C150 instructor pilot experiences engine failure at 2;000 ft and lands safely in a corn field.

Attributes
ACN	1140015
Time
Date	201401
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Cessna 150
Operating Under FAR Part	Part 91
Flight Phase	Cruise
Route In Use	Visual Approach
Flight Plan	None
Component
Aircraft Component	Reciprocating Engine Assembly
Person 1
Function	Instructor Pilot Flying
Qualification	Flight Crew Commercial Flight Crew Flight Instructor
Experience	Flight Crew Last 90 Days 20.6 Flight Crew Total 270 Flight Crew Type 6.5
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy

Narrative:

Conducting a training flight with student; aircraft was airworthy and up to date on maintenance. All licenses are current. Pre-flight and engine run-up check ok. Performed practice in west practice area for approximately 1 hour at an altitude in accordance with far 91.119. Engine roughness enroute from west practice area back to home base airport 2;000 RPM at full throttle. All systems operating normal; loss of engine power was only indication. 0 FPM climb; level 2;000 MSL; 80 knots IAS. Carburetor heat on; engine roughness followed by engine failure. Engine failure emergency checklist procedures followed; restart of engine unsuccessful. In communication with approach; declared emergency; squawked 7770; instead of 7700. Aircraft secured for landing; fuel valve off; mixture full lean; throttle closed; [and] ignition off. Landed in cornfield with no damage to aircraft; persons; or property.

Original NASA ASRS Text

Title: C150 instructor pilot experiences engine failure at 2;000 FT and lands safely in a corn field.

Narrative: Conducting a training flight with student; aircraft was airworthy and up to date on maintenance. All licenses are current. Pre-flight and engine run-up check OK. Performed practice in west practice area for approximately 1 hour at an altitude in accordance with FAR 91.119. Engine roughness enroute from west practice area back to home base airport 2;000 RPM at full throttle. All systems operating normal; loss of engine power was only indication. 0 FPM climb; level 2;000 MSL; 80 knots IAS. Carburetor heat ON; engine roughness followed by engine failure. Engine Failure Emergency Checklist procedures followed; restart of engine unsuccessful. In communication with Approach; declared emergency; squawked 7770; instead of 7700. Aircraft secured for landing; fuel valve OFF; mixture full lean; throttle closed; [and] ignition OFF. Landed in cornfield with no damage to aircraft; persons; or property.

Data retrieved from NASA's ASRS site 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.