# NTSB CHI81FER48: Cessna 172P, N52565, Thief River Fa, MN, July 1, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 1, 1981
- Place: Thief River Fa, MN · THIEF RIVER FA, MN
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 31, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124912
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FER48
- Page: https://openairdocs.org/ntsb/CHI81FER48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1521   81/7/1    THIEF RIVER FA,MN   CESSNA 172P         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 41, 9838
        TIME - 1210                    N52565              PX-  0  0  2  MAPPING/PHOTO             TOTAL HOURS, 1040 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          THIEF RIVER FA,MN           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
           MISCELLANEOUS ACTS,CONDITIONS - NICKED
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
        REMARKS- MCCAULEY FXD PITCH PROP,MODEL 1C160/DTM,FAILED 12 IN FM HUB CTR LN.CRACK BGN FM TRAILING EDGE NICK
```

## Aircraft

- Registration: [N52565](https://openairdocs.org/deregistered/N52565-1994-03-29), registration cancelled 1994-03-29, S/N 17274555 (OpenAirDocs)
- Reported make and model: CESSNA 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (registry code 2072436) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810701037719A](https://openairdocs.org/incident/19810701037719A), Jul 1, 1981: Cessna 172P, Thief River Fal, MN, Substantial damage. Severe engine vibration. Shut engine down and landed on a road. Prop blade had seperated from aircraft.

## Other investigations on N52565 (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 CHI86LA156](https://openairdocs.org/ntsb/CHI86LA156), Jun 17, 1986: Cessna 172P (N52565), Grand Rapids, MN, 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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