// Station · 16m ago

RCTP

Taiwan Taoyuan International Airport

CAT VFR

WIND 120° / 3 kt

VIS 6+ SM

CEILING BKN at 17,000 ft

T/Td 26°C / 26°C

ALTIM 29.71 inHg

ELEV 106 FT

25.0777°N / 121.2330°E

LOCATION · Taoyuan, TW

WIND

120°3 kt

RCTP · 106 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

120°/3

VIS

6+ SM

CEILING

BKN170

LAYERS

FEW015 BKN170

T / Td

26 / 26

ALTIM

29.71"

// Interpretation

VFR — ceiling 17,000 ft. Light winds at 120°/3 kt, visibility 6+ SM, a few at 1,500 ft, and broken at 17,000 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 RCTP 251600Z 12003KT 080V190 9999 FEW015 BKN170 26/26 Q1006 NOSIG RMK A2973

RCTP · day 25 at 16:00 UTC · wind from 120° at 3 kt · visibility 6+ SM · a few clouds at 1,500 ft · broken layer at 17,000 ft · temp 26°C / dewpoint 26°C · altimeter 29.71" Hg

// Runway analysis · computed from current METAR wind

Wind 120° @ 3 kt

ALL USABLE · WINDS CALM

WIND

120°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

05L HDG 050° —CALM —— 12,008'

23R HDG 230° —CALM —— 12,008'

05R HDG 050° —CALM —— 10,991'

23L HDG 230° —CALM —— 10,991'

Pattern altitude: 1,106 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 +12°C

1,700FT

+1,594 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV106 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT319 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,700 ft high on a standard ISA day — that's +1,594 ft above RCTP's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-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. 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN170

Broken · base 17,000 ft AGL · ~5–7 oktas

FEW015

Few · base 1,500 ft AGL · ~1–2 oktas

// Computed

CEILING17,000 ft AGL HIGHEST LAYER17,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL13,237 ft VFR MARGIN+14,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+8)

21:34ZSUNRISE

03:58ZSOLAR NOON

10:22ZSUNSET

10:45ZCIVIL END

CURRENT16:16Z DAYLIGHT REMAINING18h 06m VFR NIGHT BEGINS10:45Z (18h 29m) DAY LENGTH12h 47m

Waxing Gibbous

ILLUMINATION94% MOONRISE07:37Z MOONSET20:24Z FULL MOON IN2 days

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

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