# NTSB DEN72FTE07: Piper PA-24, N4960, Denver, CO, August 4, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 4, 1971
- Place: Denver, CO · DENVER, CO
- Location: 39.7392° N, 104.9847° W: Placed by OpenAirDocs: center of Denver, CO, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7392&lon=-104.9847&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 17, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 162897
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN72FTE07
- Page: https://openairdocs.org/ntsb/DEN72FTE07-162897

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2867   71/8/4    DENVER,COLO         PIPER PA-24         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 30, 2100
        TIME - 1130                    N4960               PX-  0  0  0  FERRY                     TOTAL HOURS, 15 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ARAPAHOE CO
        DEPARTURE POINT             INTENDED DESTINATION
          DENVER,COLO                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - EXHAUST SYSTEM: MUFFLERS
           POWERPLANT - EXHAUST SYSTEM: BAFFLES
           PILOT IN COMMAND - DELAYED ACTION IN ABORTING TAKEOFF
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- AD 68-5-1 NOT C/W.LOOSE CENTER BAFFLE RSTRCTD EXHST MUFFLER OUTLET.
```

## Aircraft

- Registration: [N4960](https://openairdocs.org/aircraft/N4960), registered now, S/N 24-4025 (OpenAirDocs)
- Reported make and model: PIPER PA-24
- Registry model: [Piper PA-24-260](https://openairdocs.org/model/piper-pa-24-260) (registry code 7102406) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Arapahoe Co

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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