# NTSB OAK75AP002: Maule M4210C, N51444, Kyburz, CA, July 9, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 9, 1974
- Place: Kyburz, CA · KYBURZ, CA
- Location: 38.7746° N, 120.2969° W: Placed by OpenAirDocs: center of Kyburz, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7746&lon=-120.2969&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report September 20, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 130227
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75AP002
- Page: https://openairdocs.org/ntsb/OAK75AP002

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2271   74/7/9    KYBURZ,CALIF        MAULE M4210C        CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 57, 174
        TIME - 0600                    N51444              PX-  1  0  0  BUSINESS                  TOTAL HOURS, 131 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          S LK TAHOE,CALIF            STOCKTON,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST/LOWER SCATTERED                                  2000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      47
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
          CALM                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N51444](https://openairdocs.org/deregistered/N51444-1974-09-10), registration cancelled 1974-09-10, S/N 1104C, built 1973 (OpenAirDocs)
- Reported make and model: MAULE M4210C
- Registry model: [Maule M-4-210C](https://openairdocs.org/model/maule-m-4-210c) (registry code 5460112) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19740709023099A](https://openairdocs.org/incident/19740709023099A), Jul 9, 1974: Maule M4210C, Kyburz, CA, Destroyed, 1 fatal

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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