AirportLookupSim Database

Reference only — not for real-world navigation.

RKSO

Osan Air Base · Pyeongtaek

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS DATA NOT IN DATABASE

Field Elevation

38 ft / 12 m

Transition Altitude

14,000 ft

Primary Channel

TWR 122.10 MHz (TWR)

Live Conversion

inHg

hPa

Details Runways Frequencies Navaids Nearby

Runway Summary (Quick-Links)

09L/27R · 9,004 ft · ConcreteLIGHTED 09R/27L · 9,004 ft · ConcreteLIGHTED

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Welcome to the technical flight briefing for Osan Air Base (RKSO), located in Pyeongtaek, 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 38 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.

Airport Details

Full geographical and organizational metadata.

Full Name

Osan Air Base

ICAO / IATA

RKSO / OSN

Municipality

Pyeongtaek

Country

KR — South Korea

Region

KR-41 — Gyeonggi-do (Gyeonggi Province)

GPS Coordinates

📍 37.091457, 127.029448 🗺️

Transition Altitude

14,000 ft

Elevation

38 ft

Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

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Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 09L / 27R

LIGHTED

Runway Length: 9,004 ft / 2,744 m
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 84° / 264°

RWY 09L (84°)

No ILS / Visual Only

RWY 27R (264°)

No ILS / Visual Only

Runway 09R / 27L

LIGHTED

Runway Length: 9,004 ft / 2,744 m
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 84° / 264°

RWY 09R (84°)

No ILS / Visual Only

RWY 27L (264°)

No ILS / Visual Only

Nearby Navaids

Ground-based navigation aids (VOR, NDB, DME) in the vicinity or associated with this airport.

SWN · TACAN (Suwon)108,500 kHz

37.239899, 127.000999 · 86 ft

SEL · VORTAC (Anyang)115,500 kHz

37.413898, 126.929001 · 900 ft

OSN · VORTAC (Osan)114,700 kHz

37.091900, 127.029999 · 34 ft

SOL · TACAN (Seoul)110,900 kHz

37.428799, 127.105003 · 133 ft

KSM · VOR-DME (Seoul)113,000 kHz

37.435200, 127.110001 · 82 ft

RE · NDB (Pyeongtaek)381 kHz

36.961498, 127.029999 · 38 ft

PTK · VOR-DME (Pyeongtaek)108,200 kHz

36.967800, 127.021004 · 47 ft

Communication Frequencies

Air traffic control and advisory channels.

APP APP

127.90 MHz

ATIS ATIS

132.13 MHz

CLD CLNC DEL

127.30 MHz

DEP DEP

127.90 MHz

GND GND

132.45 MHz

PMSV PMSV METRO

34.65 MHz

PTD PTD

120.70 MHz

TWR TWR

122.10 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

Camp Humphreys (A-511) Desiderio Army Airfield

Seoul Air Base (K-16)

Gimpo International Airport

Cheongju International Airport/Cheongju Air Base (K-59/G-513)

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026