298.53—Suspension or revocation of authority.
A Commuter Air Carrier Authorization may be suspended or revoked if any of the following occur:
(a)
The operator fails to maintain insurance coverage as required by part 205 of this chapter for commuter operations;
(b)
The scheduled passenger authority under the operator's Air Carrier Certificate is suspended or revoked by the Federal Aviation Administration;
(c)
The operator does not commence operations for which it has been found fit, or the operator ceases those operations as provided in § 204.7 of this chapter ;
(d)
The Department finds that the carrier is not fit, willing, and able to conduct scheduled service or fails to qualify as a citizen of the United States; or