Trenton Mercer Airport (KTTN)
Medium airport · Ewing Township, New Jersey, United States
Airport data
| Name | Trenton Mercer Airport |
|---|---|
| ICAO | KTTN |
| IATA | TTN |
| Elevation | 213 ft (65 m) above mean sea level |
| Coordinates | N 40°16'36" W 74°48'49" 40.27670, -74.81350 |
| Location | Ewing Township, New Jersey, United States |
| Scheduled service | Yes |
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 06/24 | 6,006 ft (1831 m) | 150 ft | ASP | Yes |
| 16/34 | 4,800 ft (1463 m) | 150 ft | ASP | Yes |
Trenton Mercer Airport at a glance
Trenton Mercer Airport is a medium airport in Ewing Township, New Jersey, United States, known to airline systems as TTN. The field elevation of 213 ft (65 m) is the number every arriving pilot dials against QNH — circuit heights and initial approach altitudes at KTTN are all figured from it. The airport handles scheduled commercial service, so expect controlled procedures, published approaches and commercial traffic in the pattern.
Of its 2 runways, the longest — 06/24 — offers 6,006 ft (1831 m) of asp surface, with runway lighting for night operations. Runway numbers give magnetic orientation: runway 06 points roughly 60° magnetic.
For the weather side of planning, the live METAR and TAF page for KTTN shows the current observation decoded line by line — wind on an instrument dial, visibility, cloud layers and the resulting flight rules — refreshed continuously from official sources.
Nearest airports to Trenton Mercer Airport
Distances are great-circle, measured from the field reference point — planning distances along airways or roads will run longer.
| Airport | Code | Distance |
|---|---|---|
| Northeast Philadelphia Airport | KPNE | 27 km (15 NM) |
| Mc Guire Air Force Base | KWRI | 35 km (19 NM) |
| Lakehurst Maxfield Field Airport | KNEL | 48 km (26 NM) |
| Philadelphia International Airport | KPHL | 58 km (31 NM) |
| Morristown Municipal Airport | KMMU | 67 km (36 NM) |
Flight-planning notes for Trenton Mercer Airport
Density altitude is the quiet performance-killer at any field: on a hot day the 213 ft field elevation of Trenton Mercer Airport can translate into a substantially higher density altitude, stretching take-off rolls and flattening climb rates — run the numbers rather than trusting the feel of a standard day. Expect published instrument procedures, controlled airspace and clearance requirements; slots and handling may apply to general aviation traffic.
This entry is one of 917 airports and airfields we list for United States — the country index on the airports hub links the rest. Coordinates above are given in both DMS and decimal degrees so they can go straight into a GPS, a flight planner or a chart plot without conversion.
Where this data comes from
The reference layer behind this page builds on the OurAirports dataset — a public-domain, community-maintained register of the world's airports that many flight planners and apps rely on — with equity records preserved from documented historical listings where the dataset is silent. Figures are carried as published: elevations as surveyed, coordinates as filed, runway dimensions as recorded. Nothing is estimated to fill a gap, and the whole layer regenerates from source on every site build, so corrections upstream arrive here automatically.
Frequently asked questions about Trenton Mercer Airport
What is the ICAO code of Trenton Mercer Airport?
The ICAO identifier of Trenton Mercer Airport is KTTN, and its IATA code is TTN. The ICAO code is the one used in flight plans, METAR reports and aeronautical charts.
How high is Trenton Mercer Airport above sea level?
Trenton Mercer Airport sits at an elevation of 213 feet (65 metres) above mean sea level. Field elevation is the reference for pattern altitudes and for setting the altimeter on the ground.
Where exactly is Trenton Mercer Airport located?
The airport lies at 40.2767, -74.8135 — in Ewing Township, New Jersey, United States, in the northern hemisphere. The closest listed field is Northeast Philadelphia Airport, about 27 km away.
Does KTTN publish METAR weather reports?
Where the station reports, the current METAR and TAF for KTTN appear on its live weather page on this site, refreshed continuously from the US NWS Aviation Weather Center feed.
How long is the runway at Trenton Mercer Airport?
Trenton Mercer Airport has 2 runways. The longest, 06/24, measures 6,006 ft (1831 m) with a ASP surface.