Trenton–Mercer Airport

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Trenton–Mercer Airport
Trenton-Mercer Terminal.jpg
Airport typePublic
OwnerCounty of Mercer
OperatorMercer County Dept. of Transportation and Infrastructure
LocationEwing Township, New Jersey
Focus city forFrontier Airlines[1]
Elevation AMSL212 ft / 65 m
Coordinates40°16′36″N 074°48′48″W / 40.27667°N 74.81333°W / 40.27667; -74.81333Coordinates: 40°16′36″N 074°48′48″W / 40.27667°N 74.81333°W / 40.27667; -74.81333
WebsiteOfficial website
FAA airport diagram
FAA airport diagram
TTN is located in Mercer County, New Jersey
Location in Mercer County
TTN is located in New Jersey
TTN (New Jersey)
TTN is located in the United States
TTN (the United States)
Direction Length Surface
ft m
06/24 6,006 1,831 Asphalt
16/34 4,800 1,463 Asphalt
Number Length Surface
ft m
H1 64 20 Asphalt
H2 64 20 Asphalt
H3 64 20 Asphalt
Aircraft operations (2019)112,513
Based aircraft (2020)153
Total passengers served (12 months ending March 2020)917,000
Scheduled flights5,880

Trenton–Mercer Airport (IATA: TTN[4], ICAO: KTTN, FAA LID: TTN) 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, United States.[2] Formerly known as Mercer County Airport, the airport serves one scheduled airline plus general and corporate aviation. The U.S. Department of Transportation reports that approximately 201,000 passengers departed and 200,000 arrived at the airport in the 12 months ending October 2021, for a total of 401,000 passengers.[3]

Trenton–Mercer is the third busiest airport in New Jersey with an average of 308 aircraft operations per day (after Newark's 1228 per day, Teterboro's 477 per day and over fourth place's Atlantic City's 152 per day).[5][6][7][8] As of May 2018, Trenton was the fifth fastest growing airport in the US.[9]

It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2019–2023, in which it is categorized as a non-hub primary commercial service facility.[10]


The first airplane landed at what is now Trenton–Mercer Airport in 1907, in what was then Alfred Reeder's farm field, just off of Bear Tavern Road in Ewing. Twenty-two years later in 1929 Skillman Airport opened to the public.

During World War II the nearby General Motors Inland Fisher Guide Plant ceased producing civilian vehicles and began making Grumman TBF Avenger carrier-based torpedo bombers for the United States Navy. Skillman Airport expanded to accommodate test flights of this aircraft, and after the airport returned to county control following the end of the war it was renamed Mercer County Airport.[note 1] After the war, the navy reestablished a presence with the construction of Naval Air Warfare Center Trenton adjacent to the airport, which remained open until 1997.[note 2]

Airport Air Traffic Control operations based in the control tower were 6 AM to Midnight during the 1980s and early 1990s. Since January 1994, tower operations have been shortened to 6 AM to 10 PM.

In 1995 the airport's name was changed to Trenton–Mercer Airport in an effort to identify it with the city of Trenton (the capital of New Jersey and county seat of Mercer County).

On March 11, 1998, an NWS/FAA automated surface observing system (ASOS) became operational at the airport, replacing the human weather observers that had previously reported weather conditions.

For many years the county has planned to replace the outdated terminal at the airport. These plans have been opposed by residents along the flight path living in Ewing, Lawrence, Hopewell, and Pennington. Opposition has also been expressed in Pennsylvania among residents living along the flight path in Yardley and Lower Makefield.

In 1994 as a cost-cutting measure, the Mercer County Airport Police and Fire Department was disbanded and replaced by the Mercer County Sheriff's Office (police) and ProTec Fire Services (Aircraft Fire Rescue).

Aerial view of the airport from the west
Sign at the main airport entrance

Ground transportation[edit]

Enterprise Rent-A-Car counter

Mercer County has a variety of taxi cab companies that operate from the Trenton Transit Center, which services the Northeast Corridor via Amtrak, New Jersey Transit and SEPTA railroads.[11]

NJ Transit Route 608 bus stops on Sam Weinroth Road near the terminal for travel to SEPTA'S West Trenton station for connections to SEPTA's West Trenton Line to Center City Philadelphia, Trenton Transit Center for connections to Amtrak, NJ Transit's Northeast Corridor Line to Newark/New York, River Line to Camden, SEPTA's Trenton Line to Center City Philadelphia, other NJ Transit bus routes to points in Mercer County, South Jersey, and Philadelphia, and SEPTA Suburban Bus Route 127 to Oxford Valley Mall in Langhorne, PA, and Hamilton station for connections to NJ Transit's Northeast Corridor Line to Newark/New York. Fare is $1.60 one way for adults, and operates daily.

