Specialized Aviation Service Operation

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Specialized Aviation Service Operations (SASO) are defined by the Federal Aviation Administration as single-service providers or special fixed-base operators performing less than full services. These types of companies differ from a full-service FBO in that they typically offer only a specialized aeronautical service such as aircraft sales, flight training, aircraft maintenance, or avionics services for example.[1]

Examples of SASOs are companies that provide aircraft technical services; avionics repair and installation; reciprocating engine repair and overhaul; turbine engine hot section and overhaul; aircraft component and accessory overhaul; standalone flight schools; specialized vendors of pilots supplies; aircraft detailing and cleaning services; and aircraft in-flight catering services. An ARGI survey completed in April 2009 put the number of U.S. businesses meeting the minimum criteria for a SASO at 667. Since no previous census of the number of SASOs has been conducted, 2009 represents the baseline for the annual ARGI SASO census.[2]


  1. ^ U.S. Department of Transportation, Federal Aviation Administration, "Advisory Circular 150/5190-7: Minimum Standards for Commercial Aeronautical Activities", 28 August 2006, p. 14.
  2. ^ General Aviation in the United States: A Fact Book on General Aviation and Aviation Service Businesses National Air Transportation Association, 2009