Trenton–Mercer Airport is a county-owned, joint civil–military, public airport located four miles northwest of Trenton in the West Trenton section of Ewing Township, Mercer County, New Jersey. Formerly known as Mercer County Airport, the airport serves two scheduled airlines plus general and corporate aviation. The US Department of Transportation reports that approximately 399,000 passengers departed and 395,000 arrived at the airport between June 2014 and May 2015, a total of 794,000 passengers.Trenton–Mercer is the third busiest airport in New Jersey with an average of 236 aircraft operations per day (after Newark's 1161 per day, Teterboro's 485 per day and over fourth place's Atlantic City's 193 per day).Federal Aviation Administration records say the airport had 24,634 passenger boardings (enplanements) in calendar year 2007, 974 enplanements in 2008, 561 in 2009, 853 in 2010, 3,414 in 2011, 6,459 in 2012, 148,256 in 2013, and 377,961 in 2014. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a non-hub primary commercial service facility.
