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Each Center is indexed at the [[ARTCC]] article.
 
Each Center is indexed at the [[ARTCC]] article.
  
== MWARA ==
+
== HF ==
[[MWARA]] Major World Air Route Areas support HF Radio communications to aircraft outside of VHF range.  
+
*[[MWARA]] - Major World Air Route Areas support HF Radio communications to aircraft outside of VHF range.
 +
*[[VOLMET]] - Oceanic Weather
  
 
== Finding Air Traffic Frequencies ==
 
== Finding Air Traffic Frequencies ==

Revision as of 17:56, 13 April 2017

Common VHF Frequencies

In the US the civil aircraft communications band (118-137 MHz) generally uses 25 kHz spaced channels.

As of 2010 aeronautical enroute and flight test stations may use 8.33 kHz spaced channels in the 121.4-123.6, 128.825-132.0 and 136.5-136.875 MHz ranges.


Frequency  Type  Tone  Alpha Tag  Description  Mode  Tag 
121.50000  CSQ  VHF Guard Aircraft Emergency and Distress (VHF Guard)  AM  Aircraft 
121.95000  CSQ  AvSup 121.95 Aviation Support  AM  Business 
122.75000  CSQ  Air-Air 122.750 Aircraft air-to-air  AM  Aircraft 
122.77500  CSQ  AvSup 122.775 Aviation Support  AM  Business 
122.85000  CSQ  Multi 122.85 Multicom, Aviation Support  AM  Aircraft 
122.90000  CSQ  Multi 122.9 Multicom, Search and Rescue Training  AM  Aircraft 
122.92500  CSQ  Multi 122.925 Multicom - Special Use, Natural resource management  AM  Aircraft 
123.02500  CSQ  Helo Air-Air Helicopter Air-to-Air  AM  Aircraft 
123.10000  CSQ  SAR Primary Search and Rescue primary, ATC for special events secondary  AM  Aircraft 
123.12500  CSQ  FlightTest123.12 Flight Test itinerant  AM  Business 
123.15000  CSQ  FlightTest123.15 Flight Test itinerant  AM  Business 
123.17500  CSQ  FlightTest123.17 Flight Test itinerant  AM  Business 
123.20000  CSQ  FlightTest123.2 Flight Test  AM  Business 
123.22500  CSQ  FlightTest123.22 Flight Test  AM  Business 
123.25000  CSQ  FlightTest123.25 Flight Test  AM  Business 
123.27500  CSQ  FlightTest123.27 Flight Test  AM  Business 
123.30000  CSQ  AvSup 123.3 Aviation Support  AM  Business 
123.32500  CSQ  FlightTest123.32 Flight Test  AM  Business 
123.35000  CSQ  FlightTest123.35 Flight Test  AM  Business 
123.37500  CSQ  FlightTest123.37 Flight Test  AM  Business 
123.40000  CSQ  FlightTest123.4 Flight Test itinerant  AM  Business 
123.42500  CSQ  FlightTest123.42 Flight Test itinerant  AM  Business 
123.45000  CSQ  FlightTest123.45 Flight Test/Unofficial Air-to-Air  AM  Business 
123.47500  CSQ  FlightTest123.47 Flight Test  AM  Business 
123.50000  CSQ  AvSup 123.5 Aviation Support  AM  Business 
123.52500  CSQ  FlightTest123.52 Flight Test  AM  Business 
123.55000  CSQ  FlightTest123.55 Flight Test  AM  Business 
123.57500  CSQ  FlightTest123.57 Flight Test  AM  Business 
126.20000  CSQ  MilCom 126.2 Military Common (advisory)  AM  Aircraft 
134.10000  CSQ  MilCom 134.1 Military Common (advisory)  AM  Aircraft 
135.85000  CSQ  FltIns135.85 FAA Flight Inspection  AM  Federal 
135.95000  CSQ  FltIns135.95 FAA Flight Inspection  AM  Federal 
122.20000  CSQ  Flt Watch Wx Flight Watch Weather  AM  Aircraft 
129.52500  CSQ  Deicing Comm Deicing Common  AM  Business 
121.77500  CSQ  ELT Training Emergency Locator Transmitter (ELT) Training Beacons  AM  Aircraft 
122.70000  CSQ  FAA 122.700 Unicom  AM  Aircraft 
122.72500  CSQ  FAA 122.725 Unicom  AM  Aircraft 
122.80000  CSQ  FAA 122.8 Unicom  AM  Aircraft 
122.97500  CSQ  FAA 122.975 Unicom  AM  Aircraft 
123.00000  CSQ  FAA 123.000 Unicom  AM  Aircraft 
123.05000  CSQ  FAA 123.05 Unicom  AM  Aircraft 
123.07500  CSQ  FAA 123.075 Unicom  AM  Aircraft 
122.95000  BM  CSQ  Unicom 122.95 Unicom - Controlled Airports  AM  Aircraft 


