TANS Perú, an acronym for Transportes Aéreos Nacionales de Selva, was a Peruvian airline based in Lima. The airline was headquartered at the Miraflores District in the capital city of the country. Completely state-owned, the carrier operated scheduled domestic passenger and cargo services from its main base at Jorge Chávez International Airport.

TANS (also known as Grupo Aéreo de Transporte 42 was established in 1963 as an arm of the Peruvian Air Force, based at the remote city of Iquitos, inaccessible by road, and tasked with providing scheduled airline flights, together with fulfilling search and rescue and medevac needs. In 1988, its fleet consisted of a mixture of Pilatus PC-6 Porters and de Havilland Canada DHC-6 Twin Otters, mainly operating as floatplanes. Although its missions were mainly civilian, it remained part of the Air Force until 1999, being granted civil certification in November 1999.

At March 2000 (2000-03), the fleet included three Boeing 737-200s, seven de Havilland DHC-6 Twin Otter Series 300, one Fokker F-28 Mk1000 and five HAMC Y-12-IIs; at this time, services to Arequipa, Chiclayo, Cuzco, Iquitos, Juanjuí, Juliaca, Lima, Piura, Pucallpa, Rioja, Trujillo and Yurimaguas were operated. In January 2006 (2006-01) the airline's license was suspended by the Peruvian Government.

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