# NTSB DEN71FXD10: Piper PA-23, N1061P, Greeley, CO, July 26, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 26, 1970
- Place: Greeley, CO · GREELEY, CO
- Location: 40.4233° N, 104.7091° W: Placed by OpenAirDocs: center of Greeley, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4233&lon=-104.7091&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor
- Status: Completed, report May 21, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 109442
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN71FXD10
- Page: https://openairdocs.org/ntsb/DEN71FXD10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3083  70/7/26    GREELEY,COLO        PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 59, 3650
        TIME - 1545                    N1061P              PX-  0  0  2  BUSINESS                  TOTAL HOURS, 3000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - WELD COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          GREELEY,COLO                RAPID CITY,S DAK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: BLOWER,IMPELLER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- R ENG LOST OIL THRU TURBO-CHARGER SEALS. PLT FEATH PROP. UNABLE CONT FLT. DENSITY ALT 7200 FT.
```

## Aircraft

- Registration: [N1061P](https://openairdocs.org/deregistered/N1061P-1995-08-09), registration cancelled 1995-08-09, S/N 2369 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-150](https://openairdocs.org/model/piper-pa-23-150) (registry code 7102303) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Weld County

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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