1. This equates to the equivalent of filling 14 different Boeing 747 freight aircraft . 2. The air controller identified the freight aircraft as flying for package delivery service DHL. 3. Freight aircraft are used to deliver cargo.4. The air controller also identified the freight aircraft as flying for packaged delivery service, DHL. 5. The agency said it will propose design changes for the freight aircraft in a future, separate rulemaking proposal. 6. Additional freight aircraft are jointly operated under the Air France-KLM Cargo brand, in which Martinair participates. 7. It is also used as a freight aircraft and corporate transport, and by several governmental and military organisations. 8. In August 2016, Air Incheon signed a letter of intent for 3x Boeing 737-800NG freight aircraft . 9. Another example is that the Lule?Airport in Sweden was extended to to allow any fully loaded freight aircraft to take off. 10. On 13 May 1957, a DC-4 freight aircraft operated by US Overseas Airlines hit the icecap on approach to Narsarsuaq.