Facilities and aircraft[edit]

SkyLounge bar
Frontier Airlines Airbus A319 boarding at the airport
Check-in counter
Gate 1
Baggage claim

Trenton–Mercer Airport covers 1,345 acres (544 ha) at an elevation of 212 feet (65 m) above mean sea level. It has two asphalt runways: 6/24 is 6,006 by 150 feet (1,831 x 46 m) and 16/34 is 4,800 by 150 feet (1,463 x 46 m). The airport has three helipads, H1, H2, and H3, each 64 by 64 feet (20 x 20 m).[2][12] To meet FAA requirements that certain runways be equipped with an EMAS bed before the end of 2013, the airport installed EMAS beds at both ends of runway 16/34 in 2012; officials announced plans in early 2013 to close runway 6/24 for two months that fall to install an EMAS bed at both ends.[13]

For the 12-month period ending April 2, 2019, the airport had 112,513 aircraft operations, an average of 308 per day: 92% general aviation, 4% commercial, 4% air taxi, and <1% military. In May 2020, there were 153 aircraft based at this airport: 86 single-engine, 21 multi-engine, 29 jet, and 17 helicopter.[2]

Trenton–Mercer Airport is home to multiple flight schools including Infinity Flight Group,[14] Mercer County Community College, and an ATP Flight School location.[15]

Military facilities and aircraft[edit]

The airport is home to Army Aviation Support Facility #2 and the 1st Battalion, 150th Aviation Regiment, otherwise known as the 1-150th General Support Aviation Battalion of the New Jersey Army National Guard. Equipped with UH-60 Blackhawk helicopters, the battalion provides ground force commanders of the 42nd Infantry Division (Mechanized) with additional air assault, transportation, re-supply, and command and control assets. In its state role under Title 32 United States Code, the unit also provides emergency logistical support in response to disasters or any other emergency support as may be directed by the Governor of New Jersey.[16]

The airport is also home to the Twin Pine Composite Squadron (NER-NJ-092) of the New Jersey Wing of the Civil Air Patrol.[17]

Terminal and future developments[edit]

Trenton–Mercer Airport has one terminal with four gates. Gate 2 is divided into 3 sub-gates labeled Gates 2–4. On the upper level of the terminal (before security) is an observation lounge as well as a restaurant, Sky Lounge at Ewing, serving pub food. Sky Lounge has another location past security near Gate 1 that serves drinks and pre-packaged sandwiches and wraps. Parking is $2 per hour and $8 per day.

On November 8, 2013, Mercer County opened a renovated terminal, including a new modular trailer baggage claim outside the terminal, restrooms in the gate area (there were previously no restrooms past security), and—in the area originally occupied by the baggage claim—additional passenger seating and a new gate.[18]

In August 2014, the airport was awarded $2.2 million to rehabilitate 3 taxiways. A spokesperson for the county said that this was the first phase of a three-year plan to make further improvements.[19]

In a study commissioned by the county released in 2013, a new passenger terminal, a corporate office park, medical offices and laboratories, and commercial space would be part of a plan to develop available land at the airport.[20] On September 29, 2016, Mercer County in conjunction with firms Urban Engineers and McFarland Johnson held a public meeting at the nearby West Trenton Ballroom meeting hall. Several aspects of the proposed master plan for the airport were revealed. Plans call for a new terminal sized at 115,000–125,000 square feet. The current terminal is 24,780 square feet. The rental car area will house up to five rental car agencies and with concession, restrooms and gate area expanding to four times the current area.[21]

In 2021 Mercer County released a draft environmental assessment for public comment revealing the final plans for the terminal which will be 125,000 square feet and includes a 1,000-space four-level parking garage which would bring available parking to approximately 2900 spaces.[22]

In March 2022, the FAA issued its approval for the project. The estimated completion date of the terminal and parking garage is mid-to-late 2024[23]

Airline and destinations[edit]

Frontier Airlines Atlanta, Charlotte, Chicago–Midway,[24] Fort Lauderdale,[25] Fort Myers, Orlando, Raleigh/Durham, Tampa, West Palm Beach


Top destinations[edit]

Busiest domestic routes from TTN
(June 2021 – May 2022)
Rank City Passengers Carriers
1 Orlando, Florida 93,320 Frontier
2 West Palm Beach, Florida 58,520 Frontier
3 Atlanta, Georgia 44,570 Frontier
4 Tampa, Florida 28,870 Frontier
5 Fort Myers, Florida 27,640 Frontier
6 Charlotte, North Carolina 20,940 Frontier
7 Raleigh/Durham, North Carolina 17,030 Frontier
8 Fort Lauderdale, Florida 14,920 Frontier
9 Chicago–O'Hare, Illinois 11,350 Frontier
10 Myrtle Beach, South Carolina 5,790 Frontier

Carrier shares[edit]

Carrier shares (June 2021 – May 2022)[3]
Rank Carrier Passengers % of market
1 Frontier 676,000 100.00%

Former scheduled airline service[edit]


  1. ^ "History of Ewing". Township of Ewing. Archived from the original on February 6, 2015. Retrieved February 26, 2015. World War II During World War II, factories in the area devoted themselves wholeheartedly to the war effort. General Motors became Eastern Aircraft, and made a critical contribution to the war effort through the production of the Navy Avenger Torpedo Bomber. Assemblies from other plants on the East Coast were transported via the Reading Railroad to the Ewing plant, where they joined Ewing-fabricated sections in final assembly. Bombers off the line were sent to the Skillman (now Trenton–Mercer) airport, where they were tested before delivery to the Navy.
  2. ^ Former Naval Air Warfare Center Trenton, United States Navy. Retrieved October 28, 2014. "The former Naval Air Warfare Center (NAWC) Trenton is located in Ewing Township, New Jersey. The property is bordered to the north and west by Mercer County Airport, to the south by Parkway Avenue, and to the east by a railroad line. The property consists of approximately 528 acres of improved and unimproved land. The NAWC was operated by the U.S. Navy from 1951 until 1997 as a jet engine test facility."



