DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Chicago TRACON
1100 Bowes Road
Elgin, IL 60123

Issued: 12/13/2022 1858 (UTC) Effective: 12/16/2022 1200 (UTC)
Chicago TRACON Letter to Airmen: LTA-C90-17
****Expired****

Subject: Commissioning of new Lewis Federal Contract Tower and Class D airspace

Cancellation: 12/28/2023 1200 (UTC)

A new Federal Contract Tower (FCT) and associated Class D airspace for Lewis University airport (KLOT) will become operational on December 29, 2022.

  • Lewis Tower hours of operation: 0600-2000 Local
  • The airspace will be Class D when Lewis Tower is operational and Class G when Lewis Tower is closed.
  • KLOT is located within Chicago Approach Control (C90) airspace.

The airspace radius is 4.1 NM from the center of KLOT, except for a cutout along I-55 for Bolingbrook’s Clow International airport (1C5).

  • Class D top altitude: 2900’ MSL
  • Lewis Tower frequency: 134.8           
  • ATIS/AWOS: 126.675

Below is an accurate approximation based upon the official coordinates; official charting and NFDD data will be effective 12/29/22.


Eric Hodge
Air Traffic Manager, Chicago TRACON