JP-3491 Weather Mishima Dam Helipad
Hagi, Yamaguchi PrefectureElevation 79 ftHeliport
OFF-FIELD REFERENCE
Nearest report: RJOW · 32 NM E · 17 min old
Ceiling 6,000 ft, visibility 1.86 SM, mist.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · RJOW
WIND
150@7
steady
VISIBILITY
1.86 SM
3 km
CEILING
6,000 ft
lowest BKN/OVC
OUR HEADSET PICK · NOT SPONSORED
DC
David Clark DC ONE-X
Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.
Visit David ClarkRUNWAYS & WIND
Crosswind calculator
No runway layout is available for JP-3491. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS
Field elevation
Field elevation
79 ft MSL
Density and pressure altitude need a current temperature and altimeter from the METAR.
DAYLIGHT & NIGHT
Sun & logging windows
Sunset
0828Z 5:28 PM
Sunrise
2130Z 6:30 AM
Loggable night
0854Z (5:54 PM local) → 2104Z (6:04 AM local)
end of evening to start of morning civil twilight
Position lights required
0828Z (5:28 PM local) → 2130Z (6:30 AM local)
sunset to sunrise (91.209)
Night passenger currency
0928Z (6:28 PM local) → 2030Z (5:30 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
Mishima Dam Helipad is in Hagi, Yamaguchi Prefecture. Field elevation 79 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.
OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATAJP-3491
RegionYamaguchi Prefecture
CountryJapan
Coordinates34.7690, 131.1533
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-3491 have a METAR?
No on-field METAR is issued for JP-3491. This page uses the nearest reporting station as a reference.
Does JP-3491 have a TAF?
No TAF is issued directly for JP-3491. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at JP-3491?
JP-3491 sits at 79 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for JP-3491?
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.