// Station · 3h 29m ago · STALE

SCTB

Eulogio Sánchez Airport

CAT VFR

WIND CALM

VIS 6+ SM

CEILING BKN at 13,000 ft

T/Td 13°C / 10°C

ALTIM 29.94 inHg

ELEV 2,129 FT

33.4563°S / 70.5467°W

LOCATION · Santiago, CL

WIND

000°0 kt

SCTB · 2,129 FT

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

METRIC

NOW · 23Z

+6H

+12H

+18H

WIND

CALM

VIS

6+ SM

CEILING

BKN130

LAYERS

BKN130

T / Td

13 / 10

ALTIM

29.94"

// Interpretation

VFR — ceiling 13,000 ft. Winds calm, visibility 6+ SM, broken at 13,000 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 SCTB 122300Z 00000KT 9999 BKN130 13/10 Q1014

SCTB · day 12 at 23:00 UTC · winds calm · visibility 6+ SM · broken layer at 13,000 ft · temp 13°C / dewpoint 10°C · altimeter 29.94" 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

01 HDG 010° —CALM —— 3,280'

19 HDG 190° —CALM —— 3,280'

Pattern altitude: 3,129 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

2,400FT

+271 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +300 FT

24h AGO18h12h6hNOW

FIELD ELEV2,129 FT OAT+13°C ISA DELTA+2°C PRESSURE ALT2,106 FT

// Performance equivalent Operating here right now feels like operating at SCTT (Las Breas Airport, Taltal, elev 2,580 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+24%

-17%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+17%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-7%

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)

BKN130

Broken · base 13,000 ft AGL · ~5–7 oktas

// Computed

CEILING13,000 ft AGL HIGHEST LAYER13,000 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL8,695 ft VFR MARGIN+10,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

10:06ZSUNRISE

16:29ZSOLAR NOON

22:53ZSUNSET

23:18ZCIVIL END

CURRENT02:29Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:18Z (past) DAY LENGTH12h 47m

Waxing Crescent

ILLUMINATION3% MOONRISE11:29Z MOONSET00:17Z 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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