# NTSB UNK65X0491: Mooney 20E, N1313W, South Fork, CO, October 30, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 30, 1964
- Place: South Fork, CO · SOUTH FORK, CO
- Location: 37.6692° N, 106.6429° W: Placed by OpenAirDocs: center of South Fork, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6692&lon=-106.6429&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report April 22, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 181194
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0491
- Page: https://openairdocs.org/ntsb/UNK65X0491

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0973  64/10/30   SOUTH FORK COLO     MOONEY 20E          CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 38, 1000
        TIME - 0900                    N1313W              PX-  3  0  0  BUSINESS                  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        FACTOR(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  600
        VISIBILITY AT ACCIDENT SITE                              OBSTRUCTIONS TO VISION AT ACCIDENT SITE
          1 MILE OR LESS                                           BLOWING SNOW
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          215                                                       35
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      VFR
        REMARKS- LEFT WING FAILED UNDER POSITIVE IN-FLIGHT OVERLOADS.
```

## Aircraft

- Registration: [N1313W](https://openairdocs.org/deregistered/N1313W-1964-12-22), registration cancelled 1964-12-22, S/N 201 (OpenAirDocs)
- Reported make and model: MOONEY 20E
- Registry model: [Mooney M20E](https://openairdocs.org/model/mooney-m20e) (registry code 5870212) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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