Port of Aio

The approach to Aio is supported by 5 navigation aids within 50 nautical miles. The nearest is Aio Kō Lighthouse at 0.3 NM to the E. Other aids include Kusayama Saki (1.8 NM SSE), Iwayano Hana (1.9 NM SW), Suō Tateishi (2.4 NM WSW), Saba Shima (5.1 NM ESE). Mariners should consult the relevant chart and List of Lights for full approach details.

The Port of Aio is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This strategic position influences vessel traffic density, anchorage availability, and port scheduling.

You can track vessels near Aio (JPAII) in real time using MarineRadar. The platform displays live AIS positions of nearby ships, including vessel name, type, flag, speed, and course.

The Port of Aio is a port in JP. Its UN/LOCODE is JPAII — the five-character code the UNECE assigns to trade and transport locations, and the identifier used on shipping documents and in port calls.

The first two characters, JP, are the ISO country code for JP. The remaining three identify the location within that country. The code is issued by the United Nations Economic Commission for Europe and is the international standard for naming ports in trade and transport systems.

The Port of Aio operates in the UTC+9 time zone. Operating hours, VTS schedules, and pilot availability vary — vessel agents should confirm with the port authority in advance, especially for night arrivals or weekend operations.

AIO (UN/Locode: JPAII), Japan is a seaport located at approximately 34.00935° N, 131.42060° E.

Coordinates: 34.00935° N, 131.42060° E. Nearby terminals/ports:HOFU — UN/Locode: JPHOF — 34.02169° N, 131.49070° ENAKANOSEKI — UN/Locode: JPNAN — 34.00214° N, 131.55350° EMITAJIRI — UN/Locode: JPMJR — 34.03077° N, 131.59640° E

Entrance/operational restrictions — tide: no specific restriction; swell: no specific restriction; ice: none; overhead limits: none and other: none noted.

Communication & port formalities — telephone: not available; radio (VHF): not available; air services: not available; rail: not available; ETA message: not required; quarantine pratique: not available; deratting certificate: not available and first port of entry: not available. Pilotage & towage — pilotage: not available; tug assistance: not available and tug salvage: not available.

Vessel types historically calling: General Cargo and Special Craft.