§121.99. Communications facilities—domestic and flag operations. — Inbound Citations

(a) Except as provided in paragraph (b) of this section for a certificate holder conducting flag operations, no person may dispatch an airplane over an approved route or route segment unless the communication and navigation facilities required by §§ 121.99 and 121.103 for the approval of that route or segment are in satisfactory operating condition.

(a) Each certificate holder conducting domestic or flag operations must record each en route communication between the certificate holder and its pilots using a communication system as required by § 121.99 of this part.

(2) That the facilities and services required by §§ 121.97 through 121.107 are available and adequate for the proposed operation.