Narrative:

During cruise portion of [flight]; the helicopter began to lose power. Manifold pressure climbed; rpms climbed and oil temperature climbed into the red. I decided to divert to [a suitable alternate] to avoid a possible engine failure and possible emergency landing where a mechanic could diagnose the problem (still ongoing).

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Original NASA ASRS Text

Title: Robinson R44 pilot reported he diverted to an alternate airport for a precautionary landing when he began to lose power.

Narrative: During cruise portion of [flight]; the helicopter began to lose power. Manifold pressure climbed; RPMs climbed and oil temperature climbed into the red. I decided to divert to [a suitable alternate] to avoid a possible engine failure and possible emergency landing where a mechanic could diagnose the problem (still ongoing).

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.