Austin Straubel International Airport frequencies
Austin Straubel International Airport (GRB · KGRB) in Green Bay, WI is a towered field, staffed 0530-2330. 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 Austin Straubel International Airport — runways, frequencies, charts and live weatherWhen the KGRB tower is closed
The tower is staffed 0530-2330. Outside those hours Austin Straubel International Airport has no operating control tower: it becomes a self announce field on 118.7, 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 KGRB airport page for the click sequence, and what to say on the radio.
Before taxi Green Bay
- ATIS 124.1
- 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.
- Clearance 121.75
- 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 Green Bay
- Ground 121.9
- 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 118.7
- 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 Green Bay
- Departure 126.55
- Departure control is the radar facility working aircraft climbing out of the area. Tower hands you off after takeoff. Check in with your altitude leaving and your assigned altitude.
Arrival Green Bay
- Approach 119.4
- Approach control is the radar facility sequencing arrivals into the area. Call inbound for flight following or an instrument approach, with your position, altitude and request.
Also
- CTAF 118.7
- 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 122.2, 133.175 (HIGH)
- 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)
| 119.4 | CLASS C |
|---|---|
| 243.0 | EMERG |
| 257.8 | LCL/P |
| 317.7 | MOSINEE RCAG (LOW) |
| 338.2 | APCH/P, CLASS C |
Every KGRB frequency, as one table
| ATIS | 124.1 |
|---|---|
| Clearance | 121.75 |
| Ground | 121.9 |
| Tower | 118.7 |
| CTAF | 118.7 |
| Flight service | 122.2, 133.175 (HIGH) |
| Emergency | 121.5 |
| Approach | 119.4 |
| Departure | 126.55 |
Frequently asked
What is the tower frequency at KGRB?
Austin Straubel International Airport tower is 118.7, calling "Green Bay Tower". The tower is staffed 0530-2330.
What frequency do I use at KGRB when the tower is closed?
Outside 0530-2330, Austin Straubel International Airport has no operating control tower and becomes a self announce field. Use 118.7 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 KGRB?
Ground control at Austin Straubel International Airport is 121.9. 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 KGRB?
ATIS at Austin Straubel International Airport is 124.1. Listen before your first call and report the letter you have.
What is the approach frequency for KGRB?
Approach for Austin Straubel International Airport is 119.4, working as "Green Bay". Call inbound for flight following or to begin an instrument approach.
Where do I get my clearance at KGRB?
Clearance delivery at Austin Straubel International Airport is 121.75. Call before requesting taxi, with the current ATIS letter and your direction of flight.
More about KGRB
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.