Switched tanks on low downwind. Lost engine power. Emergency landing in field.

Attributes
ACN	146601
Time
Date	199005
Day	Sat
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : 1h0
State Reference	MO
Altitude	agl bound lower : 0 agl bound upper : 50
Aircraft 1
Operator	general aviation : corporate
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	descent : approach landing other other
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 150 flight time total : 10000 flight time type : 30
ASRS Report	146601
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	Aircraft

Narrative:

On low downwind leg switched fuel tanks. After approximately 20 seconds engine ran erratically. Aircraft settled in wheat field and due to high water and mud. Aircraft gently flipped on back and sustained minor damage. Found water in fuel bowl. No injuries.

Original NASA ASRS Text

Title: SWITCHED TANKS ON LOW DOWNWIND. LOST ENGINE POWER. EMERGENCY LNDG IN FIELD.

Narrative: ON LOW DOWNWIND LEG SWITCHED FUEL TANKS. AFTER APPROX 20 SECS ENG RAN ERRATICALLY. ACFT SETTLED IN WHEAT FIELD AND DUE TO HIGH WATER AND MUD. ACFT GENTLY FLIPPED ON BACK AND SUSTAINED MINOR DAMAGE. FOUND WATER IN FUEL BOWL. NO INJURIES.

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.