  1. ^ "Frontier Airlines' shifting market strategy avoids competition". The Denver Post. January 30, 2013.
  2. ^ a b c d FAA Airport Form 5010 for TTN PDF. Federal Aviation Administration. effective May 21, 2020.
  3. ^ a b c d "RITA BTS Transtats – TTN". March 2020. Retrieved June 14, 2020.
  4. ^ "IATA Airport Code Search (TTN: Trenton–Mercer)". International Air Transport Association. Retrieved October 25, 2013.
  5. ^ "AirNav: KTTN – Trenton Mercer Airport". Retrieved June 3, 2015.
  6. ^ "AirNav: KEWR – Newark Liberty International Airport". Retrieved June 3, 2015.
  7. ^ "AirNav: KTEB – Teterboro Airport". Retrieved June 3, 2015.
  8. ^ "AirNav: KACY – Atlantic City International Airport". Retrieved June 3, 2015.
  9. ^ "These Are America's Fastest-Growing Airports". Bloomberg L.P. Retrieved July 4, 2018.
  10. ^ "NPIAS Report 2019-2023 Appendix A" (PDF). Federal Aviation Administration. October 3, 2018. p. 69. Retrieved May 15, 2020.
  11. ^ "Trenton–Mercer Airport, Transportation". Retrieved January 14, 2013.
  12. ^ "TTN airport data at". Retrieved September 14, 2022.
  13. ^ Pizzi, Jenna (March 30, 2013). "Frontier Airlines will suspend flights at Trenton–Mercer Airport this fall for runway work". The Times of Trenton. Trenton, NJ.
  14. ^ "Infinity Flight Group: Trenton, NJ: Aviation School, Flight Training & Lessons Pennsylvania & New Jersey". Trenton, NJ: Infinity Flight Group. Retrieved June 3, 2015.
  15. ^ ATP Flight School. "ATP Flight School: Airline Pilot Training & Pilot Career Development". Retrieved June 3, 2015.
  16. ^ "New Jersey Army National Guard". Retrieved June 3, 2015.
  17. ^ Civil Air Patrol (June 3, 2015). "ABOUT TWIN PINE". TWIN PINE COMPOSITE SQUADRON. Civil Air Patrol. Retrieved June 14, 2020.
  18. ^ "Trenton–Mercer Airport celebrates opening of renovated terminal". November 8, 2013. Retrieved November 8, 2013.
  19. ^ "Taxiway improvements on way for Trenton–Mercer Airport". The Star-Ledger. August 15, 2014. Retrieved June 3, 2015.
  20. ^ Pizzi, Jenna (January 25, 2013). "Mercer freeholders review plan to develop area surrounding Trenton–Mercer Airport". The Times of Trenton. Retrieved January 25, 2013.
  21. ^ "Airport Master Plan Public Meeting #1" (PDF). Mercer County. Retrieved November 7, 2016.
  22. ^ "Terminal Draft Environmental Assessment" (PDF). Mercer County. Retrieved May 1, 2021.{{cite web}}: CS1 maint: url-status (link)
  23. ^ "FAA approves Mercer County's plan for New Terminal". Planet Princeton. March 21, 2022. Retrieved March 22, 2022.{{cite web}}: CS1 maint: url-status (link)
  24. ^ "Frontier Returns to Chicago Midway and Houston Hobby". January 18, 2022.
  25. ^ "Frontier Airlines Announces 18 Nonstop Routes, 2 New Destinations". Frontier Airlines Announces 18 Nonstop Routes, 2 New Destinations.
  26. ^ "Allegheny AIrlines April 24, 1977 Route Map". April 24, 1977. Retrieved May 15, 2020.
  27. ^ February 1, 1976, Official Airline Guide, North American edition, Trenton flight schedules
  28. ^ "United Airlines March 2, 1983 Route Map". Retrieved May 15, 2020.
  29. ^ "United Airlines January 6, 1986 Route Map". January 6, 1986. Retrieved May 15, 2020.
  30. ^[bare URL]
  31. ^ Goodnough, Abby (October 8, 1995). "Trenton-based Airline to Add Florida Flights". The New York Times. Retrieved November 19, 2013.
  32. ^ "Mercer County, NJ – Airlines". Archived from the original on June 9, 2012. Retrieved June 3, 2015.
  33. ^ "Streamline Air ends commuter flights from Trenton–Mercer Airport to Boston area". The Star-Ledger. September 13, 2012. Retrieved June 3, 2015.

External links[edit]