Reference only — not for real-world navigation.
KC77
Poplar Grove Airport · Poplar Grove
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
858 ft / 262 m
Transition Altitude
18,000 ft
Primary Channel
A/D 121.00 MHz (ROCKFORD APP/DEP)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
12/30 · 3,773 ft · AsphaltLIGHTED09/27 · 2,709 ft · GrassUNLIT17/35 · 2,467 ft · GrassUNLITFlight Planning
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Welcome to the technical flight briefing for Poplar Grove Airport (KC77), located in Poplar Grove, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 858 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Poplar Grove Airport
ICAO / IATA
KC77 / —
Municipality
Poplar Grove
Country
Region
US-IL — Illinois
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
858 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 12 / 30
LIGHTED
Runway Length: 3,773 ft / 1,150 m
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 122.5° / 302.5°
Runway Width: 50 ft / 15 m
Surface Type: Asphalt
Heading: 122.5° / 302.5°
RWY 12 (122.5°)
No ILS / Visual Only
RWY 30 (302.5°)
No ILS / Visual Only
Runway 09 / 27
UNLIT
Runway Length: 2,709 ft / 826 m
Runway Width: 200 ft / 61 m
Surface Type: Grass
Heading: 90.1° / 270.1°
Runway Width: 200 ft / 61 m
Surface Type: Grass
Heading: 90.1° / 270.1°
RWY 09 (90.1°)
No ILS / Visual Only
RWY 27 (270.1°)
No ILS / Visual Only
Runway 17 / 35
UNLIT
Runway Length: 2,467 ft / 752 m
Runway Width: 150 ft / 46 m
Surface Type: Grass
Heading: 176° / 356°
Runway Width: 150 ft / 46 m
Surface Type: Grass
Heading: 176° / 356°
RWY 17 (176°)
No ILS / Visual Only
RWY 35 (356°)
No ILS / Visual Only
A/D ROCKFORD APP/DEP
121.00 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026