Aviation Terms
| Title | Description |
| J | Juliet |
| JAR OPS | Joint Aviation Requirement for the operation of commercial air transport. Any commercial airline within the European Union flying jet or propeller aircraft has to comply with this standard. EU OPS is the replacement for JAR OPS. |
| JBAA | Japan Business Aviation Association |
| Jet Airliner | A jet airliner is a jet engine powered, wide body heavy airplane that is traditionally used for commercial travel. The term is sometimes contracted to jetliner. See examples of Jet Airliners on JetRequest.com. |
| Jet Card | Card issued by Jet Operators and Charter Brokers to clients who choose to keep funds on account. For convenience, reduced costs, and other reasons, some jet charter flyers will choose to open an account with the Air Charter Operator or Jet Charter Broker of their choice. Most jet cards are purchased in block hours or in a straight dollar for dollar method. |
| Jet Charter | The act of renting or leasing an aircraft with crew for the purpose of private air transportation. Find private jet aircraft available for Jet Charter flights on the Empty Legs and Transient Aircraft pages of JetRequest.com. |
| Jet Charter Broker | One who facilitates the leasing or purchasing of jet charter. A Jet Charter Broker is different from an Air Charter Agent as he does not act on behalf of either the end user of the chartered aircraft or on behalf of the charter operator. A Jet Charter Broker acts as the middleman in acquiring a charter flight for their client. Find listings of Jet Charter Brokers. |
| Jet Lag | A disruption of circadian rhythms, associated with high-speed travel by jet airplane to distant time zones. |
| Jet Stream | At high altitudes, a stream of high speed winds that migrates depending on continental weather patterns. |
| Jet-A | The standard jet fuel in the United States used since the 1950s. |
| Jump Seat | A small, folding seat in some aircraft. |
