KTTN · TTN

Trenton Mercer Airport

Ewing Township, New JerseyElevation 213 ftMedium airport

CURRENT STATUS

VFR38 min old

No ceiling, visibility 10 SM.

FAA: no delays reported at TTN.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

190@5

steady

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

1,155 ft

+942 ft vs field

CURRENT METAR

Decoded observation

Observed 0253Z (10:53 PM local) · 38 min old

KTTN is currently VFR. Winds are from the south at 5 knots. Visibility is 10 statute miles. There is no ceiling.

WIND

190° at 5 kt

Steady.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

22°C / 17°C

72°F / 63°F. 5°C spread.

ALTIMETER

29.86 inHg

1011.2 hPa, near standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

SLP104

sea-level pressure 1010.4 hPa

T02170167

precise temperature 21.7°C, dew point 16.7°C

51012

3-hour pressure tendency: rising then steady (1.2 hPa change)

station needs maintenance

TERMINAL AERODROME FORECAST

TAF timeline

Issued 2320Z (7:20 PM local) · valid to 0000Z (8:00 PM local)

KTTN forecast starts VFR at 00Z. Worst period is 19Z to 23Z with IFR possible (TS, CB, LOW VIS). Best period is 00Z to 03Z (VFR). Conditions are roughly steady over the period. Thunderstorms are a probability during part of the period.

VFR

IFR

VFR

0000Z8:00 PM0448Z12:48 AM0936Z5:36 AM1424Z10:24 AM1912Z3:12 PM0000Z8:00 PM

Tap any group to decode it.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Moderate

›PROB30 forecast: light thunderstorm with rain (-TSRA).

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind from 190° at 5 kt, visibility 10 SM, ceiling none. Forecast suggests tonight partly cloudy then scattered showers and thunderstorms, low near 64F, 26% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES

Thunderstorms in the forecastWeather.gov

Tonight: Partly Cloudy then Scattered Showers And Thunderstorms. Watch for developing convection and plan alternates.

Day	Conditions	Temp F	Wind	Gusts	Precip	Pilot note
Tonight	Partly Cloudy then Scattered Showers And Thunderstorms	64	SW 4 kt	–	26%	Thunderstorms in the forecast
Monday	Mostly Sunny then Scattered Showers And Thunderstorms	84/67	SW 4 kt	–	54%
Tuesday	Showers And Thunderstorms	79/67	S 9 kt	–	87%
Wednesday	Rain Showers Likely	77/63	N 13 kt	–	72%
Thursday	Partly Sunny then Chance Showers And Thunderstorms	79/64	N 9 kt	–	25%
Friday	Sunny	83/66	NW 4 kt	–	4%
Saturday	Mostly Sunny	86/68	W 4 kt	–	24%
Sunday	Chance Rain Showers	83	S 4 kt	–	46%

Source: National Weather Service (office PHI). Forecast issued 0331Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND

2 runways · crosswind ranking

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

190° at 5 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 244 kt headwind · 3 kt crosswind

RUNWAYS BY WIND · best end

HEAD

4 kt

CROSS

3 kt L

BEST

HEAD

4 kt

CROSS

3 kt R

HEAD

4 kt tail

CROSS

3 kt L

HEAD

4 kt tail

CROSS

3 kt R

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

5 runways · longest 6,006 ft

Dimensions

64 x 64 ft

Surface

Asphalt (good)

RWY H1

Dimensions

64 x 64 ft

Surface

Asphalt (good)

RWY H2

Dimensions

64 x 64 ft

Surface

Asphalt (good)

RWY H3

16/34

Dimensions

4,800 x 150 ft

Surface

Asphalt (good)

Edge lights

HIGH

RWY 16146°T

Landing length (LDA)4,800 ft

TORA / TODA / ASDA4,800 / 4,800 / 4,800 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

RWY 34326°T

Landing length (LDA)4,800 ft

TORA / TODA / ASDA4,800 / 4,800 / 4,800 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

06/24

Dimensions

6,006 x 150 ft

Surface

Asphalt (good)

Edge lights

HIGH

RWY 0646°T

Landing length (LDA)6,006 ft

TORA / TODA / ASDA6,006 / 6,006 / 6,006 ft

ILSILS

Approach lightsMALSR

Traffic patternLeft

RWY 24226°T

Landing length (LDA)6,006 ft

TORA / TODA / ASDA6,006 / 6,006 / 6,006 ft

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

1,155 ft

Pressure altitude

273 ft

Field elevation

213 ft MSL

Temperature

22°C (72°F)

Dewpoint

17°C (63°F)

Altimeter

29.86 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

0019Z 8:19 PM

Sunrise

0952Z 5:52 AM

Loggable night

0050Z (8:50 PM local) → 0921Z (5:21 AM local)

end of evening to start of morning civil twilight

Position lights required

0019Z (8:19 PM local) → 0952Z (5:52 AM local)

sunset to sunrise (91.209)

