A C150 pilot declared an emergency and diverted after his engine lost power at cruise but power reco...

Attributes
ACN	1002155
Time
Date	201203
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	Fuel System
Person 1
Function	Single Pilot
Qualification	Flight Crew Private
Experience	Flight Crew Last 90 Days 7.9 Flight Crew Total 341 Flight Crew Type 225
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

While at 4;500 ft cruise; heading north northwest; using approach radar services; engine began cutting in and out. Normal emergency checks failed to solve problem. After about 45 seconds; contacted approach and advised of problem. They directed me to turn north to a nearby airport and continue reporting. Continued to lose altitude; advised approach I could go into lake and not make that airport. At approximately 2;000 ft engine regained power. [I] was able to make safe landing; so advised approach. At the airport; local mechanic examined plane and determined I must have had some water in the system. Fuel system; checked clear and numerous run-ups showed no issues.

Original NASA ASRS Text

Title: A C150 pilot declared an emergency and diverted after his engine lost power at cruise but power recovered during descent. A Mechanic believed water in the fuel was the problem.

Narrative: While at 4;500 FT cruise; heading north northwest; using Approach radar services; engine began cutting in and out. Normal emergency checks failed to solve problem. After about 45 seconds; contacted Approach and advised of problem. They directed me to turn north to a nearby airport and continue reporting. Continued to lose altitude; advised Approach I could go into lake and not make that airport. At approximately 2;000 FT engine regained power. [I] was able to make safe landing; so advised Approach. At the airport; Local Mechanic examined plane and determined I must have had some water in the system. Fuel system; checked clear and numerous run-ups showed no issues.

Data retrieved from NASA's ASRS site as of July 2013 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.

A C150 pilot declared an emergency and diverted after his engine lost power at cruise but power recovered during descent. A mechanic believed water in the fuel was the problem.