Osan Air Base

RKSO / OSN

Pyeongtaek, KR

Last Updated
Nov 3, 14:55 UTC

Current Weather

Display Units
Last Updated
14:55Z
☀️ Day
VFR
Flight Rules
4°C
Temperature
Dewpoint: 3°C
4kt
80°
8 SM
Visibility
5,500 ft
Ceiling
Above Ground Level
30.35
QNH (inHg)
Altimeter Setting

Raw METAR

METAR RKSO 031455Z 08004KT 8SM BKN055 04/03 A3035 RMK AO2A SLP281 T00440034 401391011 50006 FZRANO $

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 38ft
BKN 5,500ft AGL
☁️
BKN
Broken (5/8-7/8 sky coverage)
5,500ft
AGL (Above Ground)
5,538ft AMSL

Altimeter Settings & Pressure Information

QNH
30.35 inHg
Sea Level Pressure
For altitude above MSL
QFE
30.31 inHg
Field Pressure
Height above aerodrome (38 ft)
Pressure Alt
-392 ft
QNE Reference
Standard: 29.92 inHg
Density Altitude: -1,703 ft
ISA Deviation: -10.9°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF RKSO 031300Z 0313/0419 VRB06KT 9999 FEW050 QNH3035INS BECMG 0315/0316 VRB06KT 9000 BR SCT040 QNH3036INS BECMG 0402/0403 VRB06KT 9999 NSW FEW050 QNH3030INS TX15/0406Z TN01/0318Z
Upcoming Changes (Next 12 Hours)
15:28Z BASE
+0h
VFR VRB 6kt
Visibility: 10+ km
02:00Z BECMG
+11h
VFR VRB 6kt
Visibility: 10+ km

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
  • • Zoom and pan for detailed analysis
  • • Units automatically converted to preferences
Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
KSO
09L ✈️
27R
09R ✈️
27L

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 09L/27R
Active: 09L
9,004 ft 150 ft CON 84°
↑ 3.9kt ↔ 0.7kt
10° angle
✈️ 09R/27L
Active: 09R
9,004 ft 150 ft CON 84°
↑ 3.9kt ↔ 0.7kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Osan Air Base - Airport Information

Airport Details

ICAO Code: RKSO
IATA Code: OSN
Type: medium airport
Status: active
Elevation: 38 ft MSL

Location

City: Pyeongtaek
Country: KR
Latitude: 37.091457°
Longitude: 127.029448°
Time Zone: Europe/Moscow

Runway Information

Runway 09L/27R
Length: 9,004 ft
Width: 150 ft
Surface: CON
ILS: No
Runway 09R/27L
Length: 9,004 ft
Width: 150 ft
Surface: CON
ILS: No

Aeronautical Information Publication (AIP)

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ICAO Aeronautical Information

General ICAO aeronautical information

Managed by: ICAO

Access Information: Freely accessible online

Alternative Resources:

Resources for Pilots

Weather Data

Current conditions and forecasts

• Real-time METAR reports
• Extended TAF forecasts
• Flight rules assessment
Charts & Navigation

Essential aviation charts

• Visual approach charts
• Instrument procedures
• Airport diagrams
Operations

Airport operational data

• Operating hours: 24/7
• Ground handling available
• Fuel services available
Performance Calculator

Calculate takeoff and landing distances

• Runway suitability assessment
• Real weather conditions
• Safety margin analysis
Calculate Performance

About Osan Air Base

Osan Air Base (RKSO/OSN) is a regional airport serving commercial and general aviation located in Pyeongtaek, KR. The facility operates at an elevation of 38 feet above sea level and primarily serves regional commercial flights and general aviation.

The facility features 2 runways (09L/27R, 09R/27L) with CON surface . Weather services provide regular METAR reports and TAF forecasts to ensure safe flight operations in all conditions.

Pilots can access comprehensive weather data, including current conditions, extended forecasts, and flight rules analysis. The airport information displayed here includes runway details, operational data, and essential resources for flight planning and execution. All weather data is updated regularly to provide the most current information for aviation decision-making.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.