// Station · 22m ago

DAAS

Ain Arnat Airport

CAT VFR

WIND 020° / 3 kt

VIS 6+ SM

CEILING CLR

T/Td 21°C / 7°C

ALTIM 30.18 inHg

ELEV 3,360 FT

36.1785°N / 5.3299°E

LOCATION · Sétif, DZ

WIND

020°3 kt

DAAS · 3,360 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

020°/3

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

21 / 7

ALTIM

30.18"

// Interpretation

VFR with light winds at 020°/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 DAAS 190000Z 02003KT CAVOK 21/07 Q1022

DAAS · day 19 at 00:00 UTC · wind from 020° at 3 kt · visibility 6+ SM · temp 21°C / dewpoint 7°C · altimeter 30.18" Hg

// Runway analysis · computed from current METAR wind

Wind 020° @ 3 kt

ALL USABLE · WINDS CALM

WIND

020°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

09 HDG 090° —CALM —— 9,498'

27 HDG 270° —CALM —— 9,498'

Pattern altitude: 4,360 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

4,600FT

+1,240 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3,360 FT OAT+21°C ISA DELTA+12°C PRESSURE ALT3,100 FT

// Performance equivalent Operating here right now feels like operating at DAOY (El Bayadh Airport, El Bayadh, elev 4,493 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+46%

-32%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+32%

-21%

Light jetCJ4, Phenom 300, M2

+18%

-14%

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 LEVEL13,966 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+0)

05:01ZSUNRISE

11:43ZSOLAR NOON

18:26ZSUNSET

18:53ZCIVIL END

CURRENT00:22Z DAYLIGHT REMAINING18h 03m VFR NIGHT BEGINS18:53Z (18h 30m) DAY LENGTH13h 25m

Waxing Crescent

ILLUMINATION32% MOONRISE09:38Z MOONSET23:04Z FULL MOON IN9 days

// Nearest reporting stations

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

AIRSPACE

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