Flights under bridges and similar structures, transmission lines and antennas

Applicable legislation: Regulation on the Rules of the Air (Pravilnik o letenju zrakoplova) OG 32/18

Approval for flights under bridges and similar structures and transmission lines and antennas can be issued only for the purpose of spraying chemicals for pest control and similar activities in agriculture and forestry.


Operators shall submit application for approval of flights under bridges and similar structures, transmission lines and antennas containing the following data:

  • Name and address of the operator,
  • Type of operation requested (e.g. photography, filming)
  • Type of aircraft and registration mark
  • Pilot(s) information (name and surname, number and type of pilot licence)
  • Area of operation
  • Purpose of flights
  • Date or time period of operation
  • Details of the area and planned flight altitude


The following documents must be submitted with the application:

  • safety assessment that contains identified dangers, risk assessment and mitigation measures for the type of operation required and area of operation
  • Certificate of registration
  • Certificate of airworthiness, airworthiness review certificate (if applicable)
  • valid licences, ratings and pilot medical certificates for the flight crew involved in operations
  • Certificate of Insurance - third party liability according to Regulation 785/2004
  • Detailed map of the area of operation with the exact distances from populated areas and the airport
  • Noise certificate (if applicable)
  • Written statement of the owner of the property (if applicable – e.g. if there is a risk of damage to a property or people in the area of operations, etc.)
  • Administrative Fee in the amount of 20HRK.
  • Pilot Log Book