# NTSB UNK64X1305: Cessna 120, N4256N, Monroeville, PA, April 14, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 14, 1964
- Place: Monroeville, PA · MONROEVILLE, PA
- Location: 40.4263° N, 79.7614° W: Placed by OpenAirDocs: center of Monroeville, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4263&lon=-79.7614&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 11, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 184268
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1305
- Page: https://openairdocs.org/ntsb/UNK64X1305

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0921  64/4/14    MONROEVILLE PA      CESSNA 120          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, 385
        TIME - 1900                    N4256N              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 345 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PITSBRG-MONROVLE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
        REMARKS- METAL PARTICLES AND SLUDGE IN BRAKE FLUID
```

## Aircraft

- Registration: [N4256N](https://openairdocs.org/deregistered/N4256N-1976-06-15), registration cancelled 1976-06-15, S/N 13727, built 1947 (OpenAirDocs)
- Reported make and model: CESSNA 120
- Registry model: [Cessna 120](https://openairdocs.org/model/cessna-120) (registry code 2071402) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pitsbrg-Monrovle

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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