// Station · 7m ago

NZCH

Christchurch International Airport

CAT VFR

WIND 300° / 16 kt

VIS 6+ SM

CEILING CLR

T/Td 26°C / 9°C

ALTIM 29.74 inHg

ELEV 123 FT

43.4890°S / 172.5321°E

LOCATION · Christchurch, NZ

WIND

300°16 kt

NZCH · 123 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

300°/16

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

26 / 9

ALTIM

29.74"

// Interpretation

VFR with brisk winds at 300°/16 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 NZCH 130100Z AUTO 30016KT 260V330 9999 NCD 26/09 Q1007

NZCH · day 13 at 01:00 UTC · wind from 300° at 16 kt · visibility 6+ SM · temp 26°C / dewpoint 9°C · altimeter 29.74" Hg

// Runway analysis · computed from current METAR wind

Wind 300° @ 16 kt

3 USABLE · 3 AVOID · 2 CAUTION

WIND

300°16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

29★ HDG 290° H16 kt X3 kt RIGHT PRIMARY · 5,587'

01 HDG 010° H5 kt X15 kt LEFT ⚠ HIGH XW · 94%

02 HDG 020° H3 kt X16 kt LEFT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 3 ends

20 HDG 200° T3 kt X16 kt RIGHT —

19 HDG 190° T5 kt X15 kt RIGHT —

11 HDG 110° T16 kt X3 kt LEFT —

Pattern altitude: 1,123 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

1,700FT

+1,577 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV123 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT306 FT

// Performance equivalent Operating here right now feels like operating at NZGT (Glentanner Airport, Glentanner Station, elev 1,824 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-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. 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 · 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 LEVEL13,254 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+12)

17:43ZSUNRISE

00:17ZSOLAR NOON

06:50ZSUNSET

07:20ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING5h 43m VFR NIGHT BEGINS07:20Z (6h 12m) DAY LENGTH13h 06m

Waxing Crescent

ILLUMINATION3% MOONRISE19:04Z MOONSET08:11Z 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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