| A110-1 | Airport nighttime noise abatement procedures are in effect from 2200 to 0700; contact airport manager on 773-686-2255. |
| A110-10 | Magnetic deviation possible immediately west of taxiway M7 and runway 22L approach on taxiway M. |
| A110-12 | Personnel and equipment working near various taxiways. |
| A110-16 | Periodic fire department training at north sector of the airport. |
| A110-2 | Birds on and in vicinity of airport. Pyrotechnics and bird cannons in use for bird control. |
| A110-20 | Prim RUN-UP location ground run up enclosure; secondary run up locations available upon req contact city operations 773-686-2255. |
| A110-21 | Taxi into position and hold waiver in effect after dark at the following intxns; runway 32L at taxiways 'T-10' and taxiway 'M', runway 28 at taxiway zy and zv, runway 14L at taxiways 'U' and 'V' and runway 32R at taxiway 'V' and runway 10 at taxiway zh. These runways will be used for departures only when exercising the provisions of this waiver. |
| A110-23 | All part 91 and unsked part 125, 133 and 135 charter operators contact signature flight support at 773-686-7000 reqarding new security regulations prior to departure. |
| A110-24 | Runway H1 approach departure paths are east and west. |
| A110-25 | B747-400'S, B777-300'S or A340-600'S cannot pass on taxiways 'A' and 'B' insufficient wingtip clearance. |
| A110-27 | Be alert: that portion of taxiway 'Y' between taxiway 'T' and the united airlines hangar is not vsbl from air traffic control tower. |
| A110-28 | General aviation ramp and FBO located at the north east ramp vicinity of 27L approach |
| A110-30 | Be alert: waivered air traffic separation standards in effect for traffic landing runway 14R and departing runway 28, whereby landing traffic on runway 14R will be past the landing threshold as runway 28 departures pass through the intersection of the two runways. |
| A110-31 | Taxiway 'K1' outbound or eastbound only, taxiway 'K2' in bound or westbound only and taxiway 'SS northbound only exiting runway, taxiway 'V' westbound only between taxiway 'WT' and 'KK'; taxiway 'LL'NORTHBOUND only between runway 14L/32R and taxiway 'MM'. |
| A110-32 | Air traffic control tower is auzd to conduct arrivals to runways 14L and 14R while conducting simultaneous opposite direction departures off of runways 09R and 28 during ifr weather conds. Air traffic control tower is auzd to conduct simultaneous converging inst approaches to runways 14R and 22R while conducting simultaneous opposite direction departures off of runways 09R and 28 during ifr weather conds. |
| A110-34 | Taxiway V restricted to aircraft less than 117 ft wingspan or wheelbase less than 30 ft (design group 4-5-6) between taxiway kk and taxiway ll. |
| A110-36 | Air traffic control tower is auzd to conduct simultaneous opposite direction departures on runways 09R and 28 during instrument flight rules (ifr) weather conds. |
| A110-37 | ASDE-X surveillance system in use: pilots should operate transponders with mode C on all taxiways and runways. |
| A110-6 | Aircraft with wingspan greater than 214 ft rqr 48 hours prior permission required - please call 773-686-2255. |
| A110-7 | See land and hold short operations section. |
| A110-8 | During periods of cold weather; the app end of runway 32R may not be visible from the air traffic control tower due to steam plume from airport heating plant. |
| A110-9 | Be alert: of duplicate ALPHA-NUMERIC taxiway designators and terminal gate designations involving the letters G, H, K L and M. |
| A30-14R/32L | Possible low level turbulence on approach end runway 14R. |
| A30A-04R | Arresting gear/system: engineered materials arresting system (EMAS) 490 ft in length by 170 ft in width located at the departure end of runway 04R. |
| A30A-22L | Arresting gear/system: engineered materials arresting system (EMAS) 303 ft in length by 170 ft in width located at the departure end of runway 22L. |
| A5 | And du page co. |
| A57-14L | 50:1 from displaced threshold. |
| A81 | Out of service indefinitely. |
