  - procedures/directives - disregarded, pilot in command (cause)

## Analysis

DURING A CROSS COUNTRY FLIGHT THE STUDENT PILOT ELECTED TO LAND IN A PASTURE NEAR HIS HOME. ON TAKEOFF THE AIRCRAFT COLLIDED WITH A FENCE RESULTING IN SUBSTANTIAL DAMAGE TO THE AIRCRAFT. THE PILOT RETURNED TO THE PASTURE AND LANDED WITHOUT FURTHER INCIDENT. INVESTIGATION REVEALED THE STUDENT PILOT WAS NOT AUTHORIZED TO LAND AT THIS LOCATION.

## Aircraft

- Registration: [N50994](https://openairdocs.org/aircraft/N50994), registered now, S/N 15069696 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150J](https://openairdocs.org/model/cessna-150j) (registry code 2071820) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15069696
- Airframe hours: 2900
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Donald Urbaniak
- Registered owner: Donald Urbaniak
- Departed: KNOWLES, OK
- Destination: KNOWLES, OK
- Airport: C.E. Bond Farm

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; student; medical: class 3, valid medical--w/ waivers/lim; flight hours: 32 total, 12 in this make and model, 12 as pilot in command, 31 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Temperature: 176 °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 19820515016799A](https://openairdocs.org/incident/19820515016799A), May 15, 1982: Cessna 150J, Knowles, OK, Substantial damage. Horizontal stabilizer and elevator struck a fence post when student made unauthorized takeoff from a pasture.

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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