Airport information
- FAA LID
- C77
- Coordinates
- 42.3229, -88.8363
- Elevation
- 858 ft MSL
- Magnetic variation
- 3W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE
- NOTAM facility
- IKK
- Attendance
- ALL SR-SS
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1972/10
- Distance from city
- 3 S
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:44 AM | 09:44Z |
| Sunrise | 05:19 AM | 10:19Z |
| Sunset | 08:36 PM | 01:36Z |
| Evening civil twilight Loggable night begins | 09:10 PM | 02:10Z |
Plan a flight from C77
Night operations
- Airport lighting
- SS-SR
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 09 · 093°
- Pattern
- left (turns left)
- TPA
- 1,900 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 09 at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
2,709 ft × 200 ft · Turf (Good)- Heading
- 093° mag · 90° true
- Traffic pattern
- Left
- Heading
- 273° mag · 270° true
- Traffic pattern
- Left
- Approach obstacle
- Tree, 62 ft, 655 ft from threshold, 155 ft R of centerline — 10:1 slope to clear · penetrates the 20:1 visual approach surface
Runway 12/30
3,773 ft × 50 ft · Asphalt (Good)- Heading
- 126° mag · 123° true
- Markings
- basic
- Traffic pattern
- Left
- Displaced threshold
- 500 ft
- Heading
- 306° mag · 303° true
- Markings
- basic
- Traffic pattern
- Left
Runway 17/35
2,467 ft × 150 ft · Turf (Good)- Heading
- 179° mag · 176° true
- Traffic pattern
- Left
- Approach obstacle
- Road, 17 ft, 0 ft from threshold, 0 ft L/R of centerline
- Displaced threshold
- 220 ft
- Heading
- 359° mag · 356° true
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,709 ft | |
| 12/30 | 3,773 ft | |
| 17/35 | 2,467 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 121 | ROCKFORD APP/DEP |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| RFD · Rockford | VOR-DME | 110.80 | r069° / 17.2 NM |
| JVL · Janesville | VOR-DME | 114.30 | r137° / 18.5 NM |
| BUU · Burbun | VOR-DME | 114.50 | r228° / 32.3 NM |
| DPA · Du Page | VOR-DME | 108.40 | r318° / 33.8 NM |
| PLL · Polo | VOR-DME | 111.20 | r052° / 37.4 NM |
| OBK · Northbrook | VOR-DME | 113.00 | r281° / 39.8 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Avionics, Cargo, Charter, Instruction, Rental, Aircraft sales
Ownership & management
Remarks FAA
- THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
- CAUTION: IMPAIRED SIGHT CLNCS BTN RWY ENDS DUE TO ROLLING TRRN.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- RWY 12/30 MARKINGS POOR.
- EMAIL ADDRESS: STEVE@POPLARGROVEAIRMOTIVE.COM (ALL LOWER CASE)
- ALT BLAKE THOMAS
- CLSD WHEN SNOW COVERED EXCP TO SKI ACFT.
- CLSD WHEN SNOW COVERED EXCP TO SKI ACFT.
- NSTD LIRL DUE TO SPACING, INTST & NON-FRANGIBLE MOUNTINGS.
- MKD WITH WHITE BARS UNDER NUMBERS; NO ARROWS.
- MKD WITH THREE CONES ON EACH SIDE OF RWY.
- CALM WIND RWY.
- APCH SLOPE IS 32:1 AT DSPLCD THR.
- APCH SLOPE IS 20:1 AT DSPLCD THR.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open C77 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About C77
Poplar Grove Airport (C77) is an airport in Poplar Grove, IL, at 858 ft MSL. It has 3 runways, the longest 3,773 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for C77, refreshed from the Aviation Weather Center and FAA NASR.
Does C77 have a control tower?
No. Poplar Grove Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at C77?
Poplar Grove Airport has 3 runways; the longest is 3,773 ft. See the Runways tab for headings, surface, and lighting.
Where is C77?
Poplar Grove Airport is in Poplar Grove, IL, at an elevation of 858 ft MSL. Coordinates: 42.3229, -88.8363.
Fly out of C77 often?
Save C77 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.