# NTSB DEN68F0109: Piper PA-24, N7500P, Boulder, CO, September 30, 1967

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 30, 1967
- 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: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed, report December 15, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 113761
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68F0109
- Page: https://openairdocs.org/ntsb/DEN68F0109

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3475  67/9/30    BOULDER,COLO        PIPER PA-24         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 23, 104
        TIME - 2240                    N7500P              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 18 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BOULDER
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - SELECTED WRONG RUNWAY RELATIVE TO EXISTING WIND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        REMARKS- ACFT CAME TO REST IN ROUGH TERRAIN 300 FT PAST END OF RNWY.
```

## Aircraft

- Registration: [N7500P](https://openairdocs.org/aircraft/N7500P), registered now, S/N 24-2699, built 1961 (OpenAirDocs)
- Reported make and model: PIPER PA-24
- Registry model: [Piper PA-24-250](https://openairdocs.org/model/piper-pa-24-250) (registry code 7102404) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Boulder

## Other investigations on N7500P (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 CEN24LA206](https://openairdocs.org/ntsb/CEN24LA206), May 31, 2024: Piper PA-24-250 (N7500P), Colorado Springs, CO, substantial damage. Probable cause: The pilot’s failure to use the carburetor heat during a descent that resulted in the loss of engine power due to carburetor icing.

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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