# NTSB SEA77DYM57: Beech C-18S, N4758N, Sheridan, OR, August 14, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 14, 1977
- 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: 2 uninjured
- Status: Completed, report October 27, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145849
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77DYM57
- Page: https://openairdocs.org/ntsb/SEA77DYM57

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2792  77/8/14    SHERIDAN,OR         BEECH C-18S         CR-  0  0  2  INSTRUCTIONAL             PRIVATE, AGE 27, 752
        TIME - 1700                    N4758N              PX-  0  0  0  TRAINING                  TOTAL HOURS, 114 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SHERIDAN
        DEPARTURE POINT             INTENDED DESTINATION
          SHERIDAN,OR                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           COPILOT - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N4758N](https://openairdocs.org/deregistered/N4758N-2012-12-13), registration cancelled 2012-12-13, S/N 8440, built 1945 (OpenAirDocs)
- Reported make and model: BEECH C-18S
- Registry model: [Beech C18S](https://openairdocs.org/model/beech-c18s) (registry code 1150902) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, 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 19770814028209A](https://openairdocs.org/incident/19770814028209A), Aug 14, 1977: Beech TC45G, Sheridan, OR, Substantial damage

## Other investigations on N4758N (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 SEA82DA116](https://openairdocs.org/ntsb/SEA82DA116), Jul 18, 1982: Beech C45G (N4758N), Sheridan, OR, destroyed

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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