// Station · 10m ago

VTBD

Don Mueang International Airport

CAT VFR

WIND 260° / 6 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 28°C / 22°C

ALTIM 29.74 inHg

ELEV 9 FT

13.9126°N / 100.6070°E

LOCATION · Bangkok, TH

WIND

260°6 kt

VTBD · 9 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

260°/6

VIS

6+ SM

CEILING

—

LAYERS

FEW020

T / Td

28 / 22

ALTIM

29.74"

// Interpretation

VFR with light winds at 260°/6 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 VTBD 111600Z 26006KT 9999 FEW020 28/22 Q1007 NOSIG

VTBD · day 11 at 16:00 UTC · wind from 260° at 6 kt · visibility 6+ SM · a few clouds at 2,000 ft · temp 28°C / dewpoint 22°C · altimeter 29.74" Hg

// Runway analysis · computed from current METAR wind

Wind 260° @ 6 kt

2 USABLE · 2 AVOID

WIND

260°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

21R★ HDG 210° H4 kt X5 kt RIGHT PRIMARY · 12,139'

21L HDG 210° H4 kt X5 kt RIGHT 11,483'

TAILWIND ENDS · AVOID 2 ends

03L HDG 030° T4 kt X5 kt LEFT —

03R HDG 030° T4 kt X5 kt LEFT —

Pattern altitude: 1,009 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

1,800FT

+1,791 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -200 FT

24h AGO18h12h6hNOW

FIELD ELEV9 FT OAT+28°C ISA DELTA+13°C PRESSURE ALT192 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,800 ft high on a standard ISA day — that's +1,791 ft above VTBD's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+18%

-13%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+13%

-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.

// 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 LEVEL14,150 ft VFR MARGINunlimited

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

22:57ZSUNRISE

05:24ZSOLAR NOON

11:50ZSUNSET

12:14ZCIVIL END

CURRENT16:10Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS12:14Z (past) DAY LENGTH12h 53m

Waning Crescent

ILLUMINATION11% MOONRISE20:25Z MOONSET09:18Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 100 NM (sparse area)

VTBS

VFR

Suvarnabhumi Airport · Bangkok

WIND: 300° / 3 kt
VIS: 6+ SM
CEILING: FEW020
DIST: 16 NM SE
AGE: 10m ago

VTBU

VFR

U-Tapao–Rayong–Pattaya International Airport · Rayong

WIND: 260° / 8 kt
VIS: 5.6 SM
CEILING: FEW020
DIST: 78 NM S
AGE: 10m ago

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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