Sec. 22.821  Authorization for airborne mobile stations.

    An authorization separate from any ground station authorization is 
required for each airborne mobile station that operates on the channels 
listed in Sec. 22.805. The operator of the airborne mobile station must 
apply for the authorization (FCC Form 409). The application must contain 
an affirmative representation that the applicant has made definite 
arrangements with a wireline common carrier for service and billing.

                 Commercial Aviation Air-Ground Systems