The operation of unmanned aerial systems and model aircraft is normally prohibited
a) beyond the operator's visual line of sight,
b) bover and within a lateral distance of 100 meters from gatherings of people, scenes of accidents, disaster areas and other sites where security authorities and organizations are deployed as well as over mobile facilities and troops of the Federal Armed Forces within the context of notified manoeuvres and exercises.
c) over and within a lateral distance of 100 meters from boundaries of industrial plants, prisons, secure psychiatric units, military installations and organisations, energy generation and distribution plants as well as over facilities that are used for activities subject to authorization of protection level 4 within the meaning of the Biological Agents Ordinance unless the operator of the installation has explicitly expressed his consent to the operation,
d) over and within a lateral distance of 100 meters from property being the seat of constitutional bodies of the Federal Government and the federal states or top-level and higher-level Federal Government and federal state authorities or diplomatic missions or consular offices and international organisations within the context of international law as well as property of the police and other security authorities unless the body has explicitly expressed its consent to the operation,
e) over and within a lateral distance of 100 meters from federal trunk roads, federal waterways and railway installations unless the competent body has explicitly expressed its consent to the operation,
f) over nature conservation sites within the meaning of Section 23(1) of the Federal Nature Conservation Act, national parks within the meaning of Section 24 of the Federal Nature Conservation Act and areas within the meaning of Section 7(1)(6) and (7) of the Federal Nature Conservation Act unless the operation of unmanned aircraft in these areas is differently governed by provisions established by the federal state authorities,
g) over residential property if the take-off mass of the device is more than 0.25 kg or if the device or its equipment are able to receive, transmit or record optical, acoustic or radio signals unless the owner or another authorised user whose rights are affected by the operation over the residential property has explicitly expressed his consent to the overflight,
h) at altitudes over 100 metres above ground level unless operation is at a site for which general permission to fly model aircraft has been granted and for which a supervisor has been appointed or, unless the device is a multicopter, the operator holds a valid pilot's licence or has a certificate of knowledge;
i) in control zones, notwithstanding Section 21, unless the altitude does not exceed 50 meters above ground level,
j) for the carriage of explosives and pyrotechnical articles, radioactive materials, dangerous substances and mixtures within the meaning of Section 3 of the Hazardous Substances Ordinance, biological agents of hazard groups 2 to 4 within the meaning of Section 3(1) of the Biological Agents Ordinance as well as objects, liquids or gaseous substances that are likely to cause panic, fear or fright when dropped or released,
k) over and within a lateral distance of 100 meters from boundaries of hospitals.