# NTSB DEN80FTA22: Piper PA-18, N7671D, Alzada, MT, May 17, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 17, 1980
- Place: Alzada, MT · ALZADA, MT
- Location: 45.0205° N, 104.4128° W: Placed by OpenAirDocs: center of Alzada, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.0205&lon=-104.4128&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 17, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130549
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FTA22
- Page: https://openairdocs.org/ntsb/DEN80FTA22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2614  80/5/17    ALZADA,MT           PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1100                    N7671D              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 28, 2000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            150 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - PRIVATE
        DEPARTURE POINT             INTENDED DESTINATION
          SPEARFISH,SD                ALZADA,MT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     UNKNOWN/NOT REPORTED
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           60                                                       45
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- WND GSTG 30KTS.INITIATED GND LOOP TO AVOID ROLLING DWN INCLINE AT END OF RWY.
```

## Aircraft

- Registration: [N7671D](https://openairdocs.org/aircraft/N7671D), registered now, S/N 18-5889, built 1957 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Private

## 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 19800517042139A](https://openairdocs.org/incident/19800517042139A), May 17, 1980: Piper PA18, Alzada, MT, Substantial damage. Too fast on gusty crosswind landing. Ground-looped airplane to prevent going off end of runway.

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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