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// Station · 11m ago

NZCH

Christchurch International Airport
CAT VFR
WIND 300° / 4 kt
VIS 6+ SM
CEILING CLR
T/Td -1°C / -2°C
ALTIM 30.18 inHg
ELEV 123 FT
43.4890°S / 172.5321°E
LOCATION · Christchurch, NZ
N
WIND
300°4 kt
NZCH · 123 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
300°/4
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
-1 / -2
 
 
 
ALTIM
30.18"
 
 
 

// Interpretation

VFR with light winds at 300°/4 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 111500Z AUTO 30004KT 9999 NCD M01/M02 Q1022

NZCH · day 11 at 15:00 UTC · wind from 300° at 4 kt · visibility 6+ SM · temp -1°C / dewpoint -2°C · altimeter 30.18" Hg

// Runway analysis · computed from current METAR wind

Wind 300° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
300°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 6 ends
02 HDG 020° CALM 10,787'
20 HDG 200° CALM 10,787'
11 HDG 110° CALM 5,587'
29 HDG 290° CALM 5,587'
01 HDG 010° CALM 1,690'
19 HDG 190° CALM 1,690'
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 -16°C

-2,100FT
-2,223 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -400 FT
-400 -1,450 -2,500
24h AGO18h12h6hNOW
FIELD ELEV123 FT OAT-1°C ISA DELTA-16°C PRESSURE ALT-137 FT
// Performance equivalent Your aircraft will perform as if it's at a field -2,100 ft high on a standard ISA day — that's -2,223 ft above NZCH'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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 123 FT NZCH ELEV · 123 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL123 ft VFR MARGINunlimited

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

20:01ZSUNRISE
00:36ZSOLAR NOON
05:11ZSUNSET
05:43ZCIVIL END
CURRENT15:11Z DAYLIGHT REMAINING14h 00m VFR NIGHT BEGINS05:43Z (14h 32m) DAY LENGTH9h 09m
Waning Crescent
ILLUMINATION11% MOONRISE17:27Z MOONSET02:37Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of NZCH.

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

© OpenStreetMap · CartoDB · OpenAIP
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