680 LAWS OF MARYLAND. [CH. 316

airports, landing fields, air schools, flying clubs, air beacons,
or other air navigation facilities shall first be approved
by the commission before they or any of them shall be so
used or operated. It shall be unlawful for any airport,
landing field, air school, flying club, air beacon, or other
air navigation facility to be used or operated without the
approval of the commission, provided, however, that no
license, rule, order, or regulation promulgated under the
authority of this section or of this entire act shall apply
to airports, landing fields, air beacons, air markings, or
other air navigation facilities owned or operated by the
Government of the United "States or by this state. The
commission is hereby authorized to issue a certificate of
its approval in each case and to make the following charges
therefor:

For the issuance of each certificate of registration of
each federal license for pilots and aircraft, no fee shall be
charged.

For issuance of each four year airport license

no charge

For issuance of each four year landing field license

no charge

For issuance of each four year air school license

no charge

For issuance of each annual flying club license

no charge

For issuance of each four year air beacon license, no
fee shall be charged.

For issuance of each four year other air navigation
facility license, no fee shall be charged.

Upon application by any applicants for a license for an
airport, landing field, air school, flying club, air beacon or
other air navigation facilities the Commission may refuse
to grant such license to said applicants when said Commis-
sion has reasonable grounds to believe, based on public
health, public morals, public safety and public welfare, that
the granting of any of said licenses to any of said applicants
would endanger or be detrimental to the health, morals,
safety or welfare of inhabitants of this State. Upon appli-
cation by any applicant for a license for an airport, landing
field, air school or air beacon not heretofore used or oper-
ated, applicant shall post a conspicuous notice on the prop-
erty affected, thirty days before applying for said license,
and said notice shall set out the use for which the said
license is asked and the date of the said application.

In any case where the commission rejects an application
for permission to operate or establish an airport, landing