Aircraft

47CFR87.173 Aeronautical Frequency Table

FCC Aviation Radio Service

Common Commercial Frequencies

118.000 - 121.400 	Air Traffic Control
121.425 - 121.475 	Band Protection for 121.5
121.500 	        Emergency Search and Rescue (VHF Guard) (ELT Operational Check, 5 Sec)
121.525 - 121.575 	Band Protection for 121.5
121.600 - 121.925 	Airport Utility and ELT Test
121.950 	        Aviation Instructional and Support
121.975 	        FSS Private Aircraft Advisory
122.000 - 122.050 	En Route Flight Advisory Service (EFAS)
122.075 - 122.675 	FSS Private Aircraft Advisory
122.700 - 122.725 	UNICOM - Uncontrolled Airport and Aeronautical Utility
122.750  	        Aircraft Air-to-Air / Also Formation Flights and Training
122.775 	        Aviational Instruction and Support
122.800 	        UNICOM - Uncontrolled Airport
122.825 	        Domestic VHF
122.850 	        Multicom - Special Use and Aviation Support on Non Interference
122.875  	        Domestic VHF
122.900  	        Multicom
122.925  	        Multicom - Natural Resources
122.950  	        Unicom - Airport with full time ATCT or full time FSS
122.975 - 123.000 	Unicom - Uncontrolled Airport
123.025 	        Helicopter Air-to-Air
123.050 - 123.075 	Unicom - Uncontrolled Airport
123.100  	        Aeronautical Search and Rescue, also Temporary Control Tower on
123.125 - 123.275 	Flight Test Stations
123.300 	        Aviation Support
123.325 - 123.475 	Flight Test Stations
123.450 	        Air to Air (Unofficial)
123.500 	        Aviation Support
123.525 - 123.575 	Flight Test Stations
123.600 - 123.650 	FSS Air Carrier Advisory
123.675 - 128.800 	Air Traffic Control
126.200 	        Air Traffic Control (Military Common)
128.825 - 132.000 	Domestic VHF (Operational Control)
132.025 - 135.825 	Air Traffic Control
134.100 	        Air Traffic Control (Military Common)
135.850 	        Flight Inspection Use
135.875 - 135.925 	Air Traffic Control
135.950 	        Flight Inspection Use
135.975 - 136.075 	Air Traffic Control
136.100 	        Future Use UNICOM or AWOS
136.125 - 136.175 	Air Traffic Control
136.200 	        Future Use UNICOM or AWOS
136.225 - 136.250 	Air Traffic Control
136.275  	        Future Use UNICOM or AWOS
136.300 - 136.350 	Air Traffic Control
136.375  	        Future Use UNICOM or AWOS
136.400 - 136.450 	Air Traffic Control
136.475 	        Future Use UNICOM or AWOS
136.500 - 136.975 	Domestic VHF (Operational Control and Special Purpose)

Common Military Frequencies

243.0    Aircraft Emergency/Distress Channel (UHF Guard) 
282.8    Search & Rescue

255.4    FAA Flight Service Stations
239.8    PMSV (Pilot to Metro Service - weather advisory)
342.5    PMSV
344.6    PMSV
375.2    PMSV

303.0    Air-to-air "Winchester"
311.0    USAF ACC Command Posts Pimary
321.0    USAF ACC Command Posts Secondary
381.3    USAF ACC Command Posts
319.4    USAF AMC Command Posts  
349.4    USAF AMC Command Posts
252.1    USAF Reserve Command Posts
351.2    USAF Reserve Command Posts
364.2    USAF NORAD AICC Primary

ARINC En Route Service

The ARINC En Route Service is available to aircraft above 20,000 feet and on the ground at select airports. Base is "San Francisco Radio" except on Gulf Net, Maritime Net and Mex Net which are "New York Radio."

• ARINC En Route Service Coverage Maps
• ARINC Voice and Data Communications

128.9    Southwest USA
129.4    Northeast and Great Lakes USA / Canada West Coast and Anchorage
129.45   Central East Coast USA / Iowa and Surrounding Area USA
129.85   Northwest USA
129.9    Maritime Net (Northeast Coast USA)
130.2    Tennessee and Surrounding Area USA / Colorado and Utah USA
130.4    Rocky Mountains (North) USA
130.7    Gulf Net (Caribbean) / Mex Net (Mexico)
130.8    Southern California USA
131.175  Southeast USA
131.3    West Central USA
131.65   South Central USA
131.8    North Central USA
131.95   Pacific Net (West Coast USA)

Aircraft Communications Addressing and Reporting System (ACARS)

ACARS data is used to send messages to and from commercial airlines' aircraft.

129.125  United States
130.025  United States
131.125  United States (High Traffic Areas) 
131.55   United States 
130.450  United States (High Traffic Areas)
136.8    United States
136.85   United States

Federal Aviation Administration

• Federal Aviation Administration

Air Route Traffic Control Centers (ARTCC)

• Each Center is indexed at the ARTCC article.

Finding Air Traffic Frequencies

Finding Air Traffic Frequencies