KTTN/TTN METAR & TAF Trenton Mercer Airport

Ewing Township, New JerseyElevation 213 ftMedium airport
CURRENT STATUS
VFR53 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
240@3
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
-148 ft
-361 ft vs field
CURRENT METAR

Decoded observation

Observed 2253Z (6:53 PM local) · 53 min old

KTTN is currently VFR. Winds are from the southwest at 3 knots. Visibility is 10 statute miles. There is no ceiling.

WIND
240° at 3 kt
Steady.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
16°C / 3°C
61°F / 37°F. 13°C spread.
ALTIMETER
30.45 inHg
1031.2 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: CLR RMK AO2

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

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SLP308
sea-level pressure 1030.8 hPa
T01560028
precise temperature 15.6°C, dew point 2.8°C
TERMINAL AERODROME FORECAST

TAF timeline

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

KTTN forecast starts VFR at 00Z. Conditions are roughly steady over the period.

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

Codes in this report: P6SM SKC

Tap any group to decode it.

FAA: no delays reported at TTN.

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

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

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 240° at 3 kt, visibility 10 SM, ceiling none. Forecast suggests tonight mostly clear, low near 35F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Clear 35 0 kt – 0%
Monday Sunny 69/48 W 4 kt – 0%
Tuesday Sunny 64/40 N 9 kt – 0%
Wednesday Mostly Sunny 65/44 E 4 kt – 0%
Thursday Mostly Sunny 71/49 W 4 kt – 0%
Friday Sunny 75/49 W 4 kt – 0%
Saturday Mostly Sunny 71/51 E 4 kt – 5%
Sunday Mostly Cloudy then Slight Chance Rain Showers 70 S 4 kt – 18%

Source: National Weather Service (office PHI). Forecast issued 2200Z.

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
NESW16340624 240°240°3 kt240°240° 3240°
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
240° at 3 kt
Components computed from the current on-field METAR wind.
RECOMMENDED
RWY 243 kt headwind · 1 kt crosswind
RUNWAYS BY WIND · best end
24
HEAD
3 kt
CROSS
1 kt R
BEST
34
HEAD
0 kt
CROSS
3 kt L
OK
16
HEAD
0 kt tail
CROSS
3 kt R
OK
06
HEAD
3 kt tail
CROSS
1 kt L
OK
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

H1
Dimensions
64 x 64 ft
Surface
Asphalt (good)
RWY H1
H2
Dimensions
64 x 64 ft
Surface
Asphalt (good)
RWY H2
H3
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
-148 ft
Pressure altitude
-317 ft
Field elevation
213 ft MSL
Temperature
16°C (61°F)
Dewpoint
3°C (37°F)
Altimeter
30.45 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
2205Z 6:05 PM
Sunrise
1121Z 7:21 AM
Loggable night
2233Z (6:33 PM local) → 1053Z (6:53 AM local)
end of evening to start of morning civil twilight
Position lights required
2205Z (6:05 PM local) → 1121Z (7:21 AM local)
sunset to sunrise (91.209)
Night passenger currency
2305Z (7:05 PM local) → 1021Z (6:21 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
ASOS
126.775
ATIS
ATIS
120.7
CTAF
CTAF
121.9
GND/CLNC DEL
GND
120.7
TWR
TWR
122.95
UNICOM
UNIC
122.950
UNICOM
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 2026-10-23, 70 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
126.2
AVG OPS/DAY
153.8
Activity trend over 18 days: rising, from 115 to 226 operations per dayOperations trend (18 days)

Busiest day: Wed · Busiest month: Sep

FLEET MIX
Piston single 57%Unknown 24%Twin 6%Jet 4%Airliner 3%Helicopter 3%Turboprop 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~1515 landings/mo
›UNKN (Unknown) · ~524 landings/mo
›PA44 (Twin) · ~157 landings/mo
›A20N (Airliner) · ~50 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)
›H160 (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.

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.
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.