// Station · 10m ago

VVDN

Da Nang International Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING Few/scattered only

T/Td 31°C / 24°C

ALTIM 29.53 inHg

ELEV 33 FT

16.0439°N / 108.1990°E

LOCATION · Da Nang, VN

WIND

000°0 kt

VVDN · 33 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

—

LAYERS

FEW020 SCT080

T / Td

31 / 24

ALTIM

29.53"

// Interpretation

VFR with winds calm. Visibility 6+ SM and a few at 2,000 ft, and scattered at 8,000 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 VVDN 111300Z 00000KT 9999 FEW020 SCT080 31/24 Q1000 NOSIG

VVDN · day 11 at 13:00 UTC · winds calm · visibility 6+ SM · a few clouds at 2,000 ft · scattered layer at 8,000 ft · temp 31°C / dewpoint 24°C · altimeter 29.53" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

17L HDG 170° —CALM —— 11,483'

35R HDG 350° —CALM —— 11,483'

17R HDG 170° —CALM —— 10,000'

35L HDG 350° —CALM —— 10,000'

Pattern altitude: 1,033 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 +17°C

2,400FT

+2,367 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +200 FT

24h AGO18h12h6hNOW

FIELD ELEV33 FT OAT+31°C ISA DELTA+17°C PRESSURE ALT423 FT

// Performance equivalent Operating here right now feels like operating at VVPK (Pleiku Airport, Pleiku, elev 2,434 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+24%

-17%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+17%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-7%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

SCT080

Scattered · base 8,000 ft AGL · ~3–4 oktas

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER8,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL15,690 ft VFR MARGINunlimited

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

22:23ZSUNRISE

04:53ZSOLAR NOON

11:24ZSUNSET

11:47ZCIVIL END

CURRENT13:10Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS11:47Z (past) DAY LENGTH13h 01m

Waning Crescent

ILLUMINATION11% MOONRISE19:44Z MOONSET08:46Z FULL MOON IN18 days

// Nearest reporting stations · 1 shown · 60 NM radius

VVPB

VFR

Phu Bai International Airport · Huế

WIND: 260° / 8 kt
VIS: 6+ SM
CEILING: FEW020
DIST: 36 NM NW
AGE: 10m ago

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

AIRSPACE

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