// Station · 8h 28m ago · STALE · HARD STALE

FMCH

Prince Said Ibrahim International Airport

CAT VFR

WIND 130° / 3 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 25°C / 24°C

ALTIM 30.03 inHg

ELEV 93 FT

11.5337°S / 43.2719°E

LOCATION · Moroni, KM

WIND

130°3 kt

FMCH · 93 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

130°/3

VIS

6+ SM

CEILING

—

LAYERS

FEW020

T / Td

25 / 24

ALTIM

30.03"

// Interpretation

VFR with light winds at 130°/3 kt. Visibility 6+ SM and a few at 2,000 ft. 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 FMCH 121800Z 13003KT 9999 FEW020 25/24 Q1017 NOSIG

FMCH · day 12 at 18:00 UTC · wind from 130° at 3 kt · visibility 6+ SM · a few clouds at 2,000 ft · temp 25°C / dewpoint 24°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 130° @ 3 kt

ALL USABLE · WINDS CALM

WIND

130°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

02 HDG 020° —CALM —— 9,514'

20 HDG 200° —CALM —— 9,514'

Pattern altitude: 1,093 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 +10°C

1,200FT

+1,107 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV93 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT-19 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,200 ft high on a standard ISA day — that's +1,107 ft above FMCH's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL12,719 ft VFR MARGINunlimited

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

02:44ZSUNRISE

08:54ZSOLAR NOON

15:04ZSUNSET

15:25ZCIVIL END

CURRENT02:28Z DAYLIGHT REMAINING12h 35m VFR NIGHT BEGINS15:25Z (12h 56m) DAY LENGTH12h 19m

Waxing Crescent

ILLUMINATION3% MOONRISE04:08Z MOONSET16:27Z FULL MOON IN13 days

// Nearest reporting stations

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

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