// Station · 7h 11m ago · STALE · HARD STALE

VTCH

Mae Hong Son Airport

CAT MVFR

WIND VRB / 2 kt

VIS 6+ SM

CEILING BKN at 2,500 ft

T/Td 27°C / 25°C

ALTIM 29.74 inHg

WX -RA

ELEV 929 FT

19.3013°N / 97.9758°E

LOCATION · Mae Hong Son, TH

WIND

VRB2 kt

VTCH · 929 FT

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

METRIC

NOW · 11Z

+6H

+12H

+18H

WIND

VRB/2

VIS

6+ SM

CEILING

BKN025

LAYERS

BKN025

T / Td

27 / 25

ALTIM

29.74"

// Interpretation

MVFR — ceiling 2,500 ft. Light winds at variable/2 kt, visibility 6+ SM, broken at 2,500 ft. Reported weather: light rain (-RA). 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 VTCH 251100Z VRB02KT 9999 -RA BKN025 27/25 Q1007 TEMPO 4000 RA

VTCH · day 25 at 11:00 UTC · wind variable at 2 kt · visibility 6+ SM · broken layer at 2,500 ft · temp 27°C / dewpoint 25°C · altimeter 29.74" Hg · weather: light rain (-RA)

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

11 HDG 110° —CALM —— 6,562'

29 HDG 290° —CALM —— 6,562'

Pattern altitude: 1,929 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

2,800FT

+1,871 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV929 FT OAT+27°C ISA DELTA+14°C PRESSURE ALT1,112 FT

// Performance equivalent Your aircraft will perform as if it's at a field 2,800 ft high on a standard ISA day — that's +1,871 ft above VTCH's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+28%

-20%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+20%

-13%

Light jetCJ4, Phenom 300, M2

+11%

-8%

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)

BKN025

Broken · base 2,500 ft AGL · ~5–7 oktas

// Computed

CEILING2,500 ft AGL HIGHEST LAYER2,500 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL14,565 ft VFR MARGIN-500 ft

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

23:13ZSUNRISE

05:31ZSOLAR NOON

11:50ZSUNSET

12:12ZCIVIL END

CURRENT18:11Z DAYLIGHT REMAINING17h 38m VFR NIGHT BEGINS12:12Z (18h 01m) DAY LENGTH12h 37m

Waxing Gibbous

ILLUMINATION94% MOONRISE09:19Z MOONSET21:56Z FULL MOON IN2 days

// Nearest reporting stations

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

AIRSPACE

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