// Station · 1h 3m ago · STALE

OISY

Yasuj Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING CLR

T/Td 13°C / 3°C

ALTIM 30.42 inHg

ELEV 5,939 FT

30.7022°N / 51.5430°E

LOCATION · Yasuj, IR

WIND

000°0 kt

OISY · 5,939 FT

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

13 / 3

ALTIM

30.42"

// Interpretation

VFR with winds calm. Visibility 6+ 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…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR OISY 130100Z 00000KT CAVOK 13/03 Q1030

OISY · day 13 at 01:00 UTC · winds calm · visibility 6+ SM · temp 13°C / dewpoint 3°C · altimeter 30.42" Hg

// 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 2 ends

13 HDG 130° —CALM —— 8,522'

31 HDG 310° —CALM —— 8,522'

Pattern altitude: 6,939 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 +9°C

6,500FT

+561 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV5,939 FT OAT+13°C ISA DELTA+9°C PRESSURE ALT5,443 FT

// Performance equivalent Operating here right now feels like operating at OIFS (Shahrekord Airport, Shahrekord, elev 6,723 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+65%

-46%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+46%

-29%

Light jetCJ4, Phenom 300, M2

+26%

-20%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL12,505 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+3)

02:35ZSUNRISE

08:21ZSOLAR NOON

14:06ZSUNSET

14:31ZCIVIL END

CURRENT02:03Z DAYLIGHT REMAINING12h 03m VFR NIGHT BEGINS14:31Z (12h 27m) DAY LENGTH11h 31m

Waxing Crescent

ILLUMINATION3% MOONRISE03:58Z MOONSET15:29Z FULL MOON IN13 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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