Siltcoos Lake Seaplane Base

5J2 · Dunes City, OR · Non-towered · Open on the map

Elevation
11 ft MSL
Longest runway
5,000 ft 13/31
Runway
1

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Weather

METAR observed

No weather station at 5J2. Nearby reporting stations: KOTH (29 NM), KEUG (41 NM), KONP (42 NM).

TAF forecast

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Sun & FAA night2026-09-22 · night begins 07:43 PM
EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
06:35 AM13:35Z
Sunrise07:03 AM14:03Z
Sunset07:14 PM02:14Z
Evening civil twilight
Loggable night begins
07:43 PM02:43Z
Loggable night (§1.1)
07:43 PM → 06:35 AM
Night currency (§61.57)
08:14 PM → 06:03 AM

Plan a flight from 5J2

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

Headings shown are true (magnetic variation unavailable).

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for 5J2 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 5J2 kneeboard →

Comms & NavAids

Nearby navigation aids

OTH 113.85
NavAidTypeFreq · chRangeRadial / Dist magnetic
OTH · North Bend VOR/DME 113.85 · 85Y Low r351° / 28.4 NM

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
5J2
Coordinates
43.8866, -124.1015
Elevation
11 ft MSL
Sectional chart
KLAMATH FALLS
Airport use
Public
Control tower
No
ARTCC
SEATTLE (ZSE)
Flight service (FSS)
MC MINNVILLE · 1-800-WX-BRIEF
Segmented circle
No
Activated
2026/06
Distance from city
1 E
Ownership & management 2 contacts
Owner
DARLINGS MARINA RESORT & RV PARK
4879 DARLINGS LOOP, DUNES CITY, OR
509-930-3789
Manager
LARRY FARNSWORTH
83917 CLOUD NINE ROAD, DUNES CITY, OR
541-999-1979

Nearby airports

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Also nearby: 1O0 Lake Woahink (1 NM) · 6S2 Florence Municipal (6 NM) · 9S3 Lakeside Municipal (19 NM) · 1OR0 Sunnyhill (private) (25 NM) · R33 Wakonda Beach State (30 NM)

About 5J2

Siltcoos Lake (5J2) is a seaplane base in Dunes City, OR, at 11 ft MSL. It has 1 runway, the longest 5,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 5J2, refreshed from the Aviation Weather Center and FAA NASR.

Does 5J2 have a control tower?

No. Siltcoos Lake is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at 5J2?

Siltcoos Lake has 1 runway; the longest is 5,000 ft. See the Runways section for headings, surface, and lighting.

Where is 5J2?

Siltcoos Lake is in Dunes City, OR, at an elevation of 11 ft MSL. Coordinates: 43.8866, -124.1015.

More about 5J2

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 5J2 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

Something here wrong or out of date? Report a data problem.