Section 49: Authority to Prevent Flight.

(1) The Authority shall have the power to direct an operator or airman of a civil aircraft not to operate in any situation where the-
(a) aircraft may not be airworthy;
(b) airman may not be qualified or physically or mentally capable for the flight; or
(c) operation would cause imminent danger to any person or property on the ground.
(2) The Authority may take such steps as is necessary to detain such aircraft or airman.