# NTSB OAK67D0041: Champion 7EC, N9571S, Yuba City, CA, July 14, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 14, 1966
- Place: Yuba City, CA · YUBA CITY, CA
- Location: 39.1298° N, 121.6415° W: Placed by OpenAirDocs: center of Yuba City, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1298&lon=-121.6415&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 31, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 121925
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK67D0041
- Page: https://openairdocs.org/ntsb/OAK67D0041

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1755  66/7/14    YUBA CITY CALIF     CHAMPION 7EC        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 26, 650
        TIME - 1920                    N9571S              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SUTTER COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE TRAINING OF STUDENT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- AFTER 50 MINUTES DUAL,ACCIDENT OCCURRED ON 1ST LANDING.PREVIOUS EXPERIENCE WITH TRICYCLE GEAR ONLY
```

## Aircraft

- Registration: [N9571S](https://openairdocs.org/aircraft/N9571S), registered now, S/N 7ECA-379, built 1965 (OpenAirDocs)
- Reported make and model: CHAMPION 7EC
- Registry model: [Champion 7ECA](https://openairdocs.org/model/champion-7eca) (registry code 21101NN) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sutter County

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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