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Iwakuni Mcas Airport

MCAS Iwakuni
Marine Corps Air Station Iwakuni
MCAS Iwakuni logo
Marine Corps Air Station Iwakuni
Airport type Military
Operator United States Marine Corps
Location Iwakuni, Yamaguchi, Japan
Built 1950
In use 1950 – present
Commander Col. Michael A. O’Halloran
Occupants Marine Aircraft Group 12
Marine Aviation Logistics Squadron 12
Marine Wing Support Squadron 171
Elevation AMSL 8 ft / 2 m
Coordinates 34°08′38″N 132°14′08″E / 34.14389°N 132.23556°E / 34.14389; 132.23556 (MCAS Iwakuni)Coordinates: 34°08′38″N 132°14′08″E / 34.14389°N 132.23556°E / 34.14389; 132.23556 (MCAS Iwakuni)
Website www.marines.mil/unit/mcasiwakuni/Pages/default.aspx
Direction Length Surface
m ft
02/20 2,440 8,005 Concrete
Number Length Surface
m ft
02R/20L 366 1,200 Concrete
Sources: Official site
Japanese AIP at AIS Japan
:A.^ The text version gives a runway 2,440 by 45 m (8,005 by 148 ft) and the aerodrome chart 8,002 by 150 ft (2,439 by 46 m)

Marine Corps Air Station Iwakuni or MCAS Iwakuni (ICAO: RJOI) is a United States Marine Corps air station located in the Nishiki river delta, 1.3 NM (2.4 km; 1.5 mi) southeast of the Iwakuni Station in the city of Iwakuni, Yamaguchi in Japan.

Tenant commands

  • Marine Aircraft Group 12 (MAG-12) contains the rotary and fixed wing aircraft assets of Marine Corps Air Station Iwakuni. MAG-12 is home to four flying squadrons and a logistics Squadron.
  • VMFA(AW)-242 — only permanent Marine F/A-18 Hornet fighter squadron stationed abroad.
  • Marine Aviation Logistics Squadron 12 provides logistics support, guidance, and direction to MAG-12 and other commands aboard the Station. Click on the link to the right for more information on the Marauders.
  • Marine Wing Support Squadron 171 provides essential Aviation Ground Support to the Station
  • Headquarters and Headquarters Squadron provides administrative support and conducts training in general military skills for more than 800 Marines and sailors aboard MCAS Iwakuni.
  • Combat Logistics Company 36 Provides logistic support to MWSS-171 and MAG 12.
  • 374th Airlift Wing 374th Communications Squadron provides communications support to H&HS, MAG-12, Branch Medical Clinic Iwakuni, Army Corps of Engineers, and JMSDF.


The Japanese government bought a large portion of what is today MCAS Iwakuni in 1938, with the view of establishing a naval air station. They commissioned the new base July 8, 1940. When World War II started, the Iwakuni air station was used as a training and defense base. The station housed 96 trainers and 150 Zero fighter planes on the airstrip. In September 1943, a branch of the Etajima Naval Academy was established here, with approximately 1,000 cadets undergoing training in the Basic, Junior and Senior Officer's schools at any one time. American B-29's bombed Iwakuni in May and August 1945, concentrating on the oil refinery and Rail Transport Office or train station areas. The last air raid took place just a day before the war was brought to a close.

The first allies to reach Iwakuni at the war's end were a group of U.S. Marines who had signed papers ending the conflict for the Japanese air base. After the end of World War II, various military forces from the United States, Britain, Australia, and New Zealand occupied the base. It was designated a Royal Australian Air Force Base in 1948. Then in 1952, the base officially became a United States military base.

The Americans first occupied the base in 1950 to use it as a springboard for aircraft heading to the Korean War.

It was revealed in 2010 that in 1966 nuclear weapons were moved to the base for storage from Okinawa. When U.S. ambassador to Japan Edwin O. Reischauer learned of the presence of the weapons, which was a violation of the Treaty of Mutual Cooperation and Security between the United States and Japan, he told the United States Department of State that if the weapons were not removed within 90 days he would resign and go public with the information. The weapons were removed shortly thereafter.

On 14 July 1970, African-American soldiers and some anti-war soldiers raised a riot against the Vietnam War on the base.

It is currently home to around 5,000 United States Marines (including family members). The base is detailed for Marine pilot training and air patrol, using F/A-18 Hornet fighter-attack aircraft among others in compliance with the Treaty of Mutual Cooperation and Security obligations to protect Japan. MCAS Iwakuni is also shared with the Japanese Maritime Self Defense Force. MCAS Iwakuni has an air station that many people in Iwakuni want to be made into a public international airport. However as of 2009, it is only authorized for military use.

MCAS Iwakuni is home to a Department of Defense school, Matthew C. Perry (Elementary and High School).

In 2014, it is planned to move the U.S. Carrier Air Wing from Atsugi to Iwakuni which will further increase the size of the base.

