Sec. 22.805  Channels for general aviation air-ground service.

    The following channels are allocated for the provision of 
radiotelephone service to airborne mobile subscribers in general 
aviation aircraft. These channels have a bandwidth of 20 kHz and are 
designated by their center frequencies in MegaHertz.

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                         Signalling Channel Pair                        
------------------------------------------------------------------------
              Ground                           Airborne mobile          
------------------------------------------------------------------------
454.675                             459.675                             
------------------------------------------------------------------------


                       Communication Channel Pairs                      
------------------------------------------------------------------------
              Ground                           Airborne mobile          
------------------------------------------------------------------------
454.700                             459.700                             
454.725                             459.725                             
454.750                             459.750                             
454.775                             459.775                             
454.800                             459.800                             
454.825                             459.825                             
454.850                             459.850                             
454.875                             459.875                             
454.900                             459.900                             
454.925                             459.925                             
454.950                             459.950                             
454.975                             459.975                             
------------------------------------------------------------------------

    (a) Channel 454.675 MHz is assigned to each and every ground 
station, to be used only for automatically alerting airborne mobile 
stations of incoming calls.
    (b) All airborne mobile channels are assigned for use by each and 
every airborne mobile station.