The U.S. Army Contracting Command-Redstone Arsenal is conducting market research for inspection and overhaul of the UH-60 GENERATOR APU, AIRCR (NSN 1680-01-480-6542, P/N 70550-85901-104). The contemplated contract would be a single-award, firm-fixed-price, five-year indefinite-delivery/indefinite-quantity vehicle with a min/max of 14/89 and quantities of 74 U.S. and 15 FMS. Contractors must provide all services, facilities, labor, parts, materials, equipment, tools, and data to return the items to condition code A and package/ship them to required destinations. The item is non-critical safety, no DMWR is available, and known sources are Sikorsky Aircraft Corp, Sherwood Aviation, and Honeywell International Inc. The applicable NAICS code is 336413 with a 1,000 small-business size standard, and respondents must demonstrate capability, including a plan for special tooling/test equipment via possession, confirmed requisitions, subcontracting, or equivalent-tool development.