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Port of Aioi

JPAIO🇯🇵Japan

Port Location

About Port of Aioi

Also known as: Aioi Harbor, Aioi Ko, Aioi Kō, Aioi-ko, Aioi-kō, O Ko

Aioi is a small, sheltered natural harbor in Japan. It handles bulk carriers, general cargo, tankers, and passenger vessels. The port features floating cranes and offers anchorage loading and offloading services.

Current Conditions

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Vessel Limits

Max Draft
8.05m
Channel Depth
6ft
Tidal Range
1ft
Elevation
-9999m

Operations & Services

Port of Entry
Yes
Pilotage Compulsory
Unknown
Tug Assistance
Yes
Cranes
Floating
Drydock
L
Repair Code
A

References & Identifiers

WPI No.
61570 →
GeoNames ID
1865657 →
Wikidata
Q30937432 →

Identification

UN/LOCODE
JPAIO
Country
🇯🇵Japan
Time Zone
UTC+9
Feature Type
HBR (Harbor)

Classification

Type
Port
Harbor Type
Coastal natural
Shelter
Fair

Region

Subdivision
JP-28
Area
Japan Coast
Latitude
34.7942°
Longitude
134.4653°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

What are the draft restrictions at the Port of Aioi?+
The controlling depth at Aioi is 8.05 meters. Draft restrictions should be confirmed with the port authority before arrival, as silting, dredging operations, and tidal conditions can affect available depths. Pilotage is typically required for larger vessels.
How do I navigate the approach to the Port of Aioi?+
The approach to Aioi is supported by 5 navigation aids within 50 nautical miles. The nearest is Kazurashima Lighthouse at 2.8 NM to the S with a nominal range of 7 NM. Other aids include Akomisaki (4.8 NM SW), Ozakihana (7.4 NM SSE), Unoisi Hana (8.2 NM SW), Hirohata Kō (8.3 NM ESE). Mariners should consult the relevant chart and List of Lights for full approach details.
What major shipping routes pass near the Port of Aioi?+
The Port of Aioi 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.
How do I track vessels arriving at or departing from the Port of Aioi?+
You can track vessels near Aioi (JPAIO) in real time using MarineRadar. The platform displays live AIS positions of nearby ships, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page or search for JPAIO on the live map.
What are the operating hours and time zone for the Port of Aioi?+
The Port of Aioi 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.
What is the Port of Aioi?+
AIOI (UN/Locode: JPAIO), Japan is a seaport located at approximately 34.79422° N, 134.46530° E.
Where is the Port of Aioi located?+
Coordinates: 34.79422° N, 134.46530° E. Nearby terminals/ports:AKOH — UN/Locode: JPAKO — 34.73000° N, 134.40000° EABOSHI/HIMEJI — UN/Locode: JPABO — 34.76000° N, 134.57000° EHIROHATA — UN/Locode: JPHRH — 34.77119° N, 134.61240° E
What facilities are available at the Port of Aioi?+
Harbor type/size: Coastal Natural and Very Small. Cranes: floating cranes. Lifting: 0–24 MT lifts, 25–49 MT lifts, 50–100 MT lifts and 100 MT+ lifts. Support: anchorage loading/offloading and good holding ground. Depths: channel depth 6.4m - 7.6m; anchorage depth 6.4m - 7.6m; cargo pier depth 4.9m - 6.1m and maximum draft approx. 8.05 m.
What are the operational restrictions at the Port of Aioi?+
Entrance/operational restrictions — tide: no specific restriction; swell: no specific restriction; ice: none; overhead limits: apply and other: may apply.
What are the communications and port formalities at the Port of Aioi?+
Communication & port formalities — telephone: not available; radio (VHF): available; air services: not available; rail: not available; ETA message: required; quarantine pratique: available; deratting certificate: not available and first port of entry: available. Pilotage & towage — pilotage: available; pilotage advisable; tug assistance: available and tug salvage: not available.
What types of vessels historically call at the Port of Aioi?+
Vessel types historically calling: Bulk Carrier, General Cargo, Offshore, Passenger, Ro Ro, Tanker and Tugs Harbor Craft.