ASN Wikibase Occurrence # 359860
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| Date: | Thursday 1 September 1994 |
| Time: | 22:00 LT |
| Type: |  Thorp T-18 |
| Owner/operator: | Private |
| Registration: | N2911 |
| MSN: | 86 |
| Year of manufacture: | 1968 |
| Engine model: | LYCOMING O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kenosha, WI -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AMATEUR BUILT AIRPLANE LOST ENGINE POWER SHORTLY AFTER LIFTOFF. THE PILOT WAS ABLE TO LAND THE AIRPLANE ON THE LAST 400' FEET OF RUNWAY, BUT WAS UNABLE TO STOP THE AIRPLANE BEFORE IT RAN OFF THE END AND NOSED-OVER. POSTACCIDENT EXAMINATION OF THE ENGINE AND AIRFRAME DISCOVERED NO PREIMPACT ANOMALIES. THE ENGINE WAS STARTED AND ACCELERATED TO A STATIC RPM OF 2200 WITH NO OBSERVED DEFICIENCIES. FIFTEEN MINUTES PRIOR TO THE ACCIDENT, A WEATHER REPORTING STATION 13 MILES SOUTH OF THE ACCIDENT SITE RECORDED A TEMPERATURE OF 50 DEGREES F., AND A DEWPOINT OF 47 DEGREES F. THIS TEMPERATURE/DEWPOINT COMBINATION FALLS IN THE SERIOUS ICING CATEGORY ON A CARBURETOR ICING PROBABILITY CHART. THE PILOT REPORTED HE DID NOT HAVE TIME TO ATTEMPT AN ENGINE RESTART OR TO USE THE CARBURETOR HEAT CONTROL AFTER THE ENGINE LOST POWER.
Probable Cause: the pilot's failure to use carburetor heat in carburetor icing conditions. A factor associated with the accident is the prevailing carburetor icing conditions.
Accident investigation:
 |
|
Sources:
NTSB CHI94LA308
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 15:21 | ASN Update Bot | Added |
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