City of Colorado Springs Municipal Airport frequencies

City of Colorado Springs Municipal Airport (COS · KCOS) in Colorado Springs, CO is a towered field, staffed 24 hours. 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 City of Colorado Springs Municipal Airport — runways, frequencies, charts and live weather

Before taxi Springs

ATIS 125.0
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 125.0
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 134.45
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 Springs

Ground 121.7
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 119.9 (primary), 133.15 (secondary)
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 Springs

Departure 124.0 (DUNNN arrivals)
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 Springs

Approach 120.6 (secondary), 124.0 (DUNNN arrivals)
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

UNICOM 122.95
A ground station run by the FBO rather than the FAA, for fuel, parking and airport services. Use it for services. Where the field has no separate CTAF, the same frequency doubles as the advisory frequency.
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)
122.85PTD
124.0CLASS C, DUNNN STAR
226.1PMSV METRO
243.0EMERG
254.3ATIS
257.875APCH/P, CLASS C, DEP/P, DUNNN STAR
318.05COMD POST
328.025COMD POST
335.55LCL/S
348.6GND/P
360.6LCL/P
363.125CD/P
372.2PTD
Every KCOS frequency, as one table
ATIS125.0
ASOS/AWOS125.0
Clearance134.45
Ground121.7
Tower119.9 (primary), 133.15 (secondary)
UNICOM122.95
Emergency121.5
Approach120.6 · secondary
Approach124.0 · DUNNN arrivals
Departure124.0 · DUNNN arrivals

Frequently asked

What is the tower frequency at KCOS?

City of Colorado Springs Municipal Airport tower is 119.9 (primary), 133.15 (secondary), calling "Springs Tower". The tower is staffed 24 hours.

What is the ground frequency at KCOS?

Ground control at City of Colorado Springs Municipal Airport is 121.7. 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 KCOS?

ATIS at City of Colorado Springs Municipal Airport is 125.0. Listen before your first call and report the letter you have.

What is the approach frequency for KCOS?

Approach for City of Colorado Springs Municipal Airport is 120.6, working as "Springs" (secondary). Call inbound for flight following or to begin an instrument approach.

Where do I get my clearance at KCOS?

Clearance delivery at City of Colorado Springs Municipal Airport is 134.45. Call before requesting taxi, with the current ATIS letter and your direction of flight.