# NTSB MKC68D0399: Cessna 172E, N3684S, Agency, IA, December 28, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 28, 1967
- Place: Agency, IA · AGENCY, IA
- Location: 40.9970° N, 92.3073° W: Placed by OpenAirDocs: center of Agency, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.9970&lon=-92.3073&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 5, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 112586
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC68D0399
- Page: https://openairdocs.org/ntsb/MKC68D0399

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3997  67/12/28   AGENCY,IOWA         CESSNA 172E         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 24, 65 TOTAL
        TIME - 1300                    N3684S              PX-  0  0  1  BUSINESS                  HOURS, 41 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           SYSTEMS - ANTI-ICING,DE-ICING SYSTEMS: CARBURETOR DE-ICING SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  2000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                      30
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           7                                                       VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- CARB HEAT CONTROL CABLE CAME LOOSE FROM BOX. PLT LANDED IN CORNFIELD.
```

## Aircraft

- Registration: [N3684S](https://openairdocs.org/deregistered/N3684S-2014-02-26), registration cancelled 2014-02-26, S/N 17250884 (OpenAirDocs)
- Reported make and model: CESSNA 172E
- Registry model: [Cessna 172E](https://openairdocs.org/model/cessna-172e) (registry code 2072412) (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

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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