# NTSB OAK77DVD04: Cessna 172, N4185F, Petaluma, CA, November 5, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 5, 1976
- 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: 3 uninjured
- Status: Completed, report December 3, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155990
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK77DVD04
- Page: https://openairdocs.org/ntsb/OAK77DVD04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3232   76/11/5   PETALUMA,CA         CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1205                    N4185F              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  39, 8156 TOTAL HOURS, 5
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MORELI RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          SANTA ROSA,CA               PETALUMA,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - RAN OFF END OF RUNWAY
        REMARKS- BRAKE PAD DISINTEGRATED.
```

## Aircraft

- Registration: [N4185F](https://openairdocs.org/deregistered/N4185F-2012-11-07), registration cancelled 2012-11-07, S/N 46085, built 1958 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172](https://openairdocs.org/model/cessna-172) (registry code 2072402) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Moreli Ranch

## 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 19761105033499A](https://openairdocs.org/incident/19761105033499A), Nov 5, 1976: Cessna 172, Petaluma, CA, Substantial damage. Brake pad disintegrated.

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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