// Station · 12h 58m ago · STALE · HARD STALE

FACV

Calvinia Airport

CAT VFR

WIND 070° / 11 kt

VIS 6+ SM

CEILING CLR

T/Td 18°C / 7°C

ALTIM 30.30 inHg

ELEV 3,250 FT

31.5003°S / 19.7259°E

LOCATION · Calvinia, ZA

WIND

070°11 kt

FACV · 3,250 FT

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

METRIC

NOW · 08Z

+6H

+12H

+18H

WIND

070°/11

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

18 / 7

ALTIM

30.30"

// Interpretation

VFR with moderate winds at 070°/11 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

SPECI FACV 300842Z 07011KT CAVOK 18/07 Q1026

FACV · day 30 at 08:42 UTC · wind from 070° at 11 kt · visibility 6+ SM · temp 18°C / dewpoint 7°C · altimeter 30.30" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 11 kt

1 USABLE · 1 AVOID

WIND

070°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

09★ HDG 090° H10 kt X4 kt LEFT PRIMARY · 4,101'

TAILWIND ENDS · AVOID 1 ends

27 HDG 270° T10 kt X4 kt RIGHT —

Pattern altitude: 4,250 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 +9°C

3,900FT

+650 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +1,300 FT

24h AGO18h12h6hNOW

FIELD ELEV3,250 FT OAT+18°C ISA DELTA+9°C PRESSURE ALT2,872 FT

// Performance equivalent Operating here right now feels like operating at FAKM (Kimberley Airport, Kimberley, elev 3,950 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+39%

-27%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+27%

-18%

Light jetCJ4, Phenom 300, M2

+16%

-12%

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 LEVEL12,341 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

05:32ZSUNRISE

10:40ZSOLAR NOON

15:47ZSUNSET

16:14ZCIVIL END

CURRENT21:40Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS16:14Z (past) DAY LENGTH10h 15m

Full Moon

ILLUMINATION100% MOONRISE17:03Z MOONSET03:18Z FULL MOON IN1 day

// Nearest reporting stations · 1 shown · 150 NM (sparse area)

FALW

—

Langebaanweg Airport · Langebaanweg

WIND: 020° / 4 kt
VIS: —
CEILING: CLR
DIST: 119 NM SW
AGE: 40m ago

// Area map · 120 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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