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.”
Wire strikes–long the bane of low-altitude rotorcraft and agplane operations–could be reduced if a system now undergoing testing on both sides of the Atlantic is able to supplement or even replace marker balls and continuously flashing strobes. It could also aid other low-flying aircraft in avoiding any obstacles in the flight path.