# NTSB MKC72FCD01: Piper PA-22, N4545Z, Knoxville, IA, July 7, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 7, 1971
- Place: Knoxville, IA · KNOXVILLE, IA
- Location: 41.3185° N, 93.1026° W: Placed by OpenAirDocs: center of Knoxville, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.3185&lon=-93.1026&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report December 9, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 162212
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FCD01
- Page: https://openairdocs.org/ntsb/MKC72FCD01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0762   71/7/7    KNOXVILLE,IOWA      PIPER PA-22         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 31, 80 TOTAL
        TIME - 1330                    N4545Z              PX-  0  0  1  BUSINESS                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - KNOXVILLE
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          CHADRON,NEBR                IOWA CITY,IOWA               KNOXVILLE,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: GO-AROUND
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
        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                  WIND DIRECTION-DEGREES
          NONE                                                     150
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           18                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- CRASH LANDED 1/2 MILE FROM DEPARTURE END OF RUNWAY. PLT MADE GOARND DUE GUSTY WIND.
```

## Aircraft

- Registration: [N4545Z](https://openairdocs.org/deregistered/N4545Z-2012-11-09), registration cancelled 2012-11-09, S/N 22-8050, built 1961 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (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: Knoxville

## Other investigations on N4545Z (2)

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 MKC71DDQ08](https://openairdocs.org/ntsb/MKC71DDQ08), Aug 16, 1970: Piper PA-22 (N4545Z), Chamberlain, SD, substantial damage
- [NTSB MKC70DCJ16](https://openairdocs.org/ntsb/MKC70DCJ16), Apr 10, 1970: Piper PA-22 (N4545Z), Chadron, NE, substantial damage

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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