Grand Forks Air Force Base frequencies

Grand Forks Air Force Base (RDR · KRDR) in Grand Forks, ND is a towered field, staffed OPR 1200-0530Z++; CLSD HOL.. 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 Grand Forks Air Force Base — runways, frequencies, charts and live weather

When the KRDR tower is closed

The tower is staffed OPR 1200-0530Z++; CLSD HOL.. Outside those hours Grand Forks Air Force Base has no operating control tower: it becomes a self announce field on 124.9, 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 KRDR airport page for the click sequence, and what to say on the radio.

Before taxi Red River

Clearance 119.15
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 Red River

Ground 119.15
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 124.9
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 Grand Forks

App/Dep 118.1
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

Flight service 132.15 (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 (13 more)
121.1ARR (GRAND FORKS)
126.6ARR (RED RIVER)
243.0EMERG
269.6GRAND FORKS RCAG (LOW)
273.45D-ATIS
275.8GND/P
311.0COMD POST
318.1APCH/P DEP/P
321.0COMD POST
343.5PMSV METRO
349.0LCL/P
360.7CD/P
372.2PTD
Every KRDR frequency, as one table
Clearance119.15
Ground119.15
Tower124.9
Flight service132.15 (LOW)
Emergency121.5
App/Dep118.1

Frequently asked

What is the tower frequency at KRDR?

Grand Forks Air Force Base tower is 124.9, calling "Red River Tower". The tower is staffed OPR 1200-0530Z++; CLSD HOL..

What frequency do I use at KRDR when the tower is closed?

Outside OPR 1200-0530Z++; CLSD HOL., Grand Forks Air Force Base has no operating control tower and becomes a self announce field. Use 124.9 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 KRDR?

Ground control at Grand Forks Air Force Base is 119.15. You need an explicit clearance from ground to cross any runway while taxiing, including one that is not in use.

What is the approach frequency for KRDR?

App/Dep for Grand Forks Air Force Base is 118.1, working as "Grand Forks". Call inbound for flight following or to begin an instrument approach.

Where do I get my clearance at KRDR?

Clearance delivery at Grand Forks Air Force Base is 119.15. Call before requesting taxi, with the current ATIS letter and your direction of flight.