Helicopter Bell HH-1K Iroquois Serial 6323 Register N6166R 157199 used by US Navy USN. Aircraft history and location Aircraft History 157199 US Navy US Navy HAL-4 /NW-201 wfu 1989, to civ as N6166R HAL-4 1993-03-16 A AMARC / AMARG at AMARC as 7H197 N6166R - 1996-04-04w/o 04apr96 at Vail, Washington canc Jun02 Send Updates Use APP to upload photo @ (optional) When Now? / / Send