# NTSB MKC77FER14: Cessna 172G, N4680L, Rutledge, MN, January 15, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 15, 1977
- Place: Rutledge, MN · RUTLEDGE, MN
- Location: 46.2559° N, 92.8782° W: Placed by OpenAirDocs: center of Rutledge, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.2559&lon=-92.8782&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 14, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156987
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FER14
- Page: https://openairdocs.org/ntsb/MKC77FER14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0095  77/1/15    RUTLEDGE,MN         CESSNA 172G         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1215                    N4680L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 25, 1203 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            350 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LAKE ELMO,MN                HIBBING,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - LUBRICATING SYSTEM: LINES,HOSES,FITTING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER/INADEQUATE VENTING
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENGINE BREATHER LINE WAS FOUND TO BE BLOCKED WITH ICE. PLT PULLED MIXTURE OFF AT ALTITUDE.
```

## Aircraft

- Registration: [N4680L](https://openairdocs.org/aircraft/N4680L), registered now, S/N 17254675, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 172G
- Registry model: [Cessna 172G](https://openairdocs.org/model/cessna-172g) (registry code 2072420) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (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 19770115000989A](https://openairdocs.org/incident/19770115000989A), Jan 15, 1977: Cessna 172G, Rutledge, MN, Substantial damage. Engine breather line was found to be blocked with ice. Plt pulled mixture off at altitude.

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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