// Station · 27m ago
RKSO
Osan Air Base
CAT VFR
WIND CALM
VIS 7.0 SM
CEILING CLR
T/Td 25.8°C / 25.6°C
ALTIM 29.82 inHg
ELEV 38 FT
37.0915°N / 127.0294°E
LOCATION · Pyeongtaek, KR
WIND
000°0 kt
RKSO · 38 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 18Z
+6H
+12H
+18H
WIND
CALM
VIS
7.0 SM
CEILING
CLR
LAYERS
—
T / Td
26 / 26
ALTIM
29.82"
// Interpretation
VFR with winds calm. Visibility 7.0 SM and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR RKSO 111855Z AUTO 00000KT 7SM CLR 26/26 A2982 RMK AO2 SLP101 T02580256 FZRANO $
RKSO · day 11 at 18:55 UTC · winds calm · visibility 7.0 SM · temp 26°C / dewpoint 26°C · altimeter 29.82" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.1 mb
// Runway analysis · computed from current METAR wind
Wind CALM
ALL USABLE · WINDS CALM
WIND
000°calm
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS
4 ends
09L
HDG 090°
—CALM
——
9,004'
27R
HDG 270°
—CALM
——
9,004'
09R
HDG 090°
—CALM
——
9,004'
27L
HDG 270°
—CALM
——
9,004'
Pattern altitude: 1,038 ft MSL (1,000 ft AGL).
Verify pattern direction and altitude with the chart supplement before flying.
// On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.
// Density altitude · ISA +11°C
1,500FT
+1,462 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +300 FT
24h AGO18h12h6hNOW
FIELD ELEV38 FT
OAT+26°C
ISA DELTA+11°C
PRESSURE ALT136 FT
// Performance equivalent
Operating here right now feels like operating at RKSC
(Surisan Helipad, Gunpo, elev 1,424 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%
Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.
// Cloud layers · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC+8)
20:22ZSUNRISE
03:38ZSOLAR NOON
10:54ZSUNSET
11:24ZCIVIL END
CURRENT19:22Z
DAYLIGHT REMAINING15h 32m
VFR NIGHT BEGINS11:24Z (16h 02m)
DAY LENGTH14h 32m
Waning Crescent
ILLUMINATION10%
MOONRISE17:56Z
MOONSET08:28Z
FULL MOON IN18 days
// Nearest reporting stations · 5 shown · 60 NM radius
RKSG
VFR
Camp Humphreys (A-511) Desiderio Army Airfield · Pyeongtaek
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 8 NM S
- AGE
- 27m ago
RKSM
VFR
Seoul Air Base (K-16) · Seongnam
- WIND
- 210° / 2 kt
- VIS
- 6+ SM
- CEILING
- BKN250
- DIST
- 22 NM N
- AGE
- 22m ago
RKSS
VFR
Gimpo International Airport · Seoul
- WIND
- 270° / 1 kt
- VIS
- 6+ SM
- CEILING
- CLR
- DIST
- 30 NM N
- AGE
- 22m ago
RKTU
MVFR
→
IFR
20Z
Cheongju International Airport/Cheongju Air Base (K-59/G-513) · Cheongju
- WIND
- 330° / 2 kt
- VIS
- 5.0 SM
- CEILING
- CLR
- DIST
- 32 NM SE
- AGE
- 22m ago
RKSI
VFR
Incheon International Airport · Seoul
- WIND
- 060° / 4 kt
- VIS
- 6+ SM
- CEILING
- CLR
- DIST
- 36 NM NW
- AGE
- 22m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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