From Appendix 2 of FAA Spectrum Management Regulations and Procedures Manual and 87.173 Aeronautical Frequency Table (See references below)

118.0000 - 121.4000  Air Traffic Control
121.4250 - 121.4500  Govt AWOS/ASOS
121.4750 - 121.5250  Band Protection for 121.5
121.5500 - 121.5750  Govt AWOS/ASOS
121.6000 - 121.9250  Air Traffic Control (Old gnd ctrl freq band)
121.7750             SAR ELT Location training
121.9750             FSS Private Aircraft Advisory
122.0000 - 122.0500  En Route Flight Advisory Service (EFAS)
122.0750 - 122.6750  FSS Private Aircraft Advisory
122.7000 - 122.7250  Unicom - Uncontrolled Airports
122.8000             Unicom - Uncontrolled Airports
122.8250             Domestic VHF
122.8750             Unicom, Domestic VHF
122.9500             Unicom - Airports with full time ATCT or FSS
122.9750 - 123.0000  Unicom - Uncontrolled Airports
123.0500 - 123.0750  Unicom - Uncontrolled Airports
123.1250 - 123.1750  Flight Test itinerant
123.2000 - 123.2750  Flight Test
123.3250 - 123.3750  Flight Test
123.4250 - 123.4750  Flight Test
123.5250 - 123.5750  Flight Test
123.6000 - 126.8000  Air Traffic Control
128.8250 - 132.0000  Operational Control
132.0250 - 136.4750  Air Traffic Control
136.5000 - 136.8750  Domestic VHF
136.9000 - 136.9750  International and Domestic VHF


Common UHF Frequencies

In recent years many PMSV stations have moved off of the four older nationwide common frequencies.

243.0000  Aircraft Emergency and Distress (UHF Guard)
257.8000  Air Traffic Control (Military Common)
282.8000  Search and Rescue
255.4000  FAA Flight Service Stations
296.7000  FAA Flight Service Stations
239.8000  PMSV (Pilot to Metro Service - weather advisory)
342.5000  PMSV
344.6000  PMSV
375.2000  PMSV
303.0000  Air-to-air "Winchester"
311.0000  USAF ACC Command Posts Pimary
321.0000  USAF ACC Command Posts Secondary
381.3000  USAF ACC Command Posts
319.4000  USAF AMC Command Posts  
349.4000  USAF AMC Command Posts
252.1000  USAF Reserve Command Posts
351.2000  USAF Reserve Command Posts
364.2000  USAF NORAD AICC Primary
380.0000  FAA Flight Inspection/ SMO Ground Personnel
380.1000  FAA Flight Inspection/ SMO Ground Personnel


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."

VHF en route frequencies changed effective 04 Apr 2012:

128.9000  Southwest USA
129.4000  Northeast USA / Canada West Coast and Anchorage
129.4500  East Central USA
131.8000  Northwest USA
129.9000  Maritime Net (Northeast Coast USA)
130.7000  Mexico / Carribean
131.1750  Southeast USA
130.4000  West Central USA
131.9500  Pacific Net (West Coast USA and Hawaii)


Aircraft Communications Addressing and Reporting System (ACARS)

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

Frequency  Type  Alpha Tag  Description  Mode  Tag 
131.72500  BM  ACARS SITA Base Base Frequency  Telm  Data 
129.35000  BM  SITA 129.35 En Route  Telm  Data 
130.87500  BM  SITA 130.875 Terminal  Telm  Data 
131.65000  BM  SITA 131.650 Terminal  Telm  Data 
128.97500  BM  SITA 128.975 Terminal - Spare  Telm  Data 
131.00000  BM  SITA 131.000 Terminal - Spare  Telm  Data 
131.47500  BM  SITA 131.475 DataPlus (Air Canada) En Route  Telm  Data 



Balloon Operations

123.3000 Common air-to-ground (pilot-to-chase crew), shared with glider ops.
123.5000 Common air-to-ground (pilot-to-chase crew), shared with glider ops.
122.7500 Common air-to-air
122.0000 AFSS Weather requests


Blimps

Heavy Lift Helicopters

Other Aircraft Frequencies

ILS, DME, VOR and TACAN

Marker Beacon

75.0000 MHz

Non-Directional Beacon (NDB)

190 - 530 kHz
1600 - 1800 kHz

Federal Aviation Administration

Air Route Traffic Control Centers (ARTCC)

Each Center is indexed at the ARTCC article.

HF

  • MWARA - Major World Air Route Areas support HF Radio communications to aircraft outside of VHF range.
  • VOLMET - Oceanic Weather

Finding Air Traffic Frequencies

Finding Air Traffic Frequencies

Related Links

USA

Canada

References





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