A380-800 opr constraints exist on runways, twys, & ramps - contact airport operations for info 773-686-2255.

Aircraft are not pmtd to stop on either taxiway a or b bridges.

Aircraft with wingspan greater than 214 ft rqr 48 hours ppr - 773-686-2255.

Alert: dupe alpha-numeric taxiway designators & trml gate designations involving the ltrs b, c, g, h, k, left & m.

All part 91 & unsked part 125, 133 & 135 charter operators contact signature flight support at 773-686-7000 regarding new security regulations prior to dep.

Atct is auth to conduct simul deps from runway 04l/04r, runway 22l/22r, runway 09r with runway 09l or runway 10l, runway 09c with runway 09l or runway 10l, runway 10c with runway 09r or runway 09c, runway 27l with runway 27r or runway 28r, runway 27c with runway 27r or runway 28r, runway 28c with runway 27l or runway 27c with crs divergence beginning no later than 4 miles from runway end.

B747-8 operations not authorized on runway 09r/27l, 09l/27r & 10r/28l.

Be alert: taxiway s1 obnd or eb only, taxiway s2 inbd or wb only, taxiway p1, p2, p3, p5, and p6 nb only, taxiway e1, e2, e3 & e4 sb only. taxiway e3 wb only from runway 09c/27c.

Be alert: the northeast/southwest portion of taxiway yy is not vsbl from the center atct.

Birds on & in vicinity of airport; pyrotechnics & bird cannons in use.