Standard Instrument Departure 1 (SID) : A pre-planned IFR air traffic control departure procedure providing transition from the terminal to the en-route airway structure
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}