# NTSB NYC68F0063: Cessna 150G, N8307J, Collegeville, PA, August 1, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 1, 1967
- Place: Collegeville, PA · COLLEGEVILLE, PA
- Location: 40.1869° N, 75.4575° W: Placed by OpenAirDocs: center of Collegeville, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.1869&lon=-75.4575&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 6, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 115207
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC68F0063
- Page: https://openairdocs.org/ntsb/NYC68F0063

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2789   67/8/1    COLLEGEVILLE,PA     CESSNA 150G         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 40, 34 TOTAL
        TIME - 1940                    N8307J              PX-  0  0  0  SOLO                      HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PERKIOMEN VALLEY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - STICKING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER CLEARANCE-TOLERANCE
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: INCORRECT FACTORY INSTALLATION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO 2 AND 4 CYLINDERS EXHAUST VALVE CLEARANCES LESS THAN MINIMUM REQUIREMENTS.
```

## Aircraft

- Registration: [N8307J](https://openairdocs.org/deregistered/N8307J-2019-01-28), registration cancelled 2019-01-28, S/N 15066207, built 1967 (OpenAirDocs)
- Reported make and model: CESSNA 150G
- Registry model: [Cessna 150G](https://openairdocs.org/model/cessna-150g) (registry code 2071816) (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: Perkiomen Valley

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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