// Station · 9h 22m ago · STALE · HARD STALE
RJTF
Chofu Airport
CAT VFR
WIND 150° / 10 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 29°C / 22°C
ALTIM 29.88 inHg
ELEV 141 FT
35.6717°N / 139.5280°E
LOCATION · Chofu, JP
WIND
150°10 kt
RJTF · 141 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
150°/10
VIS
6+ SM
CEILING
—
LAYERS
FEW030
T / Td
29 / 22
ALTIM
29.88"
// Interpretation
VFR with moderate winds at 150°/10 kt. Visibility 6+ SM and a few at 3,000 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR RJTF 110800Z 15010KT 9999 FEW030 BKN/// 29/22 Q1012
RJTF · day 11 at 08:00 UTC · wind from 150° at 10 kt · visibility 6+ SM · a few clouds at 3,000 ft · temp 29°C / dewpoint 22°C · altimeter 29.88" Hg
// Runway analysis · computed from current METAR wind
Wind 150° @ 10 kt
1 USABLE · 1 AVOID
WIND
150°10 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
1 usable
17★
HDG 170°
H9 kt
X3 kt LEFT
PRIMARY · 2,625'
TAILWIND ENDS · AVOID
1 ends
35
HDG 350°
T9 kt
X3 kt RIGHT
—
Pattern altitude: 1,141 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 +14°C
1,900FT
+1,759 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +200 FT
24h AGO18h12h6hNOW
FIELD ELEV141 FT
OAT+29°C
ISA DELTA+14°C
PRESSURE ALT177 FT
// Performance equivalent
Operating here right now feels like operating at RJAF
(Shinshu-Matsumoto Airport, Matsumoto, elev 2,182 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+19%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%
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
// Sun & Moon · times in Z · bar = local day (UTC+9)
19:36ZSUNRISE
02:48ZSOLAR NOON
10:00ZSUNSET
10:30ZCIVIL END
CURRENT17:22Z
DAYLIGHT REMAINING16h 37m
VFR NIGHT BEGINS10:30Z (17h 07m)
DAY LENGTH14h 24m
Waning Crescent
ILLUMINATION10%
MOONRISE17:06Z
MOONSET07:31Z
FULL MOON IN18 days
// Nearest reporting stations · 4 shown · 60 NM radius
RJTY
VFR
Yokota Air Base · Fussa
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 10 NM NW
- AGE
- 27m ago
RJTR
VFR
Camp Zama Kastner Army Heliport · Sagamihara / Zama
- WIND
- CALM
- VIS
- 9.0 SM
- CEILING
- OVC220
- DIST
- 12 NM SW
- AGE
- 24m ago
RJTT
VFR
Tokyo Haneda International Airport · Tokyo
- WIND
- 180° / 9 kt
- VIS
- 6+ SM
- CEILING
- FEW025
- DIST
- 15 NM SE
- AGE
- 22m ago
RJAA
VFR
Narita International Airport · Narita
- WIND
- 140° / 4 kt
- VIS
- 6+ SM
- CEILING
- CLR
- DIST
- 42 NM E
- AGE
- 22m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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