# NTSB OAK68D0344: Cessna 170A, N3843V, Half Mon By, CA, December 9, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 9, 1967
- Place: Half Mon By, CA · HALF MON BY, CA
- Location: 37.4673° N, 122.4399° W: Placed by OpenAirDocs: center of Half Moon Bay, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.4673&lon=-122.4399&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report February 2, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 201103
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK68D0344
- Page: https://openairdocs.org/ntsb/OAK68D0344-201103

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4447   67/12/9   HALF MON BY,CALIF   CESSNA 170A         CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 31, 10 TOTAL
        TIME - 1345                    N3843V              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, 2 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - HALF MOON BAY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N3843V](https://openairdocs.org/aircraft/N3843V), registered now, S/N 18730, built 1949 (OpenAirDocs)
- Reported make and model: CESSNA 170A
- Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs)
- Registry engine: [Franklin 6A-350SER](https://openairdocs.org/engine/franklin-6a-350ser) (registry code 27023, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Half Moon Bay

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.