Narrative:

[I was] enroute at 6;000 ft engine suddenly developed problem resulting in substantial loss of power. Declared an emergency with center and reported airport in sight and began descent. Center cleared me to land at the airport and I spiraled down; contacted tower and landed successfully. As instructed; taxied in following emergency vehicles to FBO and sought repair. As of this writing; repair not yet completed. Aircraft will be thoroughly evaluated prior to return to service.

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Original NASA ASRS Text

Title: M20 pilot experienced a substantial power loss at 6;000 FT and diverted to the nearest suitable airport after declaring an emergency with ATC. Engine continues to run throughout the approach and landing.

Narrative: [I was] enroute at 6;000 FT engine suddenly developed problem resulting in substantial loss of power. Declared an emergency with Center and reported airport in sight and began descent. Center cleared me to land at the airport and I spiraled down; contacted Tower and landed successfully. As instructed; taxied in following emergency vehicles to FBO and sought repair. As of this writing; repair not yet completed. Aircraft will be thoroughly evaluated prior to return to service.

Data retrieved from NASA's ASRS site as of April 2012 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.