// Station · 27m ago

RCTP

Taiwan Taoyuan International Airport

CAT VFR

WIND 020° / 8 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 29°C / 21°C

ALTIM 30.03 inHg

ELEV 106 FT

25.0777°N / 121.2330°E

LOCATION · Taoyuan, TW

WIND

020°8 kt

RCTP · 106 FT

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

METRIC

NOW · 02Z

+6H

+12H

+18H

WIND

020°/8

VIS

6+ SM

CEILING

—

LAYERS

FEW020

T / Td

29 / 21

ALTIM

30.03"

// Interpretation

VFR with moderate winds at 020°/8 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 RCTP 130200Z 02008KT 350V050 9999 FEW020 29/21 Q1017 NOSIG RMK A3005

RCTP · day 13 at 02:00 UTC · wind from 020° at 8 kt · visibility 6+ SM · a few clouds at 2,000 ft · temp 29°C / dewpoint 21°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 020° @ 8 kt

2 USABLE · 2 AVOID

WIND

020°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

05L★ HDG 050° H7 kt X4 kt LEFT PRIMARY · 12,008'

05R HDG 050° H7 kt X4 kt LEFT 10,991'

TAILWIND ENDS · AVOID 2 ends

23R HDG 230° T7 kt X4 kt RIGHT —

23L HDG 230° T7 kt X4 kt RIGHT —

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 +14°C

1,700FT

+1,594 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV106 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT-6 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 · 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 LEVEL14,752 ft VFR MARGINunlimited

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

21:53ZSUNRISE

03:42ZSOLAR NOON

09:32ZSUNSET

09:55ZCIVIL END

CURRENT02:27Z DAYLIGHT REMAINING7h 04m VFR NIGHT BEGINS09:55Z (7h 27m) DAY LENGTH11h 38m

Waxing Crescent

ILLUMINATION3% MOONRISE23:16Z MOONSET10:55Z FULL MOON IN13 days

// Nearest reporting stations

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

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