// Station · 1h 13m ago · STALE

OISF

Fasa Airport

CAT —

WIND VRB / 4 kt

VIS —

CEILING —

T/Td 31°C / -9°C

ALTIM 29.91 inHg

ELEV 4,261 FT

28.8918°N / 53.7233°E

LOCATION · Fasa, IR

WIND

VRB4 kt

OISF · 4,261 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

VRB/4

VIS

—

CEILING

CLR

LAYERS

—

T / Td

31 / -9

ALTIM

29.91"

// Interpretation

VFR with light winds at variable/4 kt. Visibility unreported 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 OISF 251700Z AUTO VRB04KT //// // ////// 31/M09 Q1013

OISF · day 25 at 17:00 UTC · wind variable at 4 kt · temp 31°C / dewpoint -9°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 4 kt

ALL USABLE · WINDS CALM

WIND

VRB4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

14 HDG 140° —CALM —— 6,502'

32 HDG 320° —CALM —— 6,502'

Pattern altitude: 5,261 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 +24°C

7,200FT

+2,939 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV4,261 FT OAT+31°C ISA DELTA+24°C PRESSURE ALT4,267 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 DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+72%

-50%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+50%

-32%

Light jetCJ4, Phenom 300, M2

+29%

-22%

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 LEVEL19,918 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+4)

02:00ZSUNRISE

08:28ZSOLAR NOON

14:57ZSUNSET

15:21ZCIVIL END

CURRENT18:13Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS15:21Z (past) DAY LENGTH12h 56m

Waxing Gibbous

ILLUMINATION94% MOONRISE12:07Z MOONSET01:03Z FULL MOON IN2 days

// Nearest reporting stations

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

AIRSPACE

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