# NTSB MKC74FER44: Cessna 172, N6126E, Willmar, MN, March 23, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 23, 1974
- Place: Willmar, MN · WILLMAR, MN
- Location: 45.1210° N, 95.0587° W: Placed by OpenAirDocs: center of Willmar, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1210&lon=-95.0587&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 7, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186445
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74FER44
- Page: https://openairdocs.org/ntsb/MKC74FER44

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0700  74/3/23  NR.WILLMAR,MINN       CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 130
        TIME - 1105                    N6126E              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          DETROIT LAKES,MINN          FAIRMONT,MINN               WILLMAR,MINN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: DESCENDING
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - FUEL SYSTEM: RAM AIR ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - UNAPPROVED MODIFICATION
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- UNAUTHORIZED INDUCTION MODIFICATION DECREASES SUPPLY OF HOT AIR TO CARB.
```

## Aircraft

- Registration: [N6126E](https://openairdocs.org/deregistered/N6126E-1974-10-29), registration cancelled 1974-10-29, S/N 46226 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172](https://openairdocs.org/model/cessna-172) (registry code 2072402) (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 19740323007689A](https://openairdocs.org/incident/19740323007689A), Mar 23, 1974: Cessna 172, Willmar, MN, Substantial damage. Unauthorized induction modification decreases supply of hot air to carb.

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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