RKSO· OSN· Pyeongtaek
Osan Air Base
medium airport · elevation 38 ft (12 m)
21:48Z 08:46Z Night
⏎
Current METARVFR
27 min ago·15:55ZRKSO 231555Z AUTO 10003KT 10SM FEW140 15/14 A3011 RMK AO2 SLP200 T01480140 FZRANO $
Wind
100° 3 kt
Visibility
10 SM
Ceiling
—
Temperature
15°C / 14°C
temp / dew
QNH
1020 hPa
30.11 inHg
Clouds
FEW 14,000ft
Weather
—
Station
RKSO
Remarks
automated station with a precipitation discriminator sea level pressure of 1020.0 HPa hourly temperature of 14.8°C and dew point of 14.0°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
-135 ft
elevation 38 ft
ISA deviation
+0.1°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
Temp12°C
QNH1024 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 2026/10/23 05:15 UTC
23/06Z
23/12Z
23/18Z
24/00Z
24/06Z
BASEVFR
BECMGVFR
VFRBASE23/05Z → 23/22Z1105KT · ≥10 km · SCT150 BKN170
Wind: 1105KT
Visibility: ≥10 km
Clouds: SCT150 BKN170
TAF RKSO 230500Z 2305/2411 11005KT 9999 SCT150 BKN170 QNH3013INS
VFRBECMG23/22Z → 23/23ZVRB5KT · ≥10 km · SCT055 BKN085
Wind: VRB5KT
Visibility: ≥10 km
Clouds: SCT055 BKN085
BECMG 2322/2323 VRB05KT 9999 SCT055 BKN085 QNH3003INS TX19/2306Z TN14/2322Z LAST NO AMDS AFT 2305 NEXT 2513
Raw TAF
TAF RKSO 230500Z 2305/2411 11005KT 9999 SCT150 BKN170 QNH3013INS BECMG 2322/2323 VRB05KT 9999 SCT055 BKN085 QNH3003INS TX19/2306Z TN14/2322Z LAST NO AMDS AFT 2305 NEXT 2513
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