// Station · 14m ago

EHKD

De Kooy Airfield / Den Helder Naval Air Station

CAT MVFR

WIND 150° / 9 kt

VIS 6+ SM

CEILING OVC at 2,400 ft

T/Td 13°C / 11°C

ALTIM 30.03 inHg

ELEV 3 FT

52.9234°N / 4.7806°E

LOCATION · Den Helder, NL

WIND

150°9 kt

EHKD · 3 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

150°/9

VIS

6+ SM

CEILING

OVC024

LAYERS

OVC024

T / Td

13 / 11

ALTIM

30.03"

// Interpretation

MVFR — ceiling 2,400 ft. Moderate winds at 150°/9 kt, visibility 6+ SM, overcast at 2,400 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR EHKD 130055Z AUTO 15009KT 120V180 9999 OVC024 13/11 Q1017 WHT

EHKD · day 13 at 00:55 UTC · wind from 150° at 9 kt · visibility 6+ SM · overcast at 2,400 ft · temp 13°C / dewpoint 11°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 150° @ 9 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

150°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

21★ HDG 210° H5 kt X8 kt LEFT PRIMARY · 4,183'

TAILWIND ENDS · AVOID 1 ends

03 HDG 030° T4 kt X8 kt RIGHT —

Pattern altitude: 1,003 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

-400FT

-403 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3 FT OAT+13°C ISA DELTA-2°C PRESSURE ALT-109 FT

// Performance equivalent Operating here right now feels like operating at EHAM (Amsterdam Airport Schiphol, Amsterdam, elev -11 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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)

OVC024

Overcast · base 2,400 ft AGL · 8 oktas

// Computed

CEILING2,400 ft AGL HIGHEST LAYER2,400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL6,569 ft VFR MARGIN-600 ft

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

06:03ZSUNRISE

11:28ZSOLAR NOON

16:52ZSUNSET

17:27ZCIVIL END

CURRENT01:09Z DAYLIGHT REMAINING15h 43m VFR NIGHT BEGINS17:27Z (16h 18m) DAY LENGTH10h 48m

Waxing Crescent

ILLUMINATION3% MOONRISE07:25Z MOONSET18:13Z FULL MOON IN13 days

// Nearest reporting stations

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

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