// Station · 29m ago

VVVD

Van Don International Airport

CAT VFR

WIND 360° / 4 kt

VIS 6+ SM

CEILING CLR

T/Td 29°C / 25°C

ALTIM 30.09 inHg

ELEV 24 FT

21.1207°N / 107.4154°E

LOCATION · Van Don, VN

WIND

360°4 kt

VVVD · 24 FT

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

METRIC

NOW · 02Z

+6H

+12H

+18H

WIND

360°/4

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

29 / 25

ALTIM

30.09"

// Interpretation

VFR with light winds at 360°/4 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 VVVD 130200Z AUTO 36004KT 270V060 9999 NCD 29/25 Q1019

VVVD · day 13 at 02:00 UTC · wind from 360° at 4 kt · visibility 6+ SM · temp 29°C / dewpoint 25°C · altimeter 30.09" Hg

// Runway analysis · computed from current METAR wind

Wind 360° @ 4 kt

ALL USABLE · WINDS CALM

WIND

360°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

03 HDG 030° —CALM —— 11,811'

21 HDG 210° —CALM —— 11,811'

Pattern altitude: 1,024 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 +14°C

1,500FT

+1,476 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV24 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT-147 FT

// Performance equivalent Operating here right now feels like operating at VVDB (Dien Bien Phu Airport, Dien Bien Phu, elev 1,611 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+15%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-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 LEVEL14,670 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+7)

22:46ZSUNRISE

04:37ZSOLAR NOON

10:29ZSUNSET

10:51ZCIVIL END

CURRENT02:29Z DAYLIGHT REMAINING8h 00m VFR NIGHT BEGINS10:51Z (8h 22m) DAY LENGTH11h 43m

Waxing Crescent

ILLUMINATION3% MOONRISE00:09Z MOONSET11:53Z 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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