Nicolaisen Private
2SD4 · Mount Vernon, SD · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:07 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:47 AM | 11:47Z |
| Sunrise | 07:15 AM | 12:15Z |
| Sunset | 07:38 PM | 00:38Z |
| Evening civil twilight Loggable night begins | 08:07 PM | 01:07Z |
Plan a flight from 2SD4
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
RWY NLEFT traffic
- Heading
- 000° mag · 007° true
- Dimensions
- 2,800 × 50 ft
- TPA
- 2,400 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 180°) on the 45° at 2,400 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| N/S | 2,800 ft |
Prefer one flat page? Full runway details for 2SD4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 2SD4 kneeboard →
Comms & NavAids
Nearby navigation aids
MHE 114.15
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| MHE · Mitchell | VOR/DME | 114.15 · 88Y | Low | r236° / 11.4 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 2SD4 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 2SD4
- Coordinates
- 43.6833, -98.2653
- Elevation
- 1,440 ft MSL
- Magnetic variation
- 7E
- Sectional chart
- OMAHA
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- HURON · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1998/06
- Distance from city
- 2 S
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Nearby airports
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Also nearby: SD01 Mj Aviation I (private) (15 NM) · D65 Corsica Municipal (16 NM) · 8V3 Parkston Municipal (22 NM) · 1SD5 Drake Farm (private) (24 NM) · 4X4 Wessington Springs (25 NM)
About 2SD4
Nicolaisen (2SD4) is an airport in Mount Vernon, SD, at 1,440 ft MSL. It has 1 runway, the longest 2,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 2SD4, refreshed from the Aviation Weather Center and FAA NASR.
Does 2SD4 have a control tower?
No. Nicolaisen is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 2SD4?
Nicolaisen has 1 runway; the longest is 2,800 ft. See the Runways section for headings, surface, and lighting.
Where is 2SD4?
Nicolaisen is in Mount Vernon, SD, at an elevation of 1,440 ft MSL. Coordinates: 43.6833, -98.2653.
More about 2SD4
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 2SD4 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.