Baltimore/Washington International Thurgood Marshall Airport frequencies

Baltimore/Washington International Thurgood Marshall Airport (BWI · KBWI) in Baltimore, MD 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 Baltimore/Washington International Thurgood Marshall Airport — runways, frequencies, charts and live weather

Before taxi Baltimore

ATIS 127.8, 115.1
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 118.05
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 Baltimore

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 119.4
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 Potomac

Departure 124.55 (EAST · CONLE · DUKPN · FIXET +2 more departures), 128.7 (WEST · FOXHL · LINSE · TERPZ departures)
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 Potomac

Approach 119.0 (020-100), 119.7 (131-180), 124.55 (101-130 · CONLE · DUKPN · FIXET +2 more departures), 125.525 (181-019 · TRISH arrivals), 128.7 (181-019 · FOXHL · LINSE · TERPZ departures)
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 119.4
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 (20 more)
119.0CLASS B (020-100), CLASS B/S (131-180)
119.7CLASS B (131-180), CLASS B/S (020-130)
124.55CLASS B (101-130), CONLE DP, DUKPN DP, FIXET DP, PALEO DP, SWANN DP
125.525CLASS B/S (181-019), TRISH STAR
126.825WESTMINSTER STAR (10000 FT & BLW)
128.35RAVNN STAR
128.7CLASS B (181-019), FOXHL DP, LINSE DP, TERPZ DP
133.75MIIDY STAR
133.85ANTHM STAR, WESTMINSTER STAR (11000 FT & ABV)
239.025WESTMINSTER STAR (10000 FT & BLW)
243.0EMERG
254.25ANTHM STAR, WESTMINSTER STAR (11000 FT & ABV)
254.35MIIDY STAR
257.8LCL/P
270.275RAVNN STAR
282.275APCH/P (020-100), APCH/S (131-180), CLASS B (020-100), CLASS B/S (131-180)
290.475APCH/P (131-180), APCH/S (020-130), CLASS B (131-180), CLASS B/S (020-130)
291.625TRISH STAR
307.9APCH/P (181-019), CLASS B (181-019), DEP/P (WEST), FOXHL DP, LINSE DP, TERPZ DP
317.425APCH/P (101-130), CLASS B (101-130), CONLE DP, DEP/P (EAST), DUKPN DP, FIXET DP
Every KBWI frequency, as one table
ATIS127.8, 115.1
Clearance118.05
Ground121.9
Tower119.4
UNICOM119.4
Emergency121.5
Approach119.0 · 020-100
Approach119.7 · 131-180
Approach124.55 · 101-130 · CONLE · DUKPN · FIXET +2 more departures
Approach125.525 · 181-019 · TRISH arrivals
Approach128.7 · 181-019 · FOXHL · LINSE · TERPZ departures
Departure124.55 · EAST · CONLE · DUKPN · FIXET +2 more departures
Departure128.7 · WEST · FOXHL · LINSE · TERPZ departures

Frequently asked

What is the tower frequency at KBWI?

Baltimore/Washington International Thurgood Marshall Airport tower is 119.4, calling "Baltimore Tower". The tower is staffed 24 hours.

What is the ground frequency at KBWI?

Ground control at Baltimore/Washington International Thurgood Marshall 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 KBWI?

ATIS at Baltimore/Washington International Thurgood Marshall Airport is 127.8, 115.1. Listen before your first call and report the letter you have.

What is the approach frequency for KBWI?

Approach for Baltimore/Washington International Thurgood Marshall Airport is 119.0, working as "Potomac" (020-100). Call inbound for flight following or to begin an instrument approach.

Where do I get my clearance at KBWI?

Clearance delivery at Baltimore/Washington International Thurgood Marshall Airport is 118.05. Call before requesting taxi, with the current ATIS letter and your direction of flight.