// Station · 11m ago

DABC

Mohamed Boudiaf International Airport

CAT VFR

WIND 240° / 9 kt

VIS 6+ SM

CEILING CLR

T/Td 38°C / 3°C

ALTIM 30.06 inHg

ELEV 2,265 FT

36.2760°N / 6.6204°E

LOCATION · Constantine, DZ

WIND

240°9 kt

DABC · 2,265 FT

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

METRIC

NOW · 18Z

+6H

+12H

+18H

WIND

240°/9

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

38 / 3

ALTIM

30.06"

// Interpretation

VFR with moderate winds at 240°/9 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 DABC 251800Z 24009KT CAVOK 38/03 Q1018

DABC · day 25 at 18:00 UTC · wind from 240° at 9 kt · visibility 6+ SM · temp 38°C / dewpoint 3°C · altimeter 30.06" Hg

// Runway analysis · computed from current METAR wind

Wind 240° @ 9 kt

2 USABLE · 2 AVOID · 2 CAUTION

WIND

240°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

31★ HDG 310° H3 kt X8 kt LEFT PRIMARY · 7,874'

16 HDG 160° H2 kt X9 kt RIGHT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 2 ends

34 HDG 340° T2 kt X9 kt LEFT —

13 HDG 130° T3 kt X8 kt RIGHT —

Pattern altitude: 3,265 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 +27°C

5,400FT

+3,135 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV2,265 FT OAT+38°C ISA DELTA+27°C PRESSURE ALT2,123 FT

// Performance equivalent Your aircraft will perform as if it's at a field 5,400 ft high on a standard ISA day — that's +3,135 ft above DABC's actual elevation.

// Aircraft performance impact DANGEROUS

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+54%

-38%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+38%

-24%

Light jetCJ4, Phenom 300, M2

+22%

-16%

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 LEVEL21,457 ft VFR MARGINunlimited

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

05:00ZSUNRISE

11:37ZSOLAR NOON

18:13ZSUNSET

18:40ZCIVIL END

CURRENT18:11Z DAYLIGHT REMAINING1m VFR NIGHT BEGINS18:40Z (28m) DAY LENGTH13h 13m

Waxing Gibbous

ILLUMINATION94% MOONRISE15:07Z MOONSET04:20Z FULL MOON IN2 days

// Nearest reporting stations

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

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