Poplar Grove Airport
C77 · Poplar Grove, IL · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:43 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:19 AM | 10:19Z |
| Sunrise | 05:51 AM | 10:51Z |
| Sunset | 08:11 PM | 01:11Z |
| Evening civil twilight Loggable night begins | 08:43 PM | 01:43Z |
Plan a flight from C77
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 12LEFT traffic
- Heading
- 126° mag · 123° true
- Dimensions
- 3,773 × 50 ft
- TPA
- 1,900 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Displaced thr
- 500 ft
- CTAF
- 122.8
Enter the left downwind (heading 306°) on the 45° at 1,900 ft MSL (≈1,000 AGL).
More details — RWY 12
- Threshold elev
- 856 ft
- Markings
- basic
- TDZ elevation
- 856 ft
Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,709 ft | |
| 12/30 | 3,773 ft | |
| 17/35 | 2,467 ft |
Prefer one flat page? Full runway details for C77 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the C77 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Departure & arrival
“Rockford”ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 327.0 | APCH/P DEP/P |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
JVL 114.30 · DPA 114.55 · OBK 113.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| JVL · Janesville | VOR/DME | 114.30 · 90X | Low | r137° / 18.5 NM |
| DPA · Dupage | VOR/DME | 114.55 · 92Y | Low | r318° / 33.8 NM |
| OBK · Northbrook | VOR/DME | 113.00 · 77X | High | r281° / 39.8 NM |
Prefer one flat list? All C77 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- C77
- Coordinates
- 42.3229, -88.8363
- Elevation
- 857 ft MSL
- Magnetic variation
- 3W
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE · 122.2 · 1-800-WX-BRIEF
- 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
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 under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- 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 2 contacts
Remarks FAA · 13 notes
General
- 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.
Runways
- CLSD WHEN SNOW COVERED EXCP TO SKI ACFT.
- CLSD WHEN SNOW COVERED EXCP TO SKI ACFT.
- MKD WITH WHITE BARS UNDER NUMBERS; NO ARROWS.
- MKD WITH THREE CONES ON EACH SIDE OF RWY.
- CALM WIND RWY.
Lighting
- NSTD LIRL DUE TO SPACING, INTST & NON-FRANGIBLE MOUNTINGS.
Obstructions
- APCH SLOPE IS 32:1 AT DSPLCD THR.
- APCH SLOPE IS 20:1 AT DSPLCD THR.
Contact
- EMAIL ADDRESS: STEVE@POPLARGROVEAIRMOTIVE.COM (ALL LOWER CASE)
- ALT BLAKE THOMAS
Nearby airports
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Also nearby: IL36 Bob Walberg Field (private) (3 NM) · 0LL0 Kaufield Airport (private) (6 NM) · IS83 Untied Acres Airport (6 NM) · IL34 Henderson Field (private) (7 NM) · LL90 McCurdy Strip (private) (8 NM) · LL28 Sd Aero Airport (private) (8 NM)
About C77
Poplar Grove Airport (C77) is an airport in Poplar Grove, IL, at 857 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 in the Comms & NavAids section.
What is the longest runway at C77?
Poplar Grove Airport has 3 runways; the longest is 3,773 ft. See the Runways section for headings, surface, and lighting.
Where is C77?
Poplar Grove Airport is in Poplar Grove, IL, at an elevation of 857 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.
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.