It shall be unlawful for aircraft to be over the city at less than the minimum safe altitude of flight, as hereinafter defined:
   (A)   The minimum safe altitudes of flight in taking off or landing and while flying over the property of another in taking off or landing, are those at which such flights by aircraft may be made without being in dangerous proximity to persons or property on the land beneath, or unsafe to the aircraft.
   (B)   Minimum safe altitudes of flight over congested parts of the city are those sufficient to permit a reasonable safe emergency landing, but in no case less than 1,000 feet.
   (C)   The minimum safe altitudes of flight in all other cases shall be not less than 500 feet.
('86 Code, § 9.08.010) (Ord. 1715, passed  - - )  Penalty, see § 1.12.010