// Station · 22m ago

PTYA

Yap International Airport

CAT VFR

WIND VRB / 4 kt

VIS 10+ SM

CEILING BKN at 13,000 ft

T/Td 26.8°C / 26.3°C

ALTIM 29.85 inHg

WX -SHRA

ELEV 91 FT

9.4989°N / 138.0830°E

LOCATION · Yap Island, FM

WIND

VRB4 kt

PTYA · 91 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

VRB/4

VIS

10+ SM

CEILING

BKN130

LAYERS

SCT016 BKN130 OVC300

T / Td

27 / 26

ALTIM

29.85"

// Interpretation

VFR — ceiling 13,000 ft. Light winds at variable/4 kt, visibility better than 10 statute miles, scattered at 1,600 ft, broken at 13,000 ft, and overcast at 30,000 ft. Reported weather: -SHRA. 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 PTYA 111353Z VRB04KT 10SM -SHRA SCT016CB BKN130 OVC300 27/26 A2985 RMK SHRAB27E38B50 CB ALQDS SLP108 T02680263

PTYA · day 11 at 13:53 UTC · wind variable at 4 kt · visibility 10+ SM · scattered layer at 1,600 ft · broken layer at 13,000 ft · overcast at 30,000 ft · temp 27°C / dewpoint 26°C · altimeter 29.85" Hg · weather: -SHRA · sea-level pressure 1010.8 mb

// 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

07 HDG 070° —CALM —— 6,000'

25 HDG 250° —CALM —— 6,000'

Pattern altitude: 1,091 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

1,600FT

+1,509 FT ABOVE FIELD ELEV

FIELD ELEV91 FT OAT+27°C ISA DELTA+12°C PRESSURE ALT159 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,600 ft high on a standard ISA day — that's +1,509 ft above PTYA's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+16%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC300

Overcast · base 30,000 ft AGL · 8 oktas

BKN130

Broken · base 13,000 ft AGL · ~5–7 oktas

SCT016

Scattered · base 1,600 ft AGL · ~3–4 oktas

// Computed

CEILING13,000 ft AGL HIGHEST LAYER30,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,626 ft VFR MARGIN+10,000 ft

// Sun & Moon · times in Z · bar = local day (UTC+9)

20:34ZSUNRISE

02:54ZSOLAR NOON

09:13ZSUNSET

09:36ZCIVIL END

CURRENT14:15Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS09:36Z (past) DAY LENGTH12h 38m

Waning Crescent

ILLUMINATION11% MOONRISE17:58Z MOONSET06:37Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of PTYA.

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

AIRSPACE

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