Glossary of Airline Terminology

Charter Rules

The United States has negotiated several types of charter arrangements with other countries. In several cases, the U.S. government has signed bilateral agreements covering only charter air services, or it has approved provisions for charters in the form of letter exchanges or memoranda of understanding. More frequently, the United States negotiates a charter annex to the standard bilateral agreement. There are two basic types of charter annexes: (1) Country-of-Origin, in which charter air services may be performed by either party’s airlines according to the charterworthiness rules that are effective in the country-of-origin of the traffic; (2) Double Country-of-Origin (Belgian Rules), which dictates that charter air services may be performed by either party’s airlines, from either territory, according to the rules of charterworthiness of either country.

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