Lake Cochrane Seaplane Base
SD2 · Gary, SD · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-21 · night begins 07:55 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:42 AM | 11:42Z |
| Sunrise | 07:12 AM | 12:12Z |
| Sunset | 07:26 PM | 00:26Z |
| Evening civil twilight Loggable night begins | 07:55 PM | 00:55Z |
Plan a flight from SD2
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).
| Runway | Length | Your margin |
|---|---|---|
| 10W/28W | 3,920 ft |
Prefer one flat page? Full runway details for SD2 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the SD2 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
MML 111.00 · ATY 116.60 · MVE 111.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| MML · Marshall | VOR/DME | 111.00 · 47X | Terminal | r295° / 31.9 NM |
| ATY · Watertown | TACAN | 116.60 · 113X | — | r110° / 32.7 NM |
| MVE · Montevideo | VOR/DME | 111.60 · 53X | Terminal | r239° / 36.1 NM |
Prefer one flat list? All SD2 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- SD2
- Coordinates
- 44.7098, -96.4745
- Elevation
- 1,690 ft MSL
- Sectional chart
- TWIN CITIES
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- HURON · 1-800-WX-BRIEF
- NOTAM facility
- HON
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2017/08
- Distance from city
- 5 S
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, UL91
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- ARPT CLSD 1 DEC T0 1 MAY.
Fuel
- CALL 507-829-9073.
- CALL 507-829-9073.
Contact
- ALTERNATE MANAGER: JIM EKHOLM CELL 561-702-5870
Nearby airports
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Also nearby: 00SD Homan Field (private) (6 NM) · 17SD Stone's Conservation (private) (8 NM) · 20SD Lutgen (private) (16 NM) · SD94 Lundin (private) (17 NM)
About SD2
Lake Cochrane (SD2) is a seaplane base in Gary, SD, at 1,690 ft MSL. It has 1 runway, the longest 3,920 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for SD2, refreshed from the Aviation Weather Center and FAA NASR.
Does SD2 have a control tower?
No. Lake Cochrane is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at SD2?
Lake Cochrane has 1 runway; the longest is 3,920 ft. See the Runways section for headings, surface, and lighting.
Where is SD2?
Lake Cochrane is in Gary, SD, at an elevation of 1,690 ft MSL. Coordinates: 44.7098, -96.4745.
More about SD2
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 SD2 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.