# NTSB SEA77FYC07: Cessna 150, N3998U, Sheridan, OR, November 18, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 18, 1976
- Place: Sheridan, OR · SHERIDAN, OR
- Location: 45.0959° N, 123.3981° W: Placed by OpenAirDocs: center of Sheridan, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.0959&lon=-123.3981&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 1, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156606
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77FYC07
- Page: https://openairdocs.org/ntsb/SEA77FYC07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3907  76/11/18   SHERIDAN,OR         CESSNA 150          CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 49, 515
        TIME - 1145                    N3998U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 45 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SHERIDAN
        DEPARTURE POINT             INTENDED DESTINATION
          MCMINNVILLE,OR              SHERIDAN,OR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
           TERRAIN - WET,SOFT GROUND
        REMARKS- PLT WEARING HEAVY BOOTS.RAN OFF SIDE OF RWY INTO MUDDY FIELD.
```

## Aircraft

- Registration: [N3998U](https://openairdocs.org/aircraft/N3998U), registered now, S/N 15061398, built 1965 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150E](https://openairdocs.org/model/cessna-150e) (registry code 2071812) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sheridan

## 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 19761118036269A](https://openairdocs.org/incident/19761118036269A), Nov 18, 1976: Cessna 150E, Sheridan, OR, Substantial damage. Plt wearing heavy boots. Ran off side of rwy into muddy field.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.