# NTSB NYC69A0019: Mooney 20B, N74506, La Grangeville, NY, August 12, 1968

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 12, 1968
- Place: La Grangeville, NY · LA GRANGEVILLE, NY
- Location: 41.6509° N, 73.7629° W: Placed by OpenAirDocs: center of Lagrangeville, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6509&lon=-73.7629&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 minor
- Status: Completed, report April 22, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 108697
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC69A0019
- Page: https://openairdocs.org/ntsb/NYC69A0019

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4671  68/8/12    LA GRANGEVILLE,NY   MOONEY 20B          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 41, 184
        TIME - 0650                    N74506              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 113 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SKY ACRES
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: MAGNETOS
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CAM RETAINING SCREW OUT OF PROPER POSITION IN L MAG.NR 2 CYL PUSH ROD BROKEN.OVER SHOT ARPT.
```

## Aircraft

- Registration: [N74506](https://openairdocs.org/deregistered/N74506-1971-01-04), registration cancelled 1971-01-04, S/N 1817 (OpenAirDocs)
- Reported make and model: MOONEY 20B
- Registry model: [Mooney M20B](https://openairdocs.org/model/mooney-m20b) (registry code 5870206) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Sky Acres

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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