1016 LAWS OF MARYLAND. [CH. 422

license fees not exceeding |25. 00 for each original license, and
not exceeding f 10. 00 for each renewal thereof. Upon the
promulgation of a rule or regulation providing for such licens-
ing, the Commission shall with reasonable dispatch, upon
receipt of an application for an original license and the pay-
ment of the duly required fee therefor, issue an appropriate
license if it is satisfied that the airport conforms to minimum
standards of safety, which shall not be more rigid than those
recommended by the Civil Aeronautics Administration for
comparable airports, and that safe air traffic patterns can
be worked out for such airport and for all existing airports
and approved airport sites in its vicinity. All licenses shall
be renewable annually upon payment of the fees prescribed.
Licenses and renewals thereof may be issued subject to any
reasonable conditions that the Commission may deem neces-
sary to effectuate the purposes of this section. The Commis-
sion may, after notice and opportunity for hearing to the
licensee, revoke any license or renewal thereof, or refuse to
issue a renewal, when it shall reasonably determine (1) that
there has been an abandonment of the airport as such, or (2)
that there has been a failure to comply with the conditions of
the license or renewal thereof, or (3) that because of change
of physical or legal conditions or circumstances the airport
has become either unsafe or unusable for the aeronautical
purposes for which the license or renewal was issued. It shall
be unlawful for any municipality, or officer or employee
thereof, or any person to operate an airport without an
appropriate license for such, as may be duly required by rule
or regulation issued pursuant to this subsection.

(c) (Public Hearings. ) In connection with the grant of
approval of a proposed airport site or the issuance of an air-
port license under subsections (a) and (b) of this section, the
Commission may, on its own motion or shall upon request,
hold a hearing open to the public as provided in Section 27.

(d) (Exemptions. ) The provisions of this section shall not
apply to airports owned or operated by the United States.
The Commission shall, from time to time, to the extent neces-
sary, exempt any other class of airports, pursuant to a rea-
sonable classification or grouping, from any rule or regulation
promulgated under this section or from any requirement of
such a rule or regulation, if the application of such rule,
regulation or requirement would be an undue burden on such
class and is not required in the interest of public safety.

27. (Investigations, Hearings. )

(a) (General Power, Accidents, Witnesses, Subpoenas,
Court Order. ) The Commission, any member thereof assigned