Fazenda Campo Verde Airstrip (ICAO: SI3Z) is a small private airstrip located in the municipality of Mucajaí, in the state of Roraima, northern Brazil. It serves the agricultural operations of the Fazenda Campo Verde farm estate, providing essential air access to an area where road infrastructure can be limited. The airstrip is typical of private farm strips found across Brazil's interior, primarily facilitating light aircraft movements for agricultural management, supply, and personnel transport. It is not open to commercial scheduled air services.