RKSO· OSN· Pyeongtaek
Osan Air Base
medium airport · elevation 38 ft (12 m)
20:45Z 10:16Z Night
⏎
Current METARVFR
19 min ago·15:55ZRKSO 251555Z AUTO 10003KT 10SM CLR 09/04 A3000 RMK AO2 SLP163 T00890043 FZRANO $
Wind
100° 3 kt
Visibility
10 SM
Ceiling
CLR
Temperature
9°C / 4°C
temp / dew
QNH
1016 hPa
30.00 inHg
Clouds
CLR
Weather
—
Station
RKSO
Remarks
automated station with a precipitation discriminator sea level pressure of 1016.3 HPa hourly temperature of 8.9°C and dew point of 4.3°C 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 | HW 3 kt | XW 1 kt R |
| RWY 09R/27L | HW 3 kt | XW 1 kt R |
37.0915°, 127.0294°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
| Runway | Status | HW (kt) | XW (kt) | Flags |
|---|---|---|---|---|
| RWY 09L/27R (use 09L) | Preferred | HW 3 | 1 R | — |
| RWY 09R/27L (use 09R) | Usable | HW 3 | 1 R | — |
Density altitude
-747 ft
elevation 38 ft
ISA deviation
-5.9°C
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)
No 24-h trend available — IEM archive.
24-hour wind rose (IEM ASOS, 16 direction bins)
24-hour wind rose unavailable (insufficient IEM data).
Airport diagram (OpenStreetMap)Osan Air Base
Terminal Aerodrome Forecast
Issued 2026/04/24 05:21 UTC
24/06Z
24/12Z
24/18Z
25/00Z
25/06Z
BASEVFR
BECMGVFR
BECMGVFR
TEMPO IFR
VFRBASE24/05Z → 24/15Z1109KT · ≥10 km · FEW300
Wind: 1109KT
Visibility: ≥10 km
Clouds: FEW300
TAF RKSO 240500Z 2405/2511 11009KT 9999 FEW300 QNH2996INS
VFRBECMG24/15Z → 24/16ZVRB4KT · ≥10 km · SKC
Wind: VRB4KT
Visibility: ≥10 km
Clouds: SKC
BECMG 2415/2416 VRB04KT 9999 SKC QNH3003INS
VFRBECMG25/07Z → 25/08Z31010KT · ≥10 km · SKC
Wind: 31010KT
Visibility: ≥10 km
Clouds: SKC
BECMG 2507/2508 31010KT 9999 SKC QNH3003INS
IFRTEMPO25/08Z → 25/10Z31010G15KT · 2 km
Wind: 31010G15KT
Visibility: 2 km
TEMPO 2508/2510 31010G15KT TX26/2406Z TN07/2421Z LAST NO AMDS AFT 2405 NEXT 2621
Raw TAF
TAF RKSO 240500Z 2405/2511 11009KT 9999 FEW300 QNH2996INS BECMG 2415/2416 VRB04KT 9999 SKC QNH3003INS BECMG 2507/2508 31010KT 9999 SKC QNH3003INS TEMPO 2508/2510 31010G15KT TX26/2406Z TN07/2421Z LAST NO AMDS AFT 2405 NEXT 2621
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