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RKSO

OSN

Osan Air Base · Pyeongtaek

Key Facts

Technical summary and operational standards.

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)
Runway Summary
09L/27R9,004 ftConcreteLIGHTED
09R/27L9,004 ftConcreteLIGHTED

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

TOD CALC
Plan Descent
CROSSWIND
Check Limits
VDP CALC
Visual Point
CONVERTER
QNH / Fuel
SkyVector FlightAware Live METAR Satellite

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Briefing for Osan Air Base (RKSO), South Korea. This facility features 2 active runways with an elevation of 38 ft. This field primarily supports visual approach procedures.Maintain a Transition Altitude of 14,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name
Osan Air Base
ICAO / IATA
RKSO / OSN
Municipality
Pyeongtaek
Country
Region
KR-41
GPS Coordinates
Transition Altitude
14,000 ft
Official Website
—
Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 09L / 27R
LIGHTED
Length: 9,004 ft / 2,744 m
Surface: Concrete
Heading: 84° / 264°
RWY 09L
No ILS
RWY 27R
No ILS
Runway 09R / 27L
LIGHTED
Length: 9,004 ft / 2,744 m
Surface: Concrete
Heading: 84° / 264°
RWY 09R
No ILS
RWY 27L
No ILS

Communication Frequencies

ATC 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

Alternatives in the vicinity.

RKSG
Camp Humphreys (A-511) Desiderio Army Airfield
14 km
RKSW
Suwon Airport
17 km
RKSM
Seoul Air Base (K-16)
40 km
RKSS ILS
Gimpo International Airport
56 km
RKTU ILS
Cheongju International Airport/Cheongju Air Base (K-59/G-513)
59 km

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified