J Maddock Airport (IL38) — Big Rock, IL

J Maddock Airport (IL38)
IL38
J Maddock Airport (IL38)
Big Rock, IL
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J Maddock Airport (IL38) is a private-use airport located in Big Rock, IL. The airport sits at an elevation of 705 feet above mean sea level. It features 1 runway.

Location & QuickFacts
FAA Information Effective 2026-09-03
Airport Identifier IL38
Airport Status Operational
Longitude/Latitude 88°31'55.2780" W / 41°46'1.1040" N
-88.532022 / 41.766973 (Estimated)
Elevation 705.00 ft / 214.88 m (Estimated)
From nearest city 1 nautical miles SE of Big Rock, IL
Location Kane County, IL
Owner & Manager
Ownership Privately owned
Owner JAY B. MADDOCK
Address PO BOX 585
SUGAR GROVE, IL 60554-0232
Phone number 630-466-7523
Manager JAY B. MADDOCK
Address PO BOX 585
SUGAR GROVE, IL 60554-0232
Phone number 630-466-7523
Airport Operations and Facilities
Airport Use Private
Wind indicator Yes
Segmented Circle No
Control Tower NON-ATCT
Landing fee charge No
Sectional chart CHICAGO
Region AGL - Great Lakes
Responsible ARTCC ZAU - CHICAGO
Tie-in FSS IKK - KANKAKEE
FSS on Airport No
FSS Toll Free 1-800-WX-BRIEF
Runway Information
Runway E/W
Dimensions 2600 x 70 ft (792 x 21 m)
Surface TURF (GOOD)
Surface treatment
E W
Traffic pattern Left Right
Remarks
  • FOR CD CTC CHICAGO APCH AT 847-289-0926.