Potomac Consolidated Terminal Radar Approach Control

• The Potomac Terminal Radar Approach Control (TRACON) controls approaches and departures in the airspace surrounding BWI, Andrews, Dulles, Reagan, Richmond and Martin State Airports
• Here is the Official FAA website with VHF frequencies and Graphics depicting sectors.
• Here is an unofficial website with details about the TRACON, including airspace levels and classes
• All frequencies are in the AM mode. These are often used in parallel with one or more civil VHF aircraft frequencies, particularly during peak travel periods.
• Flights leaving Martin State sometimes use Baltimore Washington International's frequencies
• Flights leaving Andrews often check in on Reagan National's frequencies

Baltimore Washington International Airport

Callsign: KBWI

282.275

290.475

291.625

307.900

317.425

119.700 / 290.475 PCT KBWI- East Arrival
124.550 / 317.425 PCT KBWI- East Departure
119.000 / 282.275 PCT KBWI- Final
126.750 / ???.??? PCT KBWI- Departure
125.525 / 291.625 PCT KBWI- West Arrival
128.700 / 307.900 PCT KBWI- West Departure

Dulles International Airport

Callsign: KIAD

338.250

343.775

350.200

390.900

Reagan (Washington National) Airport

Callsign: KDCA

250.275

254.250

257.200

269.500

270.275

279.575

281.475

322.200

343.700

346.725

348.725

118.300 / 306.200 PCT KDCA - Approach Final East
124.700 / 338.200 PCT KDCA - Approach Final West

124.200 / 269.000 PCT KDCA - East Arrival
128.350 / 270.275 PCT KDCA - South East 19,000' down TO 3000' Arrival
119.850 / 322.300 PCT KDCA - West Arrival

118.950 / 257.200 PCT KDCA - West 9500'& below Departure:
121.050 / 343.700 PCT KDCA - West 10,000' up to FL 230 Departure
125.650 / 348.725 PCT KDCA - East 9500' & below Departure
126.550 / 269.500 PCT KDCA - East 10,000' up to FL 190 Departure