Narrative:

While conducting power off stall demonstration could not regain power. Put boost pump on, switched fuel tanks, checked magnetos. Could not regain power. Landed in pasture, went through 2 fences. Later investigation by FAA found air filter appeared to block air duct. Could not have been detected on preflight.

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Original NASA ASRS Text

Title: BE23 PLT HAD ENG FAILURE AND A FORCED, OFF ARPT, LNDG.

Narrative: WHILE CONDUCTING PWR OFF STALL DEMONSTRATION COULD NOT REGAIN PWR. PUT BOOST PUMP ON, SWITCHED FUEL TANKS, CHKED MAGNETOS. COULD NOT REGAIN PWR. LANDED IN PASTURE, WENT THROUGH 2 FENCES. LATER INVESTIGATION BY FAA FOUND AIR FILTER APPEARED TO BLOCK AIR DUCT. COULD NOT HAVE BEEN DETECTED ON PREFLT.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.