// Station · 14m ago

RJAA

Narita International Airport

CAT VFR

WIND 150° / 3 kt

VIS 6+ SM

CEILING CLR

T/Td 23°C / 21°C

ALTIM 29.88 inHg

ELEV 141 FT

35.7686°N / 140.3887°E

LOCATION · Narita, JP

WIND

150°3 kt

RJAA · 141 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

150°/3

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

23 / 21

ALTIM

29.88"

// Interpretation

VFR with light winds at 150°/3 kt. Visibility 6+ SM and no reported cloud layers. 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 RJAA 111500Z AUTO 15003KT 9999 NSC 23/21 Q1012 NOSIG

RJAA · day 11 at 15:00 UTC · wind from 150° at 3 kt · visibility 6+ SM · temp 23°C / dewpoint 21°C · altimeter 29.88" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 3 kt

ALL USABLE · WINDS CALM

WIND

150°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

16R HDG 160° —CALM —— 13,123'

34L HDG 340° —CALM —— 13,123'

16L HDG 160° —CALM —— 8,202'

34R HDG 340° —CALM —— 8,202'

Pattern altitude: 1,141 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 +8°C

1,200FT

+1,059 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +300 FT

24h AGO18h12h6hNOW

FIELD ELEV141 FT OAT+23°C ISA DELTA+8°C PRESSURE ALT177 FT

// Performance equivalent Operating here right now feels like operating at RJSF (Fukushima Airport, Sukagawa, elev 1,221 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL11,757 ft VFR MARGINunlimited

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

19:32ZSUNRISE

02:45ZSOLAR NOON

09:57ZSUNSET

10:27ZCIVIL END

CURRENT15:14Z DAYLIGHT REMAINING18h 43m VFR NIGHT BEGINS10:27Z (19h 12m) DAY LENGTH14h 24m

Waning Crescent

ILLUMINATION11% MOONRISE16:58Z MOONSET07:23Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 60 NM radius

RJTY

VFR

Yokota Air Base · Fussa

WIND: CALM
VIS: 10+ SM
CEILING: CLR
DIST: 51 NM W
AGE: 19m ago

RJTR

VFR

Camp Zama Kastner Army Heliport · Sagamihara / Zama

WIND: CALM
VIS: 10+ SM
CEILING: FEW240
DIST: 51 NM W
AGE: 19m ago

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

AIRSPACE

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