Groton New London Airport frequencies
Groton New London Airport (GON · KGON) in Groton, CT is a towered field, staffed 0700-2200. Every frequency below is in the order you tune it, from the first call to the handoff on climb out. · Open on the map
All of Groton New London Airport — runways, frequencies, charts and live weatherWhen the KGON tower is closed
The tower is staffed 0700-2200. Outside those hours Groton New London Airport has no operating control tower: it becomes a self announce field on 125.6, and separation from other traffic is yours, not a controller's. Report your position and intentions on entry and on each leg of the pattern.
Runway lighting is often pilot controlled once the tower closes — check the KGON airport page for the click sequence, and what to say on the radio.
Before taxi Groton
- ATIS 127.0
- A recorded loop of the field's weather, active runway and any notices, updated hourly or whenever conditions change. Listen before your first call, and tell the controller which letter you have so they do not read it to you again.
- ASOS/AWOS 127.0
- An automated weather station reading the field conditions aloud — wind, visibility, ceiling, temperature and altimeter. It replaces ATIS at a field with no controller to record one. Get the altimeter setting before you descend below the transition altitude.
- Clearance 119.85 (WHEN TWR CLSD 2200-0000, 0600-0700), 121.65
- Clearance delivery issues your IFR clearance, and at busier fields your VFR departure instructions and squawk code. Call before you request taxi, with the ATIS letter and your intended direction of flight.
Taxi & takeoff Groton
- Ground 121.65
- Ground control owns every taxiway and inactive runway on the field. Call for taxi with your position and destination on the field. You need an explicit clearance to cross any runway, including one that is not in use.
- Tower 125.6
- Tower owns the active runways and the surrounding surface area. Call before entering the surface area inbound, and hold short until you are cleared to take off or to cross.
Departure & arrival Providence
- App/Dep 125.75
- One radar controller working both arrivals and departures — normal at a smaller TRACON. The same frequency takes your climb out and your inbound call.
Also
- CTAF 125.6
- The common frequency pilots use to announce themselves to each other at a field with no operating control tower. Nobody is controlling traffic — you are self announcing. Report your position and intentions on entry and on each leg of the pattern, and listen well before you transmit.
- Flight service 124.85 (LOW)
- Flight Service handles briefings, flight plans and en route advisories, reached here through a remote outlet. Open and close VFR flight plans, and get updated weather in the air. 1-800-WX-BRIEF reaches the same specialists from the ground.
- Emergency 121.5
- 121.5 is the international emergency and distress frequency, monitored continuously. Declare on it if you are in trouble, and monitor it as a second radio when you have one free.
By procedure & sector (5 more)
| 126.2 | NG OPS |
|---|---|
| 236.775 | GND/P, LCL/P |
| 304.6 | NG OPS |
| 307.9 | WOODSTOCK RCAG (LOW) |
| 319.2 | APCH/P DEP/P |
Every KGON frequency, as one table
| ATIS | 127.0 |
|---|---|
| ASOS/AWOS | 127.0 |
| Clearance | 119.85 (WHEN TWR CLSD 2200-0000, 0600-0700), 121.65 |
| Ground | 121.65 |
| Tower | 125.6 |
| CTAF | 125.6 |
| Flight service | 124.85 (LOW) |
| Emergency | 121.5 |
| App/Dep | 125.75 |
Frequently asked
What is the tower frequency at KGON?
Groton New London Airport tower is 125.6, calling "Groton Tower". The tower is staffed 0700-2200.
What frequency do I use at KGON when the tower is closed?
Outside 0700-2200, Groton New London Airport has no operating control tower and becomes a self announce field. Use 125.6 as the CTAF and report your position and intentions — there is nobody to clear you, so separation is yours.
What is the ground frequency at KGON?
Ground control at Groton New London Airport is 121.65. You need an explicit clearance from ground to cross any runway while taxiing, including one that is not in use.
What is the ATIS frequency at KGON?
ATIS at Groton New London Airport is 127.0. Listen before your first call and report the letter you have.
What is the approach frequency for KGON?
App/Dep for Groton New London Airport is 125.75, working as "Providence". Call inbound for flight following or to begin an instrument approach.
Where do I get my clearance at KGON?
Clearance delivery at Groton New London Airport is 119.85 (WHEN TWR CLSD 2200-0000, 0600-0700), 121.65. Call before requesting taxi, with the current ATIS letter and your direction of flight.
More about KGON
Frequencies from FAA NASR. For planning and education only; always verify against official sources.
Something here wrong or out of date? Report a data problem.