J-Power Koide Heliport
Daylight today(Aug 31, 2026, local time)
About 13h 3m 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 J-Power Koide Heliport
J-Power Koide Heliport is a heliport in Uonuma, Japan. It sits at an elevation of 318 ft (97 m). It observes Asia/Tokyo local time. The nearest airport is Tanaka Airstrip (JP-0438), about 12.4 nm to the sw.
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 |
| NIIGATA ACA-1 | Class E | Controlled | 700 ft MSL | 8000 ft MSL |
| JSDF H-1A | Special use | Danger | GND | 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 J-Power Koide Heliport.
Frequently asked questions
Where is J-Power Koide Heliport located?
J-Power Koide Heliport is heliport located in Uonuma, Japan, at an elevation of 318 ft (97 m).
What time zone is J-Power Koide Heliport in?
J-Power Koide Heliport is in the Asia/Tokyo time zone (UTC+09:00).
What is the magnetic variation at J-Power Koide Heliport?
The magnetic variation (declination) at J-Power Koide Heliport is approximately 8.5° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near J-Power Koide Heliport?
The nearest airport to J-Power Koide Heliport is Tanaka Airstrip (JP-0438), about 12.4 nm to the sw, followed by Niigata Airport and Nagano City Gliderport.
Is the information on this page suitable for flight planning?
No. J-Power Koide Heliport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.