14 CFR §121.93
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)Each certificate holder conducting domestic or flag operations seeking a route approval must show—
- (b)Paragraph (a) of this section does not require actual flight over a route or route segment if the certificate holder shows that the flight is not essential to safety, considering the availability and adequacy of airports, lighting, maintenance, communication, navigation, fueling, ground, and airplane radio facilities, and the ability of the personnel to be used in the proposed operation.