Trenton-Mercer Airport Based Aircraft

Last updated May 27, 2026

Trenton-Mercer Airport (TTN/KTTN) in Ewing Township, NJ is the third busiest airport in the state, based on daily aircraft operations. The airport has seen a number of airlines throughout the years, including Allegheny, United, USAir Express, Eastwind Airlines, Shuttle America, Boston-Maine Airways (Pan Am Clipper Connection), Comair (Delta Connection) and Streamline Airlines. As of 2026, the airport is served by Frontier Airlines, Allegiant and American Airlines (operated by Landline bus service to and from Philadelphia). Trenton-Mercer also has a significant amount of general aviation traffic, between the Infinity Flight Group flight school and transient traffic to Trenton's two fixed-base operators (FBO), Signature Aviation and FlightServ. Finally, the airport is the home base for the Merck, Pfizer and Johnson & Johnson aviation wings. See some photos of the aircraft based at Trenton-Mercer Airport, along with frequent visitors, below.