The transportation of passengers or goods by aircraft when a person other than the air carrier operating the aircraft, and other than the carrier's agent, contracts for a block of seats or a portion of the cargo capacity for that person's own use or for resale in whole or in units to members of the public. For Domestic and Other International charter services, statistics are collected for flights using aircraft having a gross take-off weight greater than 15,900 kg (35,000 lb.). For Transborder charters, reports are filed for aircraft with a gross take-off weight greater than 8200 kg (18,000 lb.).