When is a traveler required to provide transportation non-availability documentation?
Transportation non-availability documentation is required when the AO determines a U.S.-certificated air carrier is unavailable and authorizes/approves commercial air transportation on a non-U.S.-certificated air carrier. Documentation explaining why U.S.-certificated air carrier service is not available must be provided to the traveler. An endorsement on the travel authorization/order and/or Government travel procurement document, made IAW Service regulations, is acceptable. The documentation should include the traveler’s name, non-U.S.-certificated ship(s) or air carrier(s) used, flight identification no(s), origin, destination and en route points, date(s), justification, and authorizing/approving official’s title, organization and signature. 7. If a traveler has been authorized/approved to travel using non-U.S.-certificated air carrier service and the only available accommodations are other than economy/coach (e.g., First and Business) – class, does the traveler still need authoriza
