J MADDOCK
BIG ROCK, IL
Serving Big Rock, Illinois, J Maddock (IL38) is a privately owned, non-towered airport. Its only runway is E/W, measuring 2,600 feet long and 70 feet wide with a turf surface.
The field has no published instrument approaches and is flown under visual flight rules. The airport has no control tower, so pilots self-coordinate traffic using standard see-and-avoid procedures. The field has no fuel sales on record. This is a private-use field, so prior permission is required to operate there.
The airport sits at 705 feet above mean sea level.