Night passenger currency

0119Z (9:19 PM local) → 0852Z (4:52 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Trenton Mercer Airport is in Ewing Township, New Jersey. Field elevation 213 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeMedium airport

Airline serviceYes

ManagerERIC BILLOWITZ

Manager phone609-882-1601

AttendedContinuous (24 hours)

CHARTS & AIRSPACE

ICAO / IATAKTTN / TTN

SectionalNEW YORK

Center (ARTCC)WASHINGTON

Flight service (AFSS)MILLVILLE

RegionNew Jersey

CountryUnited States

Coordinates40.2767, -74.8135

Distance from city4 NM NW

SERVICES & LIGHTING

Fuel100LL · Jet A · Jet A+

Control towerTowered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF120.700

UNICOM122.950

FREQUENCIES

Communications

123.8

PHILADELPHIA APP/DEP

A/D

126.775

ASOS

126.775

ATIS

120.7

CTAF

121.9

GND/CLNC DEL

GND

120.7

TWR

122.95

UNICOM

UNIC

122.950

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KTTN traffic patterns

2026-06-12 to 2026-07-25, 25 days observed · data 2026-07-25

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

147.2

AVG OPS/DAY

175.7

Operations trend (17 days)

Busiest day: Wed · Busiest month: Jul

FLEET MIX

Piston single 54%Unknown 24%Twin 6%Jet 6%Helicopter 5%Airliner 4%Turboprop 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›C172 (Piston single) · ~943 landings/mo

›UNKN (Unknown) · ~304 landings/mo

›PA44 (Twin) · ~106 landings/mo

›A20N (Airliner) · ~33 landings/mo

›B06 (Helicopter) · ~27 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)

›UNKN (Unknown)

›B06 (Helicopter)

›PA44 (Twin)

›A139 (Helicopter)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KDYL Doylestown Airport

15 NM W

VFR

KPNE Northeast Philadelphia Airport

15 NM SW

VFR

KWRI Mc Guire Air Force Base

19 NM SE

VFR

KVAY South Jersey Regional Airport

VFR

KUKT Quakertown Airport

28 NM W

VFR

AIRPORT REMARKS

Operational remarks

›NOISE ABATEMENT PROCS IN EFCT; DEPS OVER 12500 LBS FLY RY HEADING UNTIL 1700 FT MSL; DEPS UNDER 12500 LBS FLY RY HEADING UNTIL 1200 FT MSL.

›US CUSTOMS USER FEE ARPT.

›RY 34 ENGINEERED MATERIALS ARRESTING SYSTEM (EMAS), 226 FT LONG BY 162 FT WIDE, LCTD DER 34.

›RY 24 ENGINEERED MATERIAL ARRESTING SYSTEM 251X162 DEP END.

›RY 16, ENGINEERED MATERIALS ARRESTING SYSTEM (EMAS), 247 FT LONG BY 162 FT WIDE, LCTD DER 16.

›RY 6 ENGINEERED MATERIAL ARRESTING SYSTEM 308X162 DEP END.

›TPA FOR ACFT UNDER 12500 LBS 1200 FT MSL; ACFT 12500 LBS & OVER 1700 FT MSL.

›WHEN ATCT CLSD ACTVT HIRL RY 06/24; HIRL RY 16/34; MALSR RY 06; PAPI RYS 24; 16; 34; REIL RYS 24; 16; 34 & TWY LGTS - CTAF.

›FUEL AVBL ON 24/7.

›RWY 06, 185 FT LGTD POLE; 100 FT FROM THRESHOLD, 500 FT R.

›PCR VALUE: 700/F/B/X/T

›PCR VALUE: 590/F/B/X/T

›LCTD AT NORTHEAST END OF TWY 'B'.

›LOCATED AT INTXN OF TWYS 'H' & 'H1'.

›LDG FEE FOR ALL TRANSIENT ACFT.

›TWY C CLSD TO ACFT MORE THAN 40000 LB.

›TWY E CLSD TO ACFT WINGSPAN MORE THAN 110FT EXC 24HR PPR 609-883-0994.

›ARFF MNTS GND AND ATCT FREQS DURG ATC ZERO EVENTS.

›TWR VIEW OF TWY J OBSC CTN ADZ.

›VOLUNTARY CURFEW 0000-0600 LCL.

›FOR CD WHEN ATCT IS CLSD CTC PHL APCH AT (800) 354-9884.

›NO TGL OR TRAINING OPNS 2200-0700.

›GEESE & FLOCKS OF SEA GULLS & DEER ON & INVOF ARPT.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗KTTN on OurAirports

FREQUENTLY ASKED

Does KTTN have a METAR?

Yes. KTTN has a current METAR observation, decoded into plain English on this page.

Does KTTN have a TAF?

Yes, a TAF is issued for KTTN; the decoded forecast timeline is shown above.

What is the field elevation at KTTN?

KTTN sits at 213 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KTTN?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.