# NTSB DEN80FTE43: Piper PA-18, N6127A, Boulder, CO, April 22, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 22, 1980
- Place: Boulder, CO · BOULDER, CO
- Location: 40.0244° N, 105.2513° W: Placed by OpenAirDocs: center of Boulder, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0244&lon=-105.2513&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 14, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130884
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN80FTE43
- Page: https://openairdocs.org/ntsb/DEN80FTE43

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1311  80/4/22    BOULDER,CO          PIPER PA-18         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1100                    N6127A              PX-  0  0  0  DUAL                      AGE 21, 644 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            33 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BOULDER MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,CO                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
```

## Aircraft

- Registration: [N6127A](https://openairdocs.org/aircraft/N6127A), registered now, S/N 18-8009051, built 1979 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Boulder Muni

## 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 19800422010149A](https://openairdocs.org/incident/19800422010149A), Apr 22, 1980: Piper PA18150, Boulder, CO, Substantial damage. Student lost control of tail wheel aircraft on landing roll. CFI failed to prevent ensuing ground-loop.

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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