Specialised operation (SPO) means any operation other than commercial air transport where the aircraft is used for specialised activities such as agriculture, construction, photography, surveying, observation and patrol or aerial advertisement. Specialised operations are also listed in the Guidance Material (GM) of Reg. No 965/2012 (GM1 SPO. GEN.005). This GM mentions the following explanatory examples: helicopter external loads operations, human external cargo operations, glider towing, parachute operations or acrobatic flights.
High-risk commercial specialised operation means any commercial specialised aircraft operation carried out over an area where the safety of third parties on the ground is likely to be endangered in the event of an emergency, or, as determined by the competent authority of the place where the operation is conducted, any commercial specialised aircraft operation that, due to its specific nature and the local environment in which it is conducted, poses a high-risk, in particular to third parties on the ground.