ATC
IBAC Reports on Improved North Atlantic Separation Standards
IBAC Reports on Improved North Atlantic Separation Standards

Reduced longitudinal separation minimum [RLongSM], an ATC pilot program in the North Atlantic, produced no safety events during a nine-month evaluation period last year. "Normal longitudinal separation is ten minutes," explained Dave Stohr, president of Air Training International. "The trial was running with five minutes between appropriately equipped and approved aircraft."