Vortex Ring State is a dangerous helicopter flight condition that needs to be avoided or recognised by the pilot. Read all about it here at Pilots Who Ask Why!| Pilots Who Ask Why ‣ Mastering Aviation - One Question at a Time
LOC-I on a low, slow downwind leg. The survivors had not trained with the specific AEA in place. The front crew both became trapped.| Aerossurance
A LOC-I during a tight, decelerating turn downwind while a low time pilot was doing a recce of a possible golf course landing site.| Aerossurance