Poplar Grove, Illinois

C77 Poplar Grove

Poplar Grove (C77) is a non-towered, public-use airport in Poplar Grove, Illinois, at 857.4 ft MSL. It has 3 runways: 09/27 (2,709 by 200 ft, turf), 12/30 (3,773 by 50 ft, asphalt), 17/35 (2,467 by 150 ft, turf). CTAF 122.8.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
FAA C77
Location
Poplar Grove, Illinois (Boone County). 3 NM S of the city center
Elevation
857.4 ft MSL
Position
42.3229° N, 88.8363° W
Control tower
No, non-towered
Sectional chart
Chicago
Magnetic variation
3° W (2025)
Fuel
100LL
Ownership
Privately owned, open to the public
Attendance
Daily SR-SS

3 runways

Runways

RunwayLength × widthSurfaceEdge lights
09/272,709 × 200 ftTurf, good conditionNot listed
12/303,773 × 50 ftAsphalt, good conditionLow intensity
17/352,467 × 150 ftTurf, good conditionNot listed

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
09Left trafficNone listedNone listedNone listedNot listed
27Left trafficNone listedNone listedNone listedNot listed
12Left trafficNone listedNone listed500 ftNot listed
30Left trafficNone listedNone listedNone listedNot listed
17Not statedNone listedNone listed220 ftNot listed
35Not statedNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
122.8
UNICOM
122.8
Approach / departure
121.0
"Rockford"

Before you go

Brief C77 in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Poplar Grove, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.