RSJ

Rosario Seaplane Base

FAA W4948.6457°N 122.8680°W0 ft / 0 mSeaplane base
On the map

Rosario Seaplane Base (IATA: RSJ, FAA: W49) is a seaplane base in Rosario, Washington, United States. It opened in Jan 1948. It has 2 runways; the longest is 10,000 ft (3,048 m).

Timeline

1 event · 1948–1948
JAN 1948
OpenedRosario Seaplane Base opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

2 runways
16W/34W
LENGTH10,000 ft3,048 mWIDTH1,000 ft305 mSURFACEWater
07W/25W
LENGTH2,500 ft762 mWIDTH1,000 ft305 mSURFACEWater

Routes

1 destinations · 1 country

Straight lines are great circles; rings mark true distance from RSJ. From the Wikipedia article “Rosario Seaplane Base” (revision of 6 Jul 2026), CC BY-SA 4.0.