# NTSB SEA78FTA03: Cessna 185, N21709, Bay Horse, MT, November 4, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 4, 1977
- Place: Bay Horse, MT · BAY HORSE, MT
- Location: 45.0433° N, 105.5669° W: Placed by OpenAirDocs: center of Bay Horse, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.0433&lon=-105.5669&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 14, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144596
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FTA03
- Page: https://openairdocs.org/ntsb/SEA78FTA03

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3590   77/11/4   BAY HORSE,MT        CESSNA 185          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 31, 1500
        TIME - 0700                    N21709              PX-  0  0  2  BUSINESS                  TOTAL HOURS, 52 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BAY HORSE STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          BAY HORSE,MT                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
        REMARKS- RT BRAKE PUCK 70% WORN,FADING FOR LAST WK.
```

## Aircraft

- Registration: [N21709](https://openairdocs.org/aircraft/N21709), registered now, S/N 18503064, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 185
- Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821) (OpenAirDocs)
- Registry engine: [Continental IO-520-D](https://openairdocs.org/engine/continental-io-520-d) (registry code 17236, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Bay Horse Strip

## 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 19771104034549A](https://openairdocs.org/incident/19771104034549A), Nov 4, 1977: Cessna A185F, Bay Horse, MT, Substantial damage. Rt brake puck 70 worn,fading for last wk.

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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