// Station · 22m ago

YBLN

Busselton Margaret River Regional Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING OVC at 4,100 ft

T/Td 12°C / 12°C

ALTIM 30.27 inHg

ELEV 55 FT

33.6872°S / 115.4003°E

LOCATION · Busselton, AU

WIND

000°0 kt

YBLN · 55 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

OVC041

LAYERS

OVC041

T / Td

12 / 12

ALTIM

30.27"

// Interpretation

VFR — ceiling 4,100 ft. Winds calm, visibility 6+ SM, overcast at 4,100 ft. 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 YBLN 111900Z AUTO 00000KT 9999 // OVC041 12/12 Q1025

YBLN · day 11 at 19:00 UTC · winds calm · visibility 6+ SM · overcast at 4,100 ft · temp 12°C / dewpoint 12°C · altimeter 30.27" Hg

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

03 HDG 030° —CALM —— 8,071'

21 HDG 210° —CALM —— 8,071'

Pattern altitude: 1,055 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 -4°C

-700FT

-755 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↗ +600 FT

24h AGO18h12h6hNOW

FIELD ELEV55 FT OAT+12°C ISA DELTA-4°C PRESSURE ALT-293 FT

// Performance equivalent Your aircraft will perform as if it's at a field -700 ft high on a standard ISA day — that's -755 ft above YBLN's actual elevation.

// Aircraft performance impact MINOR

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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

OVC041

Overcast · base 4,100 ft AGL · 8 oktas

// Computed

CEILING4,100 ft AGL HIGHEST LAYER4,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL6,116 ft VFR MARGIN+1,100 ft

// Sun & Moon · times in Z · bar = local day (UTC+8)

23:23ZSUNRISE

04:25ZSOLAR NOON

09:26ZSUNSET

09:54ZCIVIL END

CURRENT19:22Z DAYLIGHT REMAINING14h 03m VFR NIGHT BEGINS09:54Z (14h 31m) DAY LENGTH10h 03m

Waning Crescent

ILLUMINATION10% MOONRISE20:57Z MOONSET07:01Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 150 NM (sparse area)

YPJT

VFR

Perth Jandakot Airport · Perth

WIND: CALM
VIS: 6+ SM
CEILING: CLR
DIST: 98 NM N
AGE: 22m ago

YPPH

VFR

Perth International Airport · Perth

WIND: CALM
VIS: 6+ SM
CEILING: CLR
DIST: 109 NM N
AGE: 22m ago

YPEA

VFR

RAAF Base Pearce · Bullsbrook

WIND: CALM
VIS: 6+ SM
CEILING: CLR
DIST: 125 NM N
AGE: 22m ago

// Area map · 140 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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