# NTSB SEA68D0121: Piper PA-28, N9456J, Swan Lake, MT, July 29, 1967

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 29, 1967
- Place: Swan Lake, MT · SWAN LAKE, MT
- Location: 47.9361° N, 113.7997° W: Placed by OpenAirDocs: center of Swan Lake, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.9361&lon=-113.7997&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 2 uninjured
- Status: Completed, report January 11, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 114765
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA68D0121
- Page: https://openairdocs.org/ntsb/SEA68D0121

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3965  67/7/29  NR.SWAN LAKE,MONT     PIPER PA-28         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 29, 51 TOTAL
        TIME - 1745                    N9456J              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SPOTTED BEAR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      80
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- ATTEMPTED T/O HEAVILY LOADED,DENSITY ALT.5900. ACFT SANK IN RIVER.
```

## Aircraft

- Registration: [N9456J](https://openairdocs.org/deregistered/N9456J-1971-03-31), registration cancelled 1971-03-31, S/N 28-3569, built 1966 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-180](https://openairdocs.org/model/piper-pa-28-180) (registry code 7102808) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Spotted Bear

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
