# NTSB CHI68F0433: Beech D35, N2987B, London, OH, November 20, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 20, 1967
- Place: London, OH · LONDON, OH
- Location: 39.8961° N, 83.4325° W: Placed by OpenAirDocs: center of London, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8961&lon=-83.4325&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 17, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 112810
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI68F0433
- Page: https://openairdocs.org/ntsb/CHI68F0433

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4072  67/11/20   LONDON,OHIO         BEECH D35           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 1500
        TIME - 1600                    N2987B              PX-  0  0  0  BUSINESS                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO.3 CYLINDER EXHAUST VALVE FAILED. INTENTIONAL WHEELS UP LNDG.
```

## Aircraft

- Registration: [N2987B](https://openairdocs.org/aircraft/N2987B), registered now, S/N D-3625, built 1953 (OpenAirDocs)
- Reported make and model: BEECH D35
- Registry model: [Beech 35](https://openairdocs.org/model/beech-35) (registry code 1151502) (OpenAirDocs)
- Registry engine: [Continental E185 series](https://openairdocs.org/engine/continental-e185-series) (registry code 17014, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

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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