JP-2661 Weather Oyama Tunnel Heliport
Annaka, Gunma PrefectureElevation 2,575 ftHeliport
OFF-FIELD REFERENCE
Nearest report: RJAF · 37 NM W · More than 1 hour old
Ceiling 11,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · RJAF
WIND
VRB@2
steady
VISIBILITY
10 SM
16.1 km
CEILING
11,000 ft
lowest BKN/OVC
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Visit David ClarkRUNWAYS & WIND
Crosswind calculator
No runway layout is available for JP-2661. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS
Field elevation
Field elevation
2,575 ft MSL
Density and pressure altitude need a current temperature and altimeter from the METAR.
DAYLIGHT & NIGHT
Sun & logging windows
Sunset
0757Z 4:57 PM
Sunrise
2101Z 6:01 AM
Loggable night
0823Z (5:23 PM local) → 2035Z (5:35 AM local)
end of evening to start of morning civil twilight
Position lights required
0757Z (4:57 PM local) → 2101Z (6:01 AM local)
sunset to sunrise (91.209)
Night passenger currency
0857Z (5:57 PM local) → 2001Z (5:01 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
Oyama Tunnel Heliport is in Annaka, Gunma Prefecture. Field elevation 2,575 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAJP-2661
RegionGunma Prefecture
CountryJapan
Coordinates36.2904, 138.6711
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY
Traffic patterns
Aircraft activity data is not available for this airport yet.
NEARBY AIRPORTS
Weather reference stations
OFFICIAL LINKS & SOURCES
FREQUENTLY ASKED
Does JP-2661 have a METAR?
No on-field METAR is issued for JP-2661. This page uses the nearest reporting station as a reference.
Does JP-2661 have a TAF?
No TAF is issued directly for JP-2661. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at JP-2661?
JP-2661 sits at 2,575 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for JP-2661?
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.