RJCY METAR JASDF Yakumo Airbase
Yakumo, Hokkaidō PrefectureElevation 65 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: RJCH · 38 NM SE · 15 min old
Ceiling 16,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · RJCH
WIND
300@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
16,000 ft
lowest BKN/OVC
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Visit David ClarkRUNWAYS & WIND
Crosswind calculator
No runway layout is available for RJCY. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS
Field elevation
Field elevation
65 ft MSL
Density and pressure altitude need a current temperature and altimeter from the METAR.
DAYLIGHT & NIGHT
Sun & logging windows
Sunset
0741Z 4:41 PM
Sunrise
2104Z 6:04 AM
Loggable night
0810Z (5:10 PM local) → 2036Z (5:36 AM local)
end of evening to start of morning civil twilight
Position lights required
0741Z (4:41 PM local) → 2104Z (6:04 AM local)
sunset to sunrise (91.209)
Night passenger currency
0841Z (5:41 PM local) → 2004Z (5:04 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))
FAA definitions, shown in Zulu with airport-local time. Verify for your operation.
AIRPORT INFORMATION
Facility & services
JASDF Yakumo Airbase is in Yakumo, Hokkaidō Prefecture. Field elevation 65 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATARJCY
RegionHokkaidō Prefecture
CountryJapan
Coordinates42.2460, 140.2657
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY
Traffic patterns
Aircraft activity data is not available for this airport yet.
NEARBY AIRPORTS
Weather reference stations
FREQUENTLY ASKED
Does RJCY have a METAR?
Yes. RJCY is a METAR-reporting station; the current observation loads live on this page.
Does RJCY have a TAF?
When RJCY issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at RJCY?
RJCY sits at 65 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for RJCY?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.