# NTSB NYC77FA085: Beech P35, N446Q, Pittsburgh, PA, August 21, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 21, 1977
- Place: Pittsburgh, PA · PITTSBURGH, PA
- Location: 40.4406° N, 79.9959° W: Placed by OpenAirDocs: center of Pittsburgh, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4406&lon=-79.9959&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 2 serious
- Status: Completed, report April 7, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 145503
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC77FA085
- Page: https://openairdocs.org/ntsb/NYC77FA085

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4172  77/8/21    PITTSBURGH,PA       BEECH P35           CR-  0  2  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1452                    N446Q               PX-  1  0  0  DUAL                      AGE 28, 1252 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            10 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ALLEGHENEY CO
        DEPARTURE POINT             INTENDED DESTINATION
          W.MIFFLIN,PA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           TERRAIN - OTHER
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- CRANKSHAFT FAILED RESULT OF FATIGUE IN AREA WHERE BEARING ROTATED.LNDD ON DOWN SLOPE OF GOLF CSR.
```

## Aircraft

- Registration: [N446Q](https://openairdocs.org/deregistered/N446Q-1978-02-23), registration cancelled 1978-02-23, S/N D-6934, built 1962 (OpenAirDocs)
- Reported make and model: BEECH P35
- Registry model: [Beech P35](https://openairdocs.org/model/beech-p35) (registry code 1151530) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Allegheney Co

## 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 19770821041829A](https://openairdocs.org/incident/19770821041829A), Aug 21, 1977: Beech P35BEECH, Pittsburgh, PA, Destroyed, 1 fatal. Crankshaft failed result of fatigue in area where bearing rotated. Lndd on down slope of golf csr.

## Other investigations on N446Q (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 OAK68D0289](https://openairdocs.org/ntsb/OAK68D0289), Feb 18, 1968: Beech P35 (N446Q), Half Moon Bay, CA, 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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