# NTSB OAK74DVD42: Cessna 170, N2746D, Novato, CA, June 22, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 22, 1974
- Place: Novato, CA · NOVATO, CA
- Location: 38.0851° N, 122.5483° W: Placed by OpenAirDocs: center of Novato, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.0851&lon=-122.5483&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 23, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 173452
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74DVD42
- Page: https://openairdocs.org/ntsb/OAK74DVD42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1677  74/6/22    NOVATO,CALIF        CESSNA 170          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 57, 135
        TIME - 1140                    N2746D              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 79 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GNOSS FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          NOVATO,CALIF                LOCAL
        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
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N2746D](https://openairdocs.org/aircraft/N2746D), registered now, S/N 25288, built 1952 (OpenAirDocs)
- Reported make and model: CESSNA 170
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (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: Gnoss Field

## 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 19740622017289A](https://openairdocs.org/incident/19740622017289A), Jun 22, 1974: Cessna 170B, Novato, CA, Substantial damage

## Other investigations on N2746D (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 ANC21LA056](https://openairdocs.org/ntsb/ANC21LA056), Jul 1, 2021: Cessna 170B (N2746D), North Pole, AK, destroyed. Probable cause: The pilot’s exceedance of the airplane’s takeoff performance limitations, which prevented the airplane from gaining sufficient altitude to clear the trees off the departure end of the runway.
- [NTSB ANC92LA066](https://openairdocs.org/ntsb/ANC92LA066), May 4, 1992: Cessna C-170B (N2746D), Talkeetna, AK, substantial damage. Probable cause: LOSS OF CONTROL ON LANDING ROLL DUE TO THE PILOT'S FAILURE TO MAINTAIN PROPER ALIGNMENT, RESULTING IN COLLISION WITH TERRAIN DURING AN UNCONTROLLED GROUND LOOP/SWERVE. A FACTOR RELATING TO THE…

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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