# NTSB SEA70DDA02: Piper PA-22, N9724D, Denton, MT, February 1, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 1, 1970
- Place: Denton, MT · DENTON, MT
- Location: 47.3222° N, 109.9485° W: Placed by OpenAirDocs: center of Denton, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.3222&lon=-109.9485&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 6, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 143936
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA70DDA02
- Page: https://openairdocs.org/ntsb/SEA70DDA02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0634   70/2/1    DENTON,MONT         PIPER PA-22         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 20, 87 TOTAL
        TIME - 0830                    N9724D              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  HOURS, 14 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - SCHWETZER
        DEPARTURE POINT             INTENDED DESTINATION
          FT.BENTON,MONT              DENTON,MONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - BECAME LOST/DISORIENTED
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - LANDED AT WRONG AIRPORT
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
           WEATHER - OTHER
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        WEATHER BRIEFING - OTHER
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  1000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          HAZE                                                      30
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- MISTOOK PRIVATE SNOW COVERED STRIP FOR ARPT DUE TO APCHING STORM. WEA BRIEF BY COML RADIO.
```

## Aircraft

- Registration: [N9724D](https://openairdocs.org/deregistered/N9724D-2012-11-26), registration cancelled 2012-11-26, S/N 22-6636, built 1959 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-160](https://openairdocs.org/model/piper-pa-22-160) (registry code 7102214) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Schwetzer

## Other investigations on N9724D (1)

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 UNK64X1535](https://openairdocs.org/ntsb/UNK64X1535), Apr 30, 1964: Piper PA22 (N9724D), Billings, MT, substantial damage

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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