// Station · 8h 42m ago · STALE · HARD STALE

EGJA

Alderney Airport

CAT LIFR

WIND 240° / 12 kt

VIS 6+ SM

CEILING BKN at 400 ft

T/Td 17°C / 16°C

ALTIM 29.97 inHg

ELEV 290 FT

49.7061°N / 2.2147°W

LOCATION · Saint Anne, GG

WIND

240°12 kt

EGJA · 290 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

240°/12

VIS

6+ SM

CEILING

BKN004

LAYERS

BKN004

T / Td

17 / 16

ALTIM

29.97"

// Interpretation

LIFR — ceiling 400 ft. Moderate winds at 240°/12 kt, visibility 6+ SM, broken at 400 ft. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR EGJA 121720Z 24012KT 9999 BKN004 17/16 Q1015

EGJA · day 12 at 17:20 UTC · wind from 240° at 12 kt · visibility 6+ SM · broken layer at 400 ft · temp 17°C / dewpoint 16°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 240° @ 12 kt

3 USABLE · 3 AVOID · 1 CAUTION

WIND

240°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

26★ HDG 260° H11 kt X4 kt LEFT PRIMARY · 2,877'

21 HDG 210° H10 kt X6 kt RIGHT 1,631'

31 HDG 310° H4 kt X11 kt LEFT ⚠ HIGH XW · 92%

TAILWIND ENDS · AVOID 3 ends

13 HDG 130° T4 kt X11 kt RIGHT —

03 HDG 030° T10 kt X6 kt LEFT —

08 HDG 080° T11 kt X4 kt RIGHT —

Pattern altitude: 1,290 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 +2°C

500FT

+210 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV290 FT OAT+17°C ISA DELTA+2°C PRESSURE ALT237 FT

// Performance equivalent Operating here right now feels like operating at EGJB (Guernsey Airport, Saint Peter Port, elev 336 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+5%

-4%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+4%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-2%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN004

Broken · base 400 ft AGL · ~5–7 oktas

// Computed

CEILING400 ft AGL HIGHEST LAYER400 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL8,876 ft VFR MARGIN-2,600 ft

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

06:27ZSUNRISE

11:56ZSOLAR NOON

17:24ZSUNSET

17:57ZCIVIL END

CURRENT02:02Z DAYLIGHT REMAINING15h 22m VFR NIGHT BEGINS17:57Z (15h 54m) DAY LENGTH10h 56m

Waxing Crescent

ILLUMINATION3% MOONRISE07:50Z MOONSET18:47Z FULL MOON IN13 days

// Nearest reporting stations

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

AIRSPACE

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