On March 14, 1992, a Cessna 177B (registration N1271C) operated by Jet Air, Inc. was involved in an aviation accident near Olney, IL. Investigators recorded the probable cause as: THE PILOT'S FAILURE TO SELECT CARBURETOR HEAT IN A TIMELY MANNER, AND THE TOTAL LOSS OF ENGINE POWER DUE TO CARBURETOR ICE. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.
An airplane in cruise flight at 4,000 feet MSL in instrument meteorological conditions and heavy snow experienced an engine power loss. Restart and emergency procedures were unsuccessful, leading to a forced landing in a farm field. The airplane nosed over during the landing roll.
Accident Overview
An airplane operating in cruise flight at 4,000 feet above mean sea level encountered an engine power loss while in instrument meteorological conditions (IMC) with heavy snowfall. The pilot attempted restart and emergency procedures, but they were unsuccessful.
Forced Landing
The pilot executed a forced landing in a farm field. During the landing roll, the airplane nosed over.
Post-Accident Examination
A post-accident examination found no evidence of pre-impact mechanical malfunction.
Weather Conditions
The weather conditions at the time were conducive to serious induction system icing at cruise power settings.
What happened in the 14 Mar 1992 Cessna 177B accident near Olney, IL?
An airplane in cruise flight at 4,000 feet MSL in instrument meteorological conditions and heavy snow experienced an engine power loss. Restart and emergency procedures were unsuccessful, leading to a forced landing in a farm field. The airplane nosed over during the landing roll.
What aircraft was involved and where did it happen?
The accident on 14 Mar 1992 involved a Cessna 177B, registration N1271C, operated by Jet Air, Inc., at Olney, IL.
What was the probable cause of the accident?
THE PILOT'S FAILURE TO SELECT CARBURETOR HEAT IN A TIMELY MANNER, AND THE TOTAL LOSS OF ENGINE POWER DUE TO CARBURETOR ICE. RELATED FACTORS ARE CARBURETOR ICING CONDITIONS, REDUCED VISIBILITIES IN SNOW, LOW CEILINGS, THE DARK NIGHT, AND SOFT TERRAIN CONDITIONS.
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