Historical clue formulations

• J.F.K. tower grp. — 2016-10-30
• Grp. that coordinates E.T.A. and E.T.D. — 2012-01-15
• Takeoff and landing overseers: Abbr. — 2009-02-10
• Flight coordinators: Abbr. — 2003-08-14
• Flight coordinators: Abbr. — 2000-06-24