The USMC's aircraft procurement plan for fiscal year 2010 revealed that the Corps plans to station 16 F-35B aircraft at Iwakuni beginning in the fall of 2015 to replace the AV-8 and F/A-18 aircraft currently stationed at the base. The F-35B's engines are louder than those of the AV-8 and F/A-18 which may have an impact on the local community.

A new off-shore runway opened at the base on May 30, 2010. The new runway is 2,440 meters in length.

USMC F/A-18D takes off from MCAS Iwakuni in December 2005
USMC F/A-18D takes off from MCAS Iwakuni in December 2005

Commercial Services

Regular commercial service will start at the airport in 2012 with a civilian airport terminal built to accommodate commercial flights. It is projected that up to 430,000 passengers will use the airport.


  • All Nippon Airways (Tokyo Haneda Airport, 4 daily starting 2012)

Friendship Day

Every year on 5 May, Japanese Nationals and U.S. service members, government employees and their families officially celebrate their long-standing friendship by opening the gates of MCAS Iwakuni for one of Japan's largest air shows dedicated to enhancing the friendship of the two nations. The event, entitled Friendship Day, hosts an average 250,000 visitors who travel from all over Japan.


Iwakuni Mcas Airport

Iwakuni Mcas Airport
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Iwakuni Mcas Airport

Iwakuni Mcas Airport
Click to enlarge

Iwakuni Mcas Airport

Iwakuni Mcas Airport
Click to enlarge

Iwakuni Mcas Airport

Iwakuni Mcas Airport
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Iwakuni Mcas Airport

Iwakuni Mcas Airport
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The above content comes from Wikipedia and is published under free licenses – click here to read more.

General Info
Country Japan
Time UTC+9
Latitude 34.143860
34° 08' 37.90" N
Longitude 132.235750
132° 14' 08.70" E
Elevation 7 feet
2 meters
Type Military
Magnetic Variation 007° W (01/06)
Beacon Yes
Operating Agency MILITARY
Island Group Honshu I
International Clearance Status Airport of Entry

TWR 123.8
PTD 134.1
METRO 344.6
Opr 24 hr.
GND 121.3
DEP 128.0
CLNC DEL 135.7
ATIS 128.4
APP 128.0
Opr 24 hr.

ID Dimensions Surface PCN ILS
02/20 8000 x 150 feet
2438 x 46 meters
02R/20L 1200 x 150 feet
366 x 46 meters

Type ID Name Channel Freq Distance From Field Bearing From Navaid

Oil O-156, MIL L 23699 (Synthetic Base)Turboprop/Turboshaft Engine
Other Fluids SP, Single Point Refueling

HPOX, High pressure oxygen servicing

LOX, Liquid oxygen servicing
180 lbs/min@75psi or 120lbs/min@ 45psi 700 amp, 28vDC, 120/208v, 400hz AC, 30kva

CAUTION Bird haz on apch to Rwy 02-20. Mt terrain W of afld, Oshima I. (NEU TACAN R-179/12 DME at 2280') may cause Ground Avoidance Proximity Warning alert for acft at 3300'. Hang/parasails in vcnty of TACAN Rwy 02 IAF (GAFFE) NEU R-179/12 DME (OSHIMA I.) at and blw 2500' AGL. Opr dly spring/sum months.
FUEL J5-Hot refuel avbl 2300-0730Z Mon-Fri with 24 hr PN.
LGT Hi ints apch lgt 1500' Rwy 02. All OLS are a min of 162' fr rwy cntrline.
MISC Acft rqr removal of A-GEAR, notify APP CON on initial ctc. Acft with VIP ctc PTDfor VIP prk coord.
NS ABTMT All acft should avoid ovft of the industrial area 1 NM N of rwy. Acft unable to avoid ovft of industrial area will be denied TGL. Min alt over the city of Iwakuni 4000', Hiroshima/Kure 6500'.
OIL O-156
OPR HOURS Opr 2130-1400Z Mon-Fri, 2300-0700Z Sat, 0300-1100Z Sun. Rwy clsd 0300-0800Z lastSun ea month.
RSTD 24 hr PPR. If ETA Sat-Sun PN rqr by Thu prior to ETA, exc AMC Channel Missions and JMSDF acft. Aircrew taxi avbl 24 hrs, 7 days a week at DSN 253-5500. No overhead break, practice/missed apch or lo apch/touch and go auth 0300Z Sat-2200Z Sun. Ovft of ammo stor area lctd NE of Rwy proh blw 500'.
TFC PAT Reduced rwy separation std in eff for USN/USMC acft. Daytime-4000', Nighttime-6000'.
TRAN ALERT Opr 2130-1400Z. Exp prk/refuel only. Visiting Aircraft Line (VAL) is rqr for alltran and VIP acft. Ltd line svc/extremely ltd tran fac/no maint or fleet svc avbl. Tran aircrew ck-in with VAL on arr and dep. VAL servicing avbl through AMC Terminal.

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