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01IS William E. Koenig Airport

01IS · Dow, IL · elev 670 ft · TPA 1,700 ft MSL (≈1,000 AGL) · Nontowered

skyready.app/airport/01is live weather · pattern · NOTAMs

Frequencies

Guard121.5

Airport

Coordinates39°0.97'N 90°19.09'W
5,000 ftNxw 180°downwind 090°base 000°final 270°45° entry2709

RWY 27LEFT traffic

Heading
270° true
Dimensions
1,300 ft
TPA
1,700 ft MSL (≈1,000 AGL) · standard
Surface
TURF

Enter the left downwind (heading 090°) on the 45° at 1,700 ft MSL (≈1,000 AGL).

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)

Traffic pattern for the primary runway, drawn on its FAA charted side.

Runways

RunwayHeadingsSizeSurface · lightsPatternILS
09/271,300 ftTurf left