IWK
Iwakuni Kintaikyo Airport

Iwakuni Kintaikyo Airport (IATA: IWK, ICAO: RJOI) is a medium airport in Iwakuni, Yamaguchi Prefecture, Japan. It opened in 1940. It has 2 runways; the longest is 2,438 m (8,000 ft). In 2024 it handled 518 thousand passengers.
Timeline
1 event · 1940–19401940
OpenedIwakuni Kintaikyo Airport opens.
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N02/20009° / 189° · LIT
LENGTH2,438 m8,000 ftWIDTH46 m150 ftSURFACEConcrete
02R/20L009° / 189°
LENGTH366 m1,200 ftWIDTH46 m150 ftSURFACEConcrete
Passengers per year
2013–2024356K
360K
364K
435K
483K
520K
514K
156K
110K
293K
460K
518K
131415161718192021222324
Routes
2 destinations · 1 countryMost destinationsANA Wings 2All Nippon Airways 1
Straight lines are great circles; rings mark true distance from IWK. From the Wikipedia article “Marine Corps Air Station Iwakuni” (revision of 6 Sep 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
10 channelsACCFUKUOKA CON126.100
APPAPP128.000
ATISATIS128.400
CLDCLNC DEL135.700
DEPDEP128.000
GNDGND121.300
INFOFUKUOKA INFO IWAKUNI128.200
PMSVMETRO34.460
PTDPTD134.100
TWRTWR123.800