# NTSB OAK75AP021: Beech H35, N5419D, Hayward, CA, December 1, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 1, 1974
- Place: Hayward, CA · HAYWARD, CA
- Location: 37.6688° N, 122.0808° W: Placed by OpenAirDocs: center of Hayward, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6688&lon=-122.0808&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report April 25, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 146464
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75AP021
- Page: https://openairdocs.org/ntsb/OAK75AP021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4312   74/12/1   HAYWARD,CALIF       BEECH H35           CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 24, 562
        TIME - 1431                    N5419D              PX-  2  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 395 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HAYWARD AIR TERM
        DEPARTURE POINT             INTENDED DESTINATION
          SAN CARLOS,CALIF            STOCKTON,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - MISCELLANEOUS: OTHER
           POWERPLANT - PROPELLER AND ACCESSORIES: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - WRONG PART
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- FATIGUE.CONT IO-470-C ENG,84IN PROP INSTALLED.
```

## Aircraft

- Registration: [N5419D](https://openairdocs.org/deregistered/N5419D-1975-05-09), registration cancelled 1975-05-09, S/N D-4923 (OpenAirDocs)
- Reported make and model: BEECH H35
- Registry model: [Beech H35](https://openairdocs.org/model/beech-h35) (registry code 1151520) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Hayward Air Term

## 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 19741201044289A](https://openairdocs.org/incident/19741201044289A), Dec 1, 1974: Beech H35, Hayward, CA, Destroyed, 2 fatal. Fatigue. Cont IO-470-C eng,84IN prop installed.

## Other investigations on N5419D (1)

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.

- [NTSB OAK65D0024](https://openairdocs.org/ntsb/OAK65D0024), Mar 3, 1965: Beechcraft H-35 (N5419D), Modesto, CA, substantial damage

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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