// Station · 49m ago
VTCH
Mae Hong Son Airport
CAT VFR
WIND VRB / 4 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 34°C / 24°C
ALTIM 29.71 inHg
ELEV 929 FT
19.3013°N / 97.9758°E
LOCATION · Mae Hong Son, TH
WIND
VRB4 kt
VTCH · 929 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 09Z
+6H
+12H
+18H
WIND
VRB/4
VIS
6+ SM
CEILING
—
LAYERS
FEW020
T / Td
34 / 24
ALTIM
29.71"
// Interpretation
VFR with light winds at variable/4 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…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR VTCH 270900Z VRB04KT 9999 FEW020CB 34/24 Q1006 NOSIG
VTCH · day 27 at 09:00 UTC · wind variable at 4 kt · visibility 6+ SM · a few clouds at 2,000 ft · temp 34°C / dewpoint 24°C · altimeter 29.71" Hg
// Runway analysis · computed from current METAR wind
Wind VRB @ 4 kt
ALL USABLE · WINDS CALM
WIND
VRB4 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 +21°C
3,700FT
+2,771 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +0 FT
24h AGO18h12h6hNOW
FIELD ELEV929 FT
OAT+34°C
ISA DELTA+21°C
PRESSURE ALT1,142 FT
// Performance equivalent
Your aircraft will perform as if it's at a field 3,700 ft high
on a standard ISA day — that's +2,771 ft above
VTCH's actual elevation.
// Aircraft performance impact
SIGNIFICANT
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+37%
-26%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+26%
-17%
Light jetCJ4, Phenom 300, M2
+15%
-11%
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
// Sun & Moon · times in Z · bar = local day (UTC+7)
22:51ZSUNRISE
05:26ZSOLAR NOON
12:01ZSUNSET
12:25ZCIVIL END
CURRENT09:49Z
DAYLIGHT REMAINING2h 12m
VFR NIGHT BEGINS12:25Z (2h 36m)
DAY LENGTH13h 10m
Waxing Gibbous
ILLUMINATION82%
MOONRISE07:32Z
MOONSET20:42Z
FULL MOON IN4 days
// Nearest reporting stations · 4 shown · 150 NM (sparse area)
VTCC
VFR
Chiang Mai International Airport · Chiang Mai
- WIND
- 240° / 4 kt
- VIS
- 6+ SM
- CEILING
- FEW025
- DIST
- 65 NM SE
- AGE
- 19m ago
VTCL
VFR
Lampang Airport
- WIND
- 110° / 4 kt
- VIS
- 6+ SM
- CEILING
- FEW030
- DIST
- 107 NM SE
- AGE
- 49m ago
VTCT
VFR
Mae Fah Luang - Chiang Rai International Airport · Chiang Rai
- WIND
- 240° / 5 kt
- VIS
- 6+ SM
- CEILING
- FEW020
- DIST
- 115 NM E
- AGE
- 49m ago
VTCP
VFR
Phrae Airport
- WIND
- 250° / 8 kt
- VIS
- 6+ SM
- CEILING
- FEW047
- DIST
- 143 NM SE
- AGE
- 49m ago
// Area map · 160 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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