NASA Ames Research Center requires commercial aviation services for the Snow4Flow Arctic mission, involving the provision, modification, and operation of a Basler BT-67 aircraft for science flights across Alaska, Canada, Svalbard, Greenland, and the Canadian High Arctic from 2027 through 2029. The contract will be a single firm-fixed-price IDIQ with a five-year ordering period and a six-month option to extend services. The first task order covers instrument integration and the start of the 2027 Alaska campaign, with a performance period from February 23 to March 2, 2027. NASA intends to award this as a sole source contract to Enterprise Aviation Group of Oshawa, Ontario, Canada, citing unique aircraft requirements and availability. No budget amount is specified, and the location for performance includes the remote Arctic regions listed.