Airports / Washington / RSJ
Rosario Seaplane Base.
Rosario, Washington. A private-aviation gateway on the Bravo register.
5.0/5
Google rating
4 ratings
0
Operators based
n/a
Elevation ft
Google rating
Google reviews
Nearest alternate
Field standing
#6 / 50
Washington airports by Google rating
5.0★ across 4 Google ratings , ranked against 50 rated WA fields.
4 nm
To the nearest alternate
Westsound/WSX Seaplane Base (WSX), 6 fields within 50 nm.
Overview
Located in Rosario, Washington, Rosario Seaplane Base (RSJ) operates as a seaplane base. The airport supports scheduled airline service as well as private jet and charter movements.
RSJ has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Westsound/WSX Seaplane Base (WSX, 4 nm), Orcas Island Airport (ESD, 4 nm), and Blakely Island Airport (BYW, 4 nm). RSJ offers 2 runways, the longest 10,000-foot unpaved runway, which supports charter types through the turboprop class.
Quotes for flights out of RSJ vary with aircraft type, repositioning, and schedule flexibility. Use the cost estimator to model a trip from RSJ, or browse verified operators serving the area.
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Field capability
ICAO
W49
IATA
RSJ
FAA / Local
W49
Elevation
n/a
Coordinates
48.6457° N · 122.8680° W
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
Seaplane
Scheduled svc
Yes
Runways & aircraft access
2 runways
longest 10,000 ft
- 16/3410,000 ft × 1000 ftWaterUnlit
- 07/252,500 ft × 1000 ftWaterUnlit
Which aircraft can operate here
vs longest runway 10,000 ft
RSJ's 10,000 ft runway typically supports charter aircraft up to turboprops.
- 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.
- 4nmWSXWestsound/WSX Seaplane BaseWest Sound
- 4nmESDOrcas Island AirportEastsound
- 4nmBYWBlakely Island AirportBlakely Island
- 6nmDHBDeer Harbor SPBDeer Harbor
- 7nmWDNWaldron AirstripEastsound
- 9nmFBSFriday Harbor Seaplane BaseFriday Harbor
Location
Open the full mapW49 · Rosario Seaplane Base · Rosario, WA
Flight times from here
Approximate nonstop block times from RSJ on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Jackson Hole (JAC) | 587 nm | 1h 46m |
| Salt Lake City (SLC) | 661 nm | 1h 56m |
| San Francisco (SFO) | 662 nm | 1h 56m |
| Las Vegas (LAS) | 827 nm | 2h 19m |
| Vail / Eagle (EGE) | 871 nm | 2h 26m |
| Los Angeles (VNY) | 888 nm | 2h 28m |
| Aspen (ASE) | 890 nm | 2h 28m |
| Denver (DEN) | 940 nm | 2h 35m |
Common questions
- What size private jets can use RSJ?
- Rosario Seaplane Base's longest runway is 10,000 ft, which typically supports charter aircraft up to turboprops. 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 RSJ?
- Rosario Seaplane Base has 2 runways; the longest measures 10,000 ft.
- What is the nearest major airport to RSJ?
- The closest alternate is Westsound/WSX Seaplane Base (WSX), about 4 nm away, followed by Orcas Island Airport (ESD) at 4 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from RSJ to major cities?
- Typical block times on a midsize jet: Jackson Hole about 1h 46m (587 nm), Salt Lake City about 1h 56m (661 nm), San Francisco about 1h 56m (662 nm). Faster classes trim these times; add positioning and taxi for the real schedule.