// Station · 57m ago

ETHA

Altenstadt Army Airfield

CAT —

WIND 250° / 3 kt

VIS 6+ SM

CEILING —

T/Td 12°C / 11°C

ALTIM 30.09 inHg

ELEV 2,425 FT

47.8355°N / 10.8712°E

LOCATION · Altenstadt, DE

WIND

250°3 kt

ETHA · 2,425 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

250°/3

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

12 / 11

ALTIM

30.09"

// Interpretation

VFR with light winds at 250°/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 ETHA 290020Z AUTO 25003KT 9999 // ////// 12/11 Q1019 ///

ETHA · day 29 at 00:20 UTC · wind from 250° at 3 kt · visibility 6+ SM · temp 12°C / dewpoint 11°C · altimeter 30.09" Hg

// Runway analysis · computed from current METAR wind

Wind 250° @ 3 kt

ALL USABLE · WINDS CALM

WIND

250°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

09 HDG 090° —CALM —— 2,297'

27 HDG 270° —CALM —— 2,297'

Pattern altitude: 3,425 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 +1°C

2,400FT

-25 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV2,425 FT OAT+12°C ISA DELTA+1°C PRESSURE ALT2,254 FT

// Performance equivalent Operating here right now feels like operating at EDJA (Memmingen Allgau Airport, Memmingen, elev 2,077 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+24%

-17%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+17%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-7%

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 · 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 LEVEL8,486 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

04:31ZSUNRISE

11:19ZSOLAR NOON

18:06ZSUNSET

18:38ZCIVIL END

CURRENT01:17Z DAYLIGHT REMAINING16h 49m VFR NIGHT BEGINS18:38Z (17h 21m) DAY LENGTH13h 34m

Waning Gibbous

ILLUMINATION99% MOONRISE17:18Z MOONSET06:53Z FULL MOON IN29 days

// Nearest reporting stations

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

AIRSPACE

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