// Station · 25m ago

LTBA

İstanbul Atatürk Airport

CAT VFR

WIND 040° / 18 kt

VIS 6+ SM

CEILING CLR

T/Td 28°C / 16°C

ALTIM 29.94 inHg

ELEV 163 FT

40.9719°N / 28.8237°E

LOCATION · Istanbul(Bakırköy), TR

WIND

040°18 kt

LTBA · 163 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

040°/18

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

28 / 16

ALTIM

29.94"

// Interpretation

VFR with brisk winds at 040°/18 kt. 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 LTBA 251550Z 04018KT CAVOK 28/16 Q1014

LTBA · day 25 at 15:50 UTC · wind from 040° at 18 kt · visibility 6+ SM · temp 28°C / dewpoint 16°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 040° @ 18 kt

1 USABLE · 1 AVOID

WIND

040°18 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

05★ HDG 050° H18 kt X3 kt LEFT PRIMARY · 8,530'

TAILWIND ENDS · AVOID 1 ends

23 HDG 230° T18 kt X3 kt RIGHT —

Pattern altitude: 1,163 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 +13°C

1,700FT

+1,537 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV163 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT140 FT

// Performance equivalent Operating here right now feels like operating at LTAP (Amasya Merzifon Airport, Amasya, elev 1,758 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-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. 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 LEVEL14,304 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+2)

03:25ZSUNRISE

10:08ZSOLAR NOON

16:51ZSUNSET

17:19ZCIVIL END

CURRENT16:15Z DAYLIGHT REMAINING35m VFR NIGHT BEGINS17:19Z (1h 04m) DAY LENGTH13h 25m

Waxing Gibbous

ILLUMINATION94% MOONRISE13:27Z MOONSET02:53Z FULL MOON IN2 days

// Nearest reporting stations

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

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