Reference only — not for real-world navigation.
RKTU
Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Cheongju
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
191 ft / 58 m
Transition Altitude
14,000 ft
Primary Channel
APP 134.00 MHz (JUNGWON APP)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
06L/24R · 9,000 ft · ConcreteLIGHTED06R/24L · 9,000 ft · ConcreteLIGHTEDFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Cheongju International Airport/Cheongju Air Base (K-59/G-513) (RKTU), located in Cheongju, South Korea. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 191 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 14,000 ft verified for this field for altimeter reset procedures.
Full Name
Cheongju International Airport/Cheongju Air Base (K-59/G-513)
ICAO / IATA
RKTU / CJJ
Municipality
Cheongju
Country
Region
KR-43 — Chungcheongbuk-do (North Chungcheong Province)
GPS Coordinates
Transition Altitude
14,000 ft
Elevation
191 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 06L / 24R
LIGHTED
Runway Length: 9,000 ft / 2,743 m
Runway Width: 200 ft / 61 m
Surface Type: Concrete
Heading: 51.8° / 231.8°
Runway Width: 200 ft / 61 m
Surface Type: Concrete
Heading: 51.8° / 231.8°
RWY 06L (51.8°)
No ILS / Visual Only
RWY 24R (231.8°)
No ILS / Visual Only
Runway 06R / 24L
ILS EQUIPPEDLIGHTED
Runway Length: 9,000 ft / 2,743 m
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 52° / 232°
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 52° / 232°
RWY 06R (52°)
110.10 MHz
IDENT: I-CJU | CRS: 61°
RWY 24L (232°)
110.10 MHz
IDENT: I-CJU | CRS: 241°
ACP BRICKWALL
120.00 MHz
APP JUNGWON APP
134.00 MHz
ATIS ATIS
128.85 MHz
DEP JUNGWON DEP
134.00 MHz
RKTU_APP Cheongju Intl Approach
134.00 MHz
RKTU_GND Cheongju Intl Ground
120.65 MHz
RKTU_TWR Cheongju Intl Tower
118.70 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026