14 CFR 398.3 - Specific airports.
(a) At an eligible place, essential air service may be specified as service to a particular airport. In the case of hyphenated places, essential air service will be specified as service to more than one airport only if clearly necessary and if the multi-airport service is economically feasible and justified on the basis of traffic levels at those airports.
(b) At a hub, essential air service is not usually specified as service to a particular airport.
Title 14 published on 2015-11-17.
No entries appear in the Federal Register after this date, for 14 CFR Part 398.