# NTSB NYC77DFA34: Cessna 172, N3912R, Watertown, NY, July 10, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 10, 1977
- Place: Watertown, NY · WATERTOWN, NY
- Location: 43.9733° N, 75.9100° W: Placed by OpenAirDocs: center of Watertown, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.9733&lon=-75.9100&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 15, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 146330
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC77DFA34
- Page: https://openairdocs.org/ntsb/NYC77DFA34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2356  77/7/10    WATERTOWN,NY        CESSNA 172          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, AGE 44, 2013
        TIME - 1700                    N3912R              PX-  0  0  1  DUAL                      TOTAL HOURS, 1300 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - WATERTOWN
        DEPARTURE POINT             INTENDED DESTINATION
          WATERTOWN,NY                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DIRT BANK                                 TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
        REMARKS- AIRCRAFT WENT OVER EMBANKMENT ALONG TAXIWAY AFTER FAILURE OF L BRAKE FOR UNDETERMINED REASON.
```

## Aircraft

- Registration: [N3912R](https://openairdocs.org/aircraft/N3912R), registered now, S/N 17255412 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172H](https://openairdocs.org/model/cessna-172h) (registry code 2072424) (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: Watertown

## 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 19770710026469A](https://openairdocs.org/incident/19770710026469A), Jul 10, 1977: Cessna 172H, Watertown, NY, Substantial damage. Aircraft went over embankment along taxiway after failure of l brake for undetermined reason.

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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