The Allison Model 501 industrial gas turbine engine has been used extensively as a prime mover for industrial applications. The areas of application to date have been in the driving of electrical generators and natural gas compressors. This paper describes a 3000-hr durability test of a modified Allison Model 501-K15 engine with saltwater ingestion, 100 F engine inlet air temperature, and operating on Navy distillate fuel. The purpose of the test was to verify that the engine was qualified for marine environmental applications. Performance data, photographs of the installation and engine components, and inspection results are included in this paper.

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