# NTSB OAK67D0222: Champion 7GCAA, N9533S, Petaluma, CA, October 20, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 20, 1966
- Place: Petaluma, CA · PETALUMA, CA
- Location: 38.2420° N, 122.6286° W: Placed by OpenAirDocs: center of Petaluma, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2420&lon=-122.6286&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 31, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 120447
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK67D0222
- Page: https://openairdocs.org/ntsb/OAK67D0222

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4095  66/10/20   PETALUMA CALIF      CHAMPION 7GCAA      CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1600                    N9533S              PX-  0  0  1  BUSINESS                  AGE 33, 2500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            550 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PETALUMA SKY RANC
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT QUARTERING HEAD WIND 293-337 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           70                                                      260
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           40                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- LEFT CROSSWIND 30 DEGREES,30 KNOTS,GUSTING TO 40 KNOTS
```

## Aircraft

- Registration: [N9533S](https://openairdocs.org/deregistered/N9533S-2012-11-20), registration cancelled 2012-11-20, S/N 73, built 1966 (OpenAirDocs)
- Reported make and model: CHAMPION 7GCAA
- Registry model: [Champion 7GCAA](https://openairdocs.org/model/champion-7gcaa) (registry code 21101N8) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Petaluma Sky Ranc

## Other investigations on N9533S (2)

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 ANC86LA019](https://openairdocs.org/ntsb/ANC86LA019), Dec 22, 1985: Bellanca 7GCAA (N9533S), Anchorage, AK, substantial damage
- [NTSB OAK71DVD36](https://openairdocs.org/ntsb/OAK71DVD36), Mar 21, 1971: Champion 7GC-AA (N9533S), Santa Rosa, 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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