# NTSB MKC72AK063: Piper PA-32, N4001R, Poplar Bluff, MO, May 25, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 25, 1972
- Place: Poplar Bluff, MO · POPLAR BLUFF, MO
- Location: 36.7633° N, 90.4140° W: Placed by OpenAirDocs: center of Poplar Bluff, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.7633&lon=-90.4140&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report February 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167120
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72AK063
- Page: https://openairdocs.org/ntsb/MKC72AK063

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1804  72/5/25    POPLAR BLUFF,MO     PIPER PA-32         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1415                    N4001R              PX-  0  0  3  AIR TAXI-PASSG            AGE 21, 1179 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            48 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - EARL FIELDS
        DEPARTURE POINT             INTENDED DESTINATION
          FARMINGTON,MO               POPLAR BLUFF,MO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIDDEN OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CONROD CAP ATTACH BOLT FAILED. HIT MOUND HIDDEN BY TALL GRASS.
```

## Aircraft

- Registration: [N4001R](https://openairdocs.org/aircraft/N4001R), registered now, S/N 32-40286, built 1967 (OpenAirDocs)
- Reported make and model: PIPER PA-32
- Registry model: [Piper PA-32-300](https://openairdocs.org/model/piper-pa-32-300) (registry code 7103212) (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: Earl Fields

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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