Narrative:

During takeoff after reaching 2000 ft on top of the field I began to notice the right engine was surging. At first I thought it might be the turbulence just rocking the aircraft making the props make a little noise but the surging began to become worse and I quickly turned back to [the airport] and called on unicom that I was returning to the field and had an emergency. I elected to shut the engine down as the surging was making it difficult to control especially with the turbulence coming off the mountains. Before I shut it down I noticed the right engine was at 300 pph. I quickly pulled out the QRH and joined the downwind and performed the items inside the QRH. The aircraft was able to hold altitude and we landed safely without further incident. During run up and takeoff the aircraft indications were normal.

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Original NASA ASRS Text

Title: Cessna 402C pilot reported returning to departure airport after shutting down the right engine due to surging.

Narrative: During takeoff after reaching 2000 ft on top of the field I began to notice the right engine was surging. At first I thought it might be the turbulence just rocking the aircraft making the props make a little noise but the surging began to become worse and I quickly turned back to [the airport] and called on UNICOM that I was returning to the field and had an emergency. I elected to shut the engine down as the surging was making it difficult to control especially with the turbulence coming off the mountains. Before I shut it down I noticed the right engine was at 300 pph. I quickly pulled out the QRH and joined the downwind and performed the items inside the QRH. The aircraft was able to hold altitude and we landed safely without further incident. During run up and takeoff the aircraft indications were normal.

Data retrieved from NASA's ASRS site 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.