KGON/GON METAR & TAF Groton New London Airport

Groton, ConnecticutElevation 9 ftMedium airport
CURRENT STATUS
VFRMore than 1 hour 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
-746 ft
-755 ft vs field
CURRENT METAR

Decoded observation

Observed 2156Z (5:56 PM local) · More than 1 hour old

KGON 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
13°C / 8°C
55°F / 46°F. 5°C spread.
ALTIMETER
30.44 inHg
1030.8 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)
SLP307
sea-level pressure 1030.7 hPa
T01330078
precise temperature 13.3°C, dew point 7.8°C
TERMINAL AERODROME FORECAST

TAF timeline

Issued 1951Z (3:51 PM local) · valid to 1800Z (2:00 PM local)

KGON forecast starts VFR at 20Z. Conditions are roughly steady over the period.

VFR
VFR
VFR
2000Z4:00 PM0024Z8:24 PM0448Z12:48 AM0912Z5:12 AM1336Z9:36 AM1800Z2:00 PM

Codes in this report: P6SM SKC

Tap any group to decode it.

FAA: no delays reported at GON.

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 clear, low near 37F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Clear 37 W 5 kt – 0%
Monday Patchy Frost then Sunny 66/44 W 9 kt – 0%
Tuesday Sunny 59/35 N 9 kt – 0%
Wednesday Areas Of Frost then Sunny 58/44 E 6 kt – 0%
Thursday Sunny 65/51 SW 10 kt – 0%
Friday Sunny 69/48 W 9 kt – 1%
Saturday Mostly Sunny 65/49 NE 7 kt – 9%
Sunday Partly Sunny 66 S 9 kt – 9%

Source: National Weather Service (office OKX). Forecast issued 2256Z.

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
NESW05231533 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 233 kt headwind · 1 kt crosswind
RUNWAYS BY WIND · best end
23
HEAD
3 kt
CROSS
1 kt R
BEST
33
HEAD
1 kt
CROSS
3 kt L
OK
15
HEAD
1 kt tail
CROSS
3 kt R
OK
05
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

3 runways · longest 5,000 ft

05/23
Dimensions
5,000 x 150 ft
Surface
Asphalt (good)
Edge lights
HIGH
RWY 0534°T
Landing length (LDA)5,000 ft
TORA / TODA / ASDA5,000 / 5,000 / 5,000 ft
ILSILS/DME
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternLeft
RWY 23214°T
Landing length (LDA)5,000 ft
TORA / TODA / ASDA5,000 / 5,000 / 5,000 ft
REILYes
VGSIVASI (V4L)
Traffic patternLeft
15/33
Dimensions
4,000 x 96 ft
Surface
Asphalt (good)
Edge lights
HIGH
RWY 15135°T
Landing length (LDA)3,491 ft
TORA / TODA / ASDA4,000 / 4,000 / 3,798 ft
Displaced threshold307 ft
VGSIPAPI (P4R)
Traffic patternLeft
RWY 33315°T
Landing length (LDA)3,666 ft
TORA / TODA / ASDA4,000 / 4,000 / 3,871 ft
Displaced threshold205 ft
REILYes
VGSIPAPI (P4L)
Traffic patternLeft
H1
Dimensions
45 x 45 ft
Surface
Asphalt
RWY H1

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
-746 ft
Pressure altitude
-511 ft
Field elevation
9 ft MSL
Temperature
13°C (55°F)
Dewpoint
8°C (46°F)
Altimeter
30.44 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
2152Z 5:52 PM
Sunrise
1112Z 7:12 AM
Loggable night
2221Z (6:21 PM local) → 1043Z (6:43 AM local)
end of evening to start of morning civil twilight
Position lights required
2152Z (5:52 PM local) → 1112Z (7:12 AM local)
sunset to sunrise (91.209)
Night passenger currency
2252Z (6:52 PM local) → 1012Z (6:12 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

Groton New London Airport is in Groton, Connecticut. Field elevation 9 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeMedium airport
ManagerDAVID LUCAS
Manager phone860-841-9664
AttendedDaily, 0600– 2100
CHARTS & AIRSPACE
ICAO / IATAKGON / GON
SectionalNEW YORK
Center (ARTCC)BOSTON
Flight service (AFSS)BRIDGEPORT
RegionConnecticut
CountryUnited States
Coordinates41.3301, -72.0451
Distance from city3 NM SE
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerTowered
Field lightingSee remarks
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF125.600
FREQUENCIES

Communications

125.75
PROVIDENCE APP/DEP
A/D
127
ATIS
ATIS
119.85
CLNC DEL
CLD
125.6
CTAF
CTAF
121.65
GND
GND
126.2
ARNG OPS
OPS
122.1
BRIDGEPORT RDO
RDO
125.6
TWR
TWR

