Groton (New London), Connecticut

KGON Groton-New London

Groton-New London (KGON) is a towered, public-use airport in Groton (New London), Connecticut, at 9.1 ft MSL. It has 3 runways: 05/23 (5,000 by 150 ft, asphalt), 15/33 (4,000 by 96 ft, asphalt), H1 (45 by 45 ft, asphalt). CTAF 125.6.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KGON, FAA GON
Location
Groton (New London), Connecticut (New London County). 3 NM SE of the city center
Elevation
9.1 ft MSL
Position
41.3301° N, 72.0451° W
Control tower
Yes (ATCT)
Sectional chart
New York
Magnetic variation
14° W (1980)
Fuel
100LL, Jet A
Ownership
Publicly owned, open to the public
Attendance
Daily 0600- 1400

3 runways

Runways

RunwayLength × widthSurfaceEdge lights
05/235,000 × 150 ftAsphalt, good conditionHigh intensity
15/334,000 × 96 ftAsphalt, good conditionHigh intensity
H145 × 45 ftAsphaltNot listed

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
05Left traffic4-light PAPI, leftILS/DMENone listed5,000 ft
23Left traffic4-box VASI, leftNone listedNone listed5,000 ft
15Left traffic4-light PAPI, rightNone listed307 ft3,491 ft
33Left traffic4-light PAPI, leftNone listed205 ft3,666 ft
H1Not statedNone listedNone listedNone listedNot listed

VHF

Frequencies

ATIS
127.0
"Groton". Hours 0700-2200
CTAF
125.6
When Atct Clsd, Actvt Malsr Rwy 05; Hirl Rwys 05/23 & 15/33 - Ctaf.
Tower
125.6
"Groton". Hours 0700-2200
Ground
121.65
"Groton". Hours 0700-2200
Clearance delivery
119.85
"Groton". Sector WHEN TWR CLSD 2200-0000, 0600-0700
Clearance delivery
121.65
"Groton". Hours 0700-2200
Approach / departure
125.75
"Providence"

Weather station

ASOS GON
127.0

Before you go

Brief KGON in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Groton-New London, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.