Oakland County (MI) International Airport is the 3rd busiest airport in Michigan.

It is a designated general aviation reliever airport serving individuals, businesses, and industries in Oakland County, the State of Michigan and the nation.

OCIA is ranked as the world's twelfth busiest general aviation airport in the nation with an average of approximately 142,000 takeoffs and landings annually. More than 150 corporations base aircraft at OCIA, many with several aircraft. Over 650 aircraft are based at the airport, and their value is in excess of $500 million. The facility is self-supporting. Open 24 hours a day

The feed is a scan of the two primary Tower frequencies, 120.500 and 123.700 mHz AM.