<< >> NASA ASRS Report 585616, June 2003

Pilot of Z526 experienced power loss and landed in a field. On board a&P determined cause as being temporary. Flew aircraft on maintenance ferry to airport for further evaluation.

Attributes
ACN	585616
Time
Date	200306
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : cxu.airport
State Reference	GA
Altitude	msl single value : 2500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	descent : intermediate altitude descent : approach
Route In Use	approach : visual
Flight Plan	None
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : atp
Experience	flight time last 90 days : 25 flight time total : 18000 flight time type : 150
ASRS Report	585616
Person 2
Affiliation	other
Function	maintenance : technician observation : passenger
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : landed in emergency condition
Consequence	other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

Descending from 9500 ft into cxu for trip to lal, engine began running very rough and experienced partial power loss. Made precautionary landing in a field 3 mi north of cxu. 25 liters of fuel was in wing tanks, but fuel bowl only was 1/2 full. Traveling with a&P mechanic. Suspect vapor lock during descent in 85 degree WX. Restarted 1 hour later and engine ran fine. Did a full power ground run and checked ok. Received permission from farmer to take off out of field. Flew 3 mi south to cxu and left the aircraft there pending further evaluation. Should have stayed higher on descent to cxu. If, I had planned to arrive over airport at 2000 ft instead of tpa, I would have made the airport with the power loss. Will now arrive over intended landing airports in high key position and spiral down to pattern altitude.

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Original NASA ASRS Text

Title: PLT OF Z526 EXPERIENCED PWR LOSS AND LANDED IN A FIELD. ON BOARD A&P DETERMINED CAUSE AS BEING TEMPORARY. FLEW ACFT ON MAINT FERRY TO ARPT FOR FURTHER EVALUATION.

Narrative: DSNDING FROM 9500 FT INTO CXU FOR TRIP TO LAL, ENG BEGAN RUNNING VERY ROUGH AND EXPERIENCED PARTIAL PWR LOSS. MADE PRECAUTIONARY LNDG IN A FIELD 3 MI N OF CXU. 25 LITERS OF FUEL WAS IN WING TANKS, BUT FUEL BOWL ONLY WAS 1/2 FULL. TRAVELING WITH A&P MECH. SUSPECT VAPOR LOCK DURING DSCNT IN 85 DEG WX. RESTARTED 1 HR LATER AND ENG RAN FINE. DID A FULL PWR GND RUN AND CHKED OK. RECEIVED PERMISSION FROM FARMER TO TAKE OFF OUT OF FIELD. FLEW 3 MI S TO CXU AND LEFT THE ACFT THERE PENDING FURTHER EVALUATION. SHOULD HAVE STAYED HIGHER ON DSCNT TO CXU. IF, I HAD PLANNED TO ARRIVE OVER ARPT AT 2000 FT INSTEAD OF TPA, I WOULD HAVE MADE THE ARPT WITH THE PWR LOSS. WILL NOW ARRIVE OVER INTENDED LNDG ARPTS IN HIGH KEY POS AND SPIRAL DOWN TO PATTERN ALT.

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.