RKSO· OSN· Pyeongtaek
Osan Air Base
medium airport · elevation 38 ft (12 m)
21:34Z 09:06Z Night
⏎
Current METARVFR
10 min ago·18:55ZRKSO 081855Z AUTO 10004KT 6SM BR CLR 10/10 A3020 RMK AO2 SLP230 T01040102 FZRANO $
Wind
100° 4 kt
Visibility
6 SM
Ceiling
CLR
Temperature
10°C / 10°C
temp / dew
QNH
1023 hPa
30.20 inHg
Clouds
CLR
Weather
BR
Station
RKSO
Remarks
automated station with a precipitation discriminator sea level pressure of 1023.0 HPa hourly temperature of 10.4°C and dew point of 10.2°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 4 kt | XW 1 kt R |
| RWY 09R/27L | HW 4 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 4 | 1 R | — |
| RWY 09R/27L (use 09R) | Usable | HW 4 | 1 R | — |
Density altitude
-816 ft
elevation 38 ft
ISA deviation
-4.9°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)RKSO
Wind3 kt
Vis16.1 km
Temp16°C
QNH1025 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=25
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 2026/10/08 11:39 UTC
08/12Z
08/18Z
09/00Z
09/06Z
BASEVFR
BECMGVFR
VFRBASE08/11Z → 08/23Z2905KT · ≥10 km · SKC
Wind: 2905KT
Visibility: ≥10 km
Clouds: SKC
TAF AMD RKSO 081130Z 0811/0911 29005KT 9999 SKC QNH3020INS
VFRBECMG08/23Z → 09/00ZVRB4KT · ≥10 km · SCT220
Wind: VRB4KT
Visibility: ≥10 km
Clouds: SCT220
BECMG 0823/0824 VRB04KT 9999 SCT220 QNH3015INS TX24/0906Z TN10/0820Z LAST NO AMDS AFT 0811 NEXT 1213
Raw TAF
TAF AMD RKSO 081130Z 0811/0911 29005KT 9999 SKC QNH3020INS BECMG 0823/0824 VRB04KT 9999 SCT220 QNH3015INS TX24/0906Z TN10/0820Z LAST NO AMDS AFT 0811 NEXT 1213
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