Sonohara Dam Heliport
Daylight today(Sep 1, 2026, local time)
About 12h 59m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Sonohara Dam Heliport
Sonohara Dam Heliport is a heliport in Numata, Japan. It sits at an elevation of 2,048 ft (624 m). It observes Asia/Tokyo local time. The nearest airport is Isesaki Auxiliary Airfield (JP-0363), about 20.6 nm to the s.
Summary generated from this airport’s structured data — reference only.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (0)
No runway data recorded for this airport.
Airspace in this area(4)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| YOKOTA ACA-1 | Class E | Controlled | 700 ft MSL | FL230 |
| JSDF H-1A | Special use | Danger | GND | FL230 |
| JSDF H-1B | Special use | Danger | 10000 ft MSL | FL230 |
| JSDF 3-1 | Special use | Danger | GND | 10000 ft MSL |
Approximate bounding-box match from OpenAIP · all Japan airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from Sonohara Dam Heliport.
Frequently asked questions
Where is Sonohara Dam Heliport located?
Sonohara Dam Heliport is heliport located in Numata, Japan, at an elevation of 2,048 ft (624 m).
What time zone is Sonohara Dam Heliport in?
Sonohara Dam Heliport is in the Asia/Tokyo time zone (UTC+09:00).
What is the magnetic variation at Sonohara Dam Heliport?
The magnetic variation (declination) at Sonohara Dam Heliport is approximately 8.3° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Sonohara Dam Heliport?
The nearest airport to Sonohara Dam Heliport is Isesaki Auxiliary Airfield (JP-0363), about 20.6 nm to the s, followed by Kamisato Gliderport and Ojima R/C Skyport.
Is the information on this page suitable for flight planning?
No. Sonohara Dam Heliport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.