# NTSB OAK73FVD17: Champion 7EC, N4330C, Fremont, CA, September 10, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 10, 1972
- Place: Fremont, CA · FREMONT, CA
- Location: 37.5483° N, 121.9886° W: Placed by OpenAirDocs: center of Fremont, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.5483&lon=-121.9886&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 21, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168340
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73FVD17
- Page: https://openairdocs.org/ntsb/OAK73FVD17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3363  72/9/10    FREMONT,CALIF       CHAMPION 7EC        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 51, 220
        TIME - 1040                    N4330C              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 4 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FREMONT
        DEPARTURE POINT             INTENDED DESTINATION
          HAYWARD AIR TERMINAL        FREMONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        REMARKS- LOST DIRECTIONAL CONTROL DURING LNDNG ROLL.INITITED GO-AROUND.OVER-CORRECTED.FENCE PARALLEL RNWY
```

## Aircraft

- Registration: [N4330C](https://openairdocs.org/deregistered/N4330C-2013-06-27), registration cancelled 2013-06-27, S/N 7EC-339, built 1955 (OpenAirDocs)
- Reported make and model: CHAMPION 7EC
- Registry model: [Champion 7EC](https://openairdocs.org/model/champion-7ec) (registry code 21101NM) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Fremont

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.