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

AIRCRAFT ACTIVITY

KGON traffic patterns

2026-06-13 to 2026-10-23, 60 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
13.7
AVG OPS/DAY
22.5
Activity trend over 15 days: rising, from 4 to 26 operations per dayOperations trend (15 days)

Busiest day: Fri · Busiest month: Aug

FLEET MIX
Piston single 63%Jet 12%Unknown 7%Twin 7%Turboprop 7%Helicopter 4%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›P28A (Piston single) · ~120 landings/mo
›PA34 (Twin) · ~12 landings/mo
›UNKN (Unknown) · ~11 landings/mo
›C172 (Piston single) · ~10 landings/mo
›PC12 (Turboprop) · ~4 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

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

›P28A (Piston single)
›PA34 (Twin)
›UNKN (Unknown)
›P28R (Unknown)
›C150 (Piston single)

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

›EXISTED PRIOR TO 1959.
›DEER, BIRDS & WATERFOWL ON & INVOF ARPT.
›U.S. CUST SVC AVBL WITH 6 HR PPR CALL MON-FRI 0800-1600 ON 203-773-2040 (OR TOLL FREE IN THE U.S. 1-800-973-2867) & FM CANADA 407- 975-1740. CALL BFR 1500 ON FRIDAY FOR WKEND OR HOL SVC REQS.
›ENGINEERED MATERIALS ARRESTING SYSTEM (EMAS) 340 FT LENGTH BY 162 FT WIDTH LCTD AT DER 23.
›ENGINEERED MATERIALS ARRESTING SYSTEM (EMAS) 130 FT LENGTH BY 162 FT WIDTH LCTD AT DER 05.
›1000 FT LGT ACFT; 1500 FT ALL TURBINE PWRD ACFT.
›WHEN ATCT CLSD, ACTVT MALSR RWY 05; HIRL RWYS 05/23 & 15/33 - CTAF.
›APCH RATIO 25:1 TO DTHR.
›NOISE ABATEMENT PROCS IN EFCT ARE AS FLWS: RWY 05: TURN LEFT HDG 020 TIL RCHG 1000 FT, THEN ON CRS; RWY 23: TURN LEFT HDG 210 TIL RCHG 1000 FT, THEN ON CRS; RWY 33: FLY RWY HDG TIL RCHG 1000 FT, THEN ON CRS.
›RAILROAD.
›TREES 34:1 TO DTHR.
›NO TGL OPNS PMTD BTN 2200-0600.
›RWY NR NOT STD.
›PCR VALUE: 1750/F/A/X/T
›PCR VALUE: 1750/F/A/X/T
›TRML AERODROME FCST SVC AVBL.
›FOR FUEL AFT HRS CALL BFR 2100 LCL DAY OF ARR 860-715-8800.
›LDG FEE FOR BUS/CORPORATE & REVENUE PRODUCING ACFT.
›TSNT PILOTS AT GA RAMP EXIT & RE-ENTER ARPT VIA PILOT PEDESTRIAN GATE ADJ TO MAIN TERM WITH POSTED GATE LOCK COMBINATION. THIS GATE IS LGTD WITH ELECTRONIC SURVEILLANCE 24 HRS DLY.
›ARNG: PPR FOR PARKING AT THE ARNG FACILITY, 860-441-2918, DSN 636-0918 0630-1600L WEEKDAYS. ACFT INBD TO ARNG RAMP CTC BLACKJACK OPS (304.6) 10 MIN PRIOR TO LANDING FOR STATUS OF PARKING.
›PRACTICE APCHS/FULL-STOP/TGLS PROHIBITED BY PURE JET ACFT & ACFT WEIGHING 12500 LBS & OVR EXC BY WRITTEN APVL FM THE CONNECTICUT ARPT AUTH.
›CLSD TO UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS EXC 48 HR PPR, CALL 860-250-4701.
›ARNG: GENERAL SUPPORT FAC OPR 1130-2100Z++ MON-FRI EXC HOL.
›CONDS NOT MNT FM 1800 LCL TO 0600 LCL, MON-FRI AND FM 1500 LCL TO 0700 LCL, SAT-SUN.
›FOR CD WHEN APCH CLSD CTC BOSTON ARTCC AT 603-879-6859.
FREQUENTLY ASKED
Does KGON have a METAR?
Yes. KGON has a current METAR observation, decoded into plain English on this page.
Does KGON have a TAF?
Yes, a TAF is issued for KGON; the decoded forecast timeline is shown above.
What is the field elevation at KGON?
KGON sits at 9 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KGON?
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.