Airport code
IWK — Iwakuni Marine Corps Air Station
IWK is the IATA code for Iwakuni Marine Corps Air Station, an airport serving Iwakuni, Japan. Its ICAO code is RJOI, and it operates in the UTC time zone (UTC+0). The airport sits at 34.1439, 132.2360 in the Northern Hemisphere, at an elevation of 7 ft (2 m).
Overview
About Iwakuni Marine Corps Air Station
Marine Corps Air Station Iwakuni or MCAS Iwakuni is a joint Japan Maritime Self-Defense Forces and United States Marine Corps air station located in the Nishiki river delta, 1.3 NM southeast of Iwakuni Station in the city of Iwakuni, Yamaguchi Prefecture, Japan.
Reference data
Airport information
| IATA code | IWK |
|---|---|
| ICAO code | RJOI |
| Airport name | Iwakuni Marine Corps Air Station |
| City | Iwakuni |
| Country | Japan |
| Time zone | UTC (UTC+0) |
| Latitude | 34.1439 |
| Longitude | 132.2360 |
| Elevation | 7 ft (2 m) |
| Airport type | Medium airport |
| Continent | Asia |
| Runways | 2 |
| Longest runway | 8,000 ft (2,438 m) |
| Map | View on OpenStreetMap ↗ |
Reference data last updated 24 July 2026.
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Questions
Frequently asked questions
What is the IATA code for Iwakuni Marine Corps Air Station?
The IATA code for Iwakuni Marine Corps Air Station is IWK.
What is the ICAO code for Iwakuni Marine Corps Air Station?
The ICAO code for Iwakuni Marine Corps Air Station is RJOI.
Where is IWK airport located?
Iwakuni Marine Corps Air Station (IWK) is located in Iwakuni, Japan.
What time zone is IWK in?
Iwakuni Marine Corps Air Station operates in the UTC time zone, which is UTC+0.
What is the nearest airport to IWK?
The nearest airport to Iwakuni Marine Corps Air Station (IWK) is Matsuyama Airport (MYJ) in Matsuyama, about 55 km away.
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