Fazenda Terra Prometida Airport is a small private aerodrome located near Porto Nacional in the state of Tocantins, Brazil. It operates under the ICAO designator SDNT and is registered with Brazil's National Civil Aviation Authority (ANAC) as a private airstrip primarily serving agricultural and estate purposes. The facility is typical of fazenda (farm or estate) airstrips found throughout Brazil's interior, designed to support light aircraft operations for landowners, agricultural management, and logistical access to remote rural properties. It does not serve scheduled commercial passenger services.