(5) USA TODAY (2000),"Security Vows Sputter as Pan Am 103 Memories Fade May15,2000 (6) Scotland on Sunday(2000), "Undercover Team Finds Gaping Hole in Airport Security, " November 19, 2000(Peter Laing, correspondent) (7) Reuters Limited (2000), "Terrorism Fears Hammer Global Airline Stocks, October 14, 2000( dispatch by Bradley Perrett, European Airlines Correspondent (8) Barnett, A, G Paull, and J. ladeluca(2000),Fatal US Runway Collisions Over the Next Two Decades, Air Traffic Control Quarterly, Volume 8, Number 4 (9) Barnett, A(2000),"Free-Flight and En Route Air Safety: A First-Order Analysis, Operations Research, November-December 2000 1111 (5) USA TODAY (2000), “Security Vows Sputter as Pan Am 103 Memories Fade,” May 15, 2000 (6) Scotland on Sunday (2000), “Undercover Team Finds Gaping Hole in Airport Security,” November 19, 2000 (Peter Laing, correspondent) (7) Reuters Limited (2000), “Terrorism Fears Hammer Global Airline Stocks,” October 14, 2000 (dispatch by Bradley Perrett, European Airlines Correspondent (8) Barnett, A., G. Paull, and J. Iadeluca (2000), “Fatal US Runway Collisions Over the Next Two Decades,” Air Traffic Control Quarterly, Volume 8, Number 4 (9) Barnett, A. (2000), “Free-Flight and En Route Air Safety: A First-Order Analysis,” Operations Research, November-December 2000