Any aircraft operation for remuneration or hire.
An aircraft operation involving the transport of passengers, cargo or mail for remuneration or hire.
An aircraft operation in which an aircraft is used for specialised services such as agriculture, construction, photography, surveying, observation and patrol, search and rescue, aerial advertisement, etc.
An aircraft operation by a commercial operator for or without remuneration or hire.
ICAO Annex 6
Chapter 1. Definitions
Commercial air transport operation. An aircraft operation involving the transport of passengers, cargo or mail for remuneration or hire.
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