Instructor with spi has actual forced landing while practicing emergency lndgs.

Attributes
ACN	272474
Time
Date	199405
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : d22
State Reference	NY
Altitude	agl bound lower : 0 agl bound upper : 600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Cessna 150
Operating Under FAR Part	Part 91
Flight Phase	cruise other other other
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor
Qualification	pilot : instrument pilot : cfi
Experience	flight time last 90 days : 24 flight time total : 430 flight time type : 125
ASRS Report	272474
Person 2
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : student
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

A student and I departed D22 in a C-150 for a local training flight. I helped my student preflight by checking our fuel level. I determined it to be sufficient for our flight. About an hour and 1/10 we were practicing emergency engine out procedures. I had the carburetor heat on and power back to idle for this procedure. After we picked out a field to land and we would have been able to land, I put the carburetor heat in and advanced the throttle to full. At that time, the engine started to gasp and cough. I had full power at times, then the engine started coughing. Then go to full power. We were already low from doing the practice emergency procedure when I realized we had a real emergency. There was a grass field, I guess about 1500 ft long, where I was able to land the airplane. The student, myself, and the airplane were fine with no physical or mechanical problems. I think at the the time when it started coughing, we were about 600-700 ft AGL. The WX was sunny with haze, flight visibility about 7 mi. As I went to pitch up after completing the training emergency procedure, the lack of gas in the 1 wing caused the engine to start coughing. I have been a CFI for 3 yrs, cfii for 4 weeks, and am an flight engineer on the C-130 in the air force reserves.

Original NASA ASRS Text

Title: INSTRUCTOR WITH SPI HAS ACTUAL FORCED LNDG WHILE PRACTICING EMER LNDGS.

Narrative: A STUDENT AND I DEPARTED D22 IN A C-150 FOR A LCL TRAINING FLT. I HELPED MY STUDENT PREFLT BY CHKING OUR FUEL LEVEL. I DETERMINED IT TO BE SUFFICIENT FOR OUR FLT. ABOUT AN HR AND 1/10 WE WERE PRACTICING EMER ENG OUT PROCS. I HAD THE CARB HEAT ON AND PWR BACK TO IDLE FOR THIS PROC. AFTER WE PICKED OUT A FIELD TO LAND AND WE WOULD HAVE BEEN ABLE TO LAND, I PUT THE CARB HEAT IN AND ADVANCED THE THROTTLE TO FULL. AT THAT TIME, THE ENG STARTED TO GASP AND COUGH. I HAD FULL PWR AT TIMES, THEN THE ENG STARTED COUGHING. THEN GO TO FULL PWR. WE WERE ALREADY LOW FROM DOING THE PRACTICE EMER PROC WHEN I REALIZED WE HAD A REAL EMER. THERE WAS A GRASS FIELD, I GUESS ABOUT 1500 FT LONG, WHERE I WAS ABLE TO LAND THE AIRPLANE. THE STUDENT, MYSELF, AND THE AIRPLANE WERE FINE WITH NO PHYSICAL OR MECHANICAL PROBS. I THINK AT THE THE TIME WHEN IT STARTED COUGHING, WE WERE ABOUT 600-700 FT AGL. THE WX WAS SUNNY WITH HAZE, FLT VISIBILITY ABOUT 7 MI. AS I WENT TO PITCH UP AFTER COMPLETING THE TRAINING EMER PROC, THE LACK OF GAS IN THE 1 WING CAUSED THE ENG TO START COUGHING. I HAVE BEEN A CFI FOR 3 YRS, CFII FOR 4 WKS, AND AM AN FE ON THE C-130 IN THE AIR FORCE RESERVES.

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.