// Station · 30m ago

EFHK

Helsinki Vantaa Airport

CAT VFR

WIND 020° / 10 kt

VIS 6+ SM

CEILING CLR

T/Td 27°C / 17°C

ALTIM 29.97 inHg

ELEV 179 FT

60.3184°N / 24.9633°E

LOCATION · Helsinki (Vantaa), FI

WIND

020°10 kt

EFHK · 179 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

020°/10

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

27 / 17

ALTIM

29.97"

// Interpretation

VFR with moderate winds at 020°/10 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 EFHK 111550Z 02010KT 340V050 CAVOK 27/17 Q1015 NOSIG

EFHK · day 11 at 15:50 UTC · wind from 020° at 10 kt · visibility 6+ SM · temp 27°C / dewpoint 17°C · altimeter 29.97" Hg

// Runway analysis · computed from current METAR wind

Wind 020° @ 10 kt

3 USABLE · 3 AVOID · 1 CAUTION

WIND

020°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

04L★ HDG 040° H9 kt X3 kt LEFT PRIMARY · 10,039'

04R HDG 040° H9 kt X3 kt LEFT 11,286'

33 HDG 330° H6 kt X8 kt RIGHT ⚠ HIGH XW · 80%

TAILWIND ENDS · AVOID 3 ends

15 HDG 150° T6 kt X8 kt LEFT —

22R HDG 220° T9 kt X3 kt RIGHT —

22L HDG 220° T9 kt X3 kt RIGHT —

Pattern altitude: 1,179 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

1,600FT

+1,421 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +800 FT

24h AGO18h12h6hNOW

FIELD ELEV179 FT OAT+27°C ISA DELTA+12°C PRESSURE ALT126 FT

// Performance equivalent Your aircraft will perform as if it's at a field 1,600 ft high on a standard ISA day — that's +1,421 ft above EFHK's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+16%

-11%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+11%

-7%

Light jetCJ4, Phenom 300, M2

+6%

-5%

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.

// 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 LEVEL13,815 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+2)

01:13ZSUNRISE

10:26ZSOLAR NOON

19:39ZSUNSET

21:07ZCIVIL END

CURRENT16:20Z DAYLIGHT REMAINING3h 19m VFR NIGHT BEGINS21:07Z (4h 47m) DAY LENGTH18h 25m

Waning Crescent

ILLUMINATION11% MOONRISE22:42Z MOONSET17:07Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of EFHK.

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

AIRSPACE

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