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San Manuel Ray Blair Airport (E77) is a small public-use general aviation field in Pinal County, Arizona, set in the San Pedro River valley a short distance from the town of San Manuel. It offers a single hard-surface runway and a desert setting beneath the Galiuro Mountains, making it a straightforward VFR destination for pilots exploring southern Arizona's mining country.
San Manuel Ray Blair Airport, identified as E77, is a public-use general aviation airfield serving the small former copper-mining town of San Manuel in Pinal County, Arizona. It sits in open desert country roughly 45 miles northeast of Tucson, offering visiting pilots an uncomplicated single-runway field surrounded by classic Sonoran Desert scenery of saguaro cactus and distant mountain ranges.
The airfield lies in the San Pedro River valley, about 2 miles northwest of the town of San Manuel, Arizona, and roughly 45 miles northeast of Tucson. The surrounding area is rural desert terrain, with the towns of Oracle and Mammoth nearby forming a small tri-community area with San Manuel.
E77 has a single physical runway, 11/29, with a hard surface measuring 4205 feet in length. There is no ILS approach available at the field. Field elevation is 3258 feet.
The airfield is set within the San Pedro River valley, with the Galiuro Mountains providing a prominent backdrop to the east. The surrounding Sonoran Desert landscape, dotted with saguaro cactus, and the nearby towns of San Manuel, Oracle and Mammoth serve as useful visual landmarks when approaching the field.
San Manuel itself was built in 1953 by the Del E. Webb Construction Company as a company town to support the newly developed San Manuel copper mine, mill and smelter complex. The mine and smelter operated for decades before closing permanently in the early 2000s following the collapse of copper prices in the late 1990s, which cost the community around 2,500 jobs. The airfield, known locally as San Manuel Ray Blair Airport, served this mining community through its industrial era.
E77 remains a public-use airport serving the San Manuel area, which today has shifted from its mining origins toward outdoor recreation, off-road adventure and tourism, including hunting, sightseeing and access to the Arizona Trail. No current operating hours, fuel availability or facility details are given in available sources.
