Reference only — not for real-world navigation.
RK4B
C-507 Heliport · Yeontan-ri
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
321 ft / 98 m
Transition Altitude
14,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
Flight Planning
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Welcome to the technical flight briefing for C-507 Heliport (RK4B), located in Yeontan-ri, South Korea. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 0 active runways with a maximum elevation of 321 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 14,000 ft verified for this field for altimeter reset procedures.
Full Name
C-507 Heliport
ICAO / IATA
RK4B / —
Municipality
Yeontan-ri
Country
Region
KR-43 — Chungcheongbuk-do (North Chungcheong Province)
GPS Coordinates
Transition Altitude
14,000 ft
Elevation
321 ft
Pilot Toolbox
External charts, live tracking and weather reports.
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026