Known Crewmember Debuts in Seattle

September 13, 2011 - At 4 a.m. PDT, Seattle-Tacoma Int’l Airport joined Chicago O’Hare Int’l and Miami Int’l as a test site for the Known Crewmember (KCM) program. Two checkpoints are located at each end of Sea-Tac Airport—at the exit for the A concourse at the far south end, and another just north of the United Airlines ticket counters in the D concourse.