RKSO· OSN· Pyeongtaek
Osan Air Base
medium airport · elevation 38 ft (12 m)
20:56Z 10:14Z Day
⏎
Current METARMVFR
13 min ago·02:55ZRKSO 240255Z 27005KT 10SM BKN025 BKN045 BKN055 33/25 A2988 RMK AO2A CIG 029V047 BKN029 V SCT SLP121 T03290254 58011 FZRANO $
Wind
270° 5 kt
Visibility
10 SM
Ceiling
2,500 ft
Temperature
33°C / 25°C
temp / dew
QNH
1012 hPa
29.88 inHg
Clouds
BKN 2,500ft, BKN 4,500ft, BKN 5,500ft
Weather
—
Station
RKSO
Remarks
AO2A ceiling varying between 2900 and 4700 feet cloud layer at 2900 feet varying between broken and scattered sea level pressure of 1012.1 HPa hourly temperature of 32.9°C and dew point of 25.4°C Steady or increase, then decrease; or decrease then decrease more rapidly of 1.1 hectopascals in the past 3 hours FZRANO
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
Wind arrow points downwind.
Runways
09L/27R2744 mCON
09R/27L2744 mCON
Runway components
| Runway | Head/Tail | Crosswind |
|---|---|---|
| RWY 09L/27R | TW 5 kt | XW 1 kt L |
| RWY 09R/27L | TW 5 kt | XW 1 kt L |
37.0915°, 127.0294°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
| Runway | Status | HW (kt) | XW (kt) | Flags |
|---|---|---|---|---|
| RWY 09L/27R (use 27R) | Preferred | HW 5 | 1 R | — |
| RWY 09R/27L (use 27L) | Usable | HW 5 | 1 R | — |
Density altitude
2,241 ft
elevation 38 ft
ISA deviation
+18.1°C
large deviation
Frequencies (community-maintained, cross-check AIP)RKSO
- ATIS132.125
- CLDCLNC DEL127.300
- GND132.450
- TWR122.100
- APP127.900
- DEP127.900
- PMSVPMSV METRO34.650
- PTD120.700
Navaids near airportassoc. RKSO
| Ident | Type | Freq | Power |
|---|---|---|---|
| OSN | VORTAC | 114.70 MHz | HIGH |
Runways2
Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.
- RWY 09L/27R9,004 ft (2,744 m)
- Surface
- CON
- Lighting
- Lit
- ILS
- —
- RWY 09R/27L9,004 ft (2,744 m)
- Surface
- CON
- Lighting
- Lit
- ILS
- —
24-hour trend (Iowa State IEM)RKSO
Wind0 kt
Vis14.5 km
Temp29°C
QNH1013 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=24
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)Osan Air Base
Diagram unavailable for Osan Air Base.
Terminal Aerodrome Forecast
Issued 2026/08/23 21:06 UTC
24/00Z
24/06Z
24/12Z
24/18Z
25/00Z
BASEVFR
BECMGVFR
BECMGVFR
BECMGIFR
BECMGIFR
BECMGLIFR
BECMGMVFR
TEMPO IFR
VFRBASE23/21Z → 24/03ZVRB6KT · ≥10 km · FEW010 BKN035
Wind: VRB6KT
Visibility: ≥10 km
Clouds: FEW010 BKN035
TAF RKSO 232100Z 2321/2503 VRB06KT 9999 FEW010 BKN035 QNH2990INS
VFRBECMG24/03Z → 24/04Z2509KT · ≥10 km · BKN040
Wind: 2509KT
Visibility: ≥10 km
Clouds: BKN040
BECMG 2403/2404 25009KT 9999 BKN040 QNH2985INS
VFRBECMG24/08Z → 24/09ZVRB6KT · ≥10 km · FEW050
Wind: VRB6KT
Visibility: ≥10 km
Clouds: FEW050
BECMG 2408/2409 VRB06KT 9999 FEW050 QNH2985INS
IFRBECMG24/15Z → 24/16ZVRB6KT · 5 km · BR · BKN009
Wind: VRB6KT
Visibility: 5 km
Weather: BR
Clouds: BKN009
BECMG 2415/2416 VRB06KT 4800 BR BKN009 QNH2990INS
IFRBECMG24/16Z → 24/17ZVRB6KT · 3 km · BR · BKN009
Wind: VRB6KT
Visibility: 3 km
Weather: BR
Clouds: BKN009
BECMG 2416/2417 VRB06KT 3200 BR BKN009 QNH2989INS
IFRTEMPO24/18Z → 24/21Z2 km · BR
Visibility: 2 km
Weather: BR
TEMPO 2418/2421 2000 BR VV000
LIFRBECMG24/20Z → 24/21ZVRB6KT · 800 m · FG · OVC
Wind: VRB6KT
Visibility: 800 m
Weather: FG
Clouds: OVC
BECMG 2420/2421 VRB06KT 0800 FG OVC000 QNH2989INS
MVFRBECMG24/23Z → 25/00Z2609KT · 8 km · BR · SCT015
Wind: 2609KT
Visibility: 8 km
Weather: BR
Clouds: SCT015
BECMG 2423/2424 26009KT 8000 BR SCT015 QNH2988INS TX33/2406Z TN24/2321Z
Raw TAF
TAF RKSO 232100Z 2321/2503 VRB06KT 9999 FEW010 BKN035 QNH2990INS BECMG 2403/2404 25009KT 9999 BKN040 QNH2985INS BECMG 2408/2409 VRB06KT 9999 FEW050 QNH2985INS BECMG 2415/2416 VRB06KT 4800 BR BKN009 QNH2990INS BECMG 2416/2417 VRB06KT 3200 BR BKN009 QNH2989INS TEMPO 2418/2421 2000 BR VV000 BECMG 2420/2421 VRB06KT 0800 FG OVC000 QNH2989INS BECMG 2423/2424 26009KT 8000 BR SCT015 QNH2988INS TX33/2406Z TN24/2321Z
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