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| NTSB Identification: CHI97LA276. The docket is stored in the (offline) NTSB Imaging System. |
| Accident occurred Sunday, August 31, 1997 at ROMEO, MI |
| Aircraft: Cessna 150J, registration: N60200 |
| Injuries: 2 Uninjured |
| Event: 20001208X08600 Status: Final Report Approved On Friday, June 26, 1998 |
| NTSB Preliminary Narrative (6120.19A) |
| On August 31, 1997, at 0815 eastern daylight time, a Cessna 150J, N60200, was substantially damaged during a forced landing in a corn field |
| near Romeo, Michigan. The pilot said that when he was turning final for landing to the south at the Romeo Airport, the engine suffered a |
| complete power loss and that trees on the approach prevented landing on the runway. The pilot and one passenger reported no injuries. |
| Visibility was restricted in the area due to fog; however, exact conditions at the accident site were not reported. The personal 14 CFR Part 91 |
| flight departed a private airport in Shelby Township, Michigan, about 0800. |
| The nearest weather reporting station was 20 miles to the west-southwest. Thirty minutes prior to the accident that reporting station was |
| reporting visibility restricted to two and one half miles in fog. The temperature/dew point spread was one degree (62F/61F). |
| An icing "probability" chart is attached as an addendum to this report. The temperature and dew point calculations fall within the potential icing |
| range for the float type carburetor on the accident airplane. |
| The pilot said that he thought that he had used the carburetor heat during the flight, but was unable to recall the position of the carburetor heat at |
| the time the engine suffered the loss of power. |
| An inspection of the airplane and engine after the accident failed to reveal any preexisting mechanical anomalies. |
| NTSB Final Narrative (6120.4) |
| The pilot said that when he was turning final for landing, a complete power loss occurred. Also, he said that trees on the approach prevented |
| him from landing on the runway. Subsequently, the airplane was substantially damaged during a forced landing in a corn field. At the time of the |
| accident, visibility was restricted by fog. About thirty minutes after the accident, at an airport 20 miles to the west-southwest of the accident |
| site, the temperature/dew point spread was one degree (62F/61F). According to an icing 'probability' chart, conditions were conducive for |
| carburetor ice. The pilot said he thought he had used the carburetor heat during the flight, but was unable to recall the position of the carburetor |
| heat at the time the engine suffered the loss of power. An examination of the airplane after the accident failed to reveal any preexisting |
| anomalies. |
| NTSB Probable Cause Narrative |
| the pilot's improper use of carburetor heat, which resulted in carburetor ice and loss of engine power. Factors relating to the accident were: |
| carburetor icing conditions, and the crop (corn) in the emergency landing area. |
| Occurrences and Sequence of Events |
| Occurrence: 1, LOSS OF ENGINE POWER(TOTAL) - NONMECHANICAL |
| Phase of Operation: APPROACH - VFR PATTERN - BASE LEG/BASE TO FINAL |
| Sequence of Events for Occurrence Number: 1 |
| 1 ( Factor ) WEATHER CONDITION / CARBURETOR ICING CONDITIONS / (0) |
| 2 ( Cause ) CARBURETOR HEAT / IMPROPER USE OF / PILOT IN COMMAND |
| 3 ( Cause ) FUEL SYSTEM, CARBURETOR / ICE / (0) |
| Occurrence: 2, FORCED LANDING |
| Phase of Operation: EMERGENCY DESCENT/LANDING |
| Occurrence: 3, IN FLIGHT COLLISION WITH TERRAIN/WATER |
| Phase of Operation: EMERGENCY LANDING |
| Sequence of Events for Occurrence Number: 3 |
| 1 ( Factor ) TERRAIN CONDITIONS / CROP / (0) |
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