Airports / Japan / IWJ
Iwami Airport.
Masuda, Japan · 184 ft elevation. A private-aviation gateway on the Bravo register.
3.9/5
Google rating
309 ratings
0
Operators based
184
Elevation ft
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
39 nm
To the nearest alternate
Iwakuni Kintaikyo Airport (IWK), 2 fields within 50 nm.
Overview
Iwami Airport (RJOW / IWJ) is a mid-sized airport serving Masuda, Japan. Field elevation is 184 feet above sea level. Scheduled carriers operate here, and the field also sees regular private and charter activity.
While no charter operators list IWJ as their home base, the field is reachable for repositioned charter aircraft from nearby bases. The closest alternate fields are Iwakuni Kintaikyo Airport (IWK, 39 nm), JASDF Hofu Airfield (RJOF, 40 nm), and Yamaguchi Ube Airport (UBJ, 51 nm). The field has a single 6,562-foot paved runway, long enough for charter aircraft up to VIP airliners.
Trip costs from IWJ are driven by the aircraft category flown and how far it must reposition. Browse operators flying from the area or estimate a trip cost from IWJ to plan your flight.
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Field capability
ICAO
RJOW
IATA
IWJ
FAA / Local
RJOW
Elevation
184 ft
Coordinates
34.6764° N · 131.7900° E
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
Yes
Elevation vs Japan fields
state range 6–2,182 ft
At 184 ft, IWJ sits higher than 66% of the 107 Japan fields on the register.
Runways & aircraft access
1 runway
longest 6,562 ft
- 11/296,562 ft × 148 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 6,562 ft
IWJ's 6,562 ft paved runway typically supports charter aircraft up to VIP airliners.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 39nmIWKIwakuni Kintaikyo AirportIwakuni
- 40nmRJOFJASDF Hofu AirfieldHofu
- 51nmUBJYamaguchi Ube AirportUbe
- 58nmHIJHiroshima AirportHiroshima
- 62nmKKJKitakyushu AirportKitakyushu
- 68nmMYJMatsuyama AirportMatsuyama
Location
Open the full mapRJOW · Iwami Airport · Masuda, Japan
Flight times from here
Approximate nonstop block times from IWJ on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 3,278 nm | 8h 1m |
| Honolulu (HNL) | 3,739 nm | 9h 6m |
| Seattle (SEA) | 4,475 nm | 10h 48m |
| San Francisco (SFO) | 4,818 nm | 11h 36m |
| Jackson Hole (JAC) | 4,998 nm | 12h 1m |
| Salt Lake City (SLC) | 5,071 nm | 12h 12m |
| Los Angeles (VNY) | 5,092 nm | 12h 15m |
| Las Vegas (LAS) | 5,146 nm | 12h 22m |
Common questions
- What size private jets can use IWJ?
- Iwami Airport's longest paved runway is 6,562 ft, which typically supports charter aircraft up to VIP airliners. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at IWJ?
- Iwami Airport has one runway; the longest measures 6,562 ft on a paved surface and is lit for night operations.
- What is the nearest major airport to IWJ?
- The closest alternate is Iwakuni Kintaikyo Airport (IWK), about 39 nm away, followed by JASDF Hofu Airfield (RJOF) at 40 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from IWJ to major cities?
- Typical block times on a midsize jet: Anchorage about 8h 1m (3,278 nm), Honolulu about 9h 6m (3,739 nm), Seattle about 10h 48m (4,475 nm). Faster classes trim these times; add positioning and taxi for the real schedule.