// Station · 26m ago

FMNA

Arrachart Airport

CAT MVFR

WIND 300° / 6 kt

VIS 6+ SM

CEILING BKN at 2,000 ft

T/Td 27°C / 20°C

ALTIM 29.94 inHg

ELEV 374 FT

12.3494°S / 49.2917°E

LOCATION · Antisiranana, MG

WIND

300°6 kt

FMNA · 374 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

300°/6

VIS

6+ SM

CEILING

BKN020

LAYERS

BKN020

T / Td

27 / 20

ALTIM

29.94"

// Interpretation

MVFR — ceiling 2,000 ft. Light winds at 300°/6 kt, visibility 6+ SM, broken at 2,000 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR FMNA 111400Z 30006KT 9999 BKN020 27/20 Q1014

FMNA · day 11 at 14:00 UTC · wind from 300° at 6 kt · visibility 6+ SM · broken layer at 2,000 ft · temp 27°C / dewpoint 20°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 300° @ 6 kt

1 USABLE · 1 AVOID

WIND

300°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

31★ HDG 310° H6 kt X1 kt LEFT PRIMARY · 4,921'

TAILWIND ENDS · AVOID 1 ends

13 HDG 130° T6 kt X1 kt RIGHT —

Pattern altitude: 1,374 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

1,900FT

+1,526 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +200 FT

24h AGO18h12h6hNOW

FIELD ELEV374 FT OAT+27°C ISA DELTA+13°C PRESSURE ALT351 FT

// Performance equivalent Operating here right now feels like operating at FMND (Andapa Airport, elev 1,552 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+19%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN020

Broken · base 2,000 ft AGL · ~5–7 oktas

// Computed

CEILING2,000 ft AGL HIGHEST LAYER2,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL14,010 ft VFR MARGIN-1,000 ft

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

03:06ZSUNRISE

08:49ZSOLAR NOON

14:32ZSUNSET

14:55ZCIVIL END

CURRENT14:26Z DAYLIGHT REMAINING6m VFR NIGHT BEGINS14:55Z (29m) DAY LENGTH11h 26m

Waning Crescent

ILLUMINATION11% MOONRISE00:30Z MOONSET11:56Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 100 NM (sparse area)

FMNN

VFR

Nosy Be International Airport · Nosy Be

WIND: 250° / 8 kt
VIS: 6+ SM
CEILING: FEW020
DIST: 81 NM SW
AGE: 26m ago

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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