WxDecoder
2SD4

Nicolaisen Airport

Mount Vernon, South DakotaElevation 1,440 ftSmall airport

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RUNWAYS

Runway detail & declared distances

1 runway · longest 2,800 ft

N/S
Dimensions
2,800 x 50 ft
Surface
Turf
RWY N
RWY S

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Nicolaisen Airport is in Mount Vernon, South Dakota. Field elevation 1,440 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerRICHARD D NICOLAISEN
Manager phone605-236-5581
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA2SD4
SectionalOMAHA
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)HURON
RegionSouth Dakota
CountryUnited States
Coordinates43.6825, -98.2661
Distance from city2 NM S
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗2SD4 on OurAirports
FREQUENTLY ASKED
Does 2SD4 have a METAR?
No on-field METAR is issued for 2SD4. This page uses the nearest reporting station as a reference.
Does 2SD4 have a TAF?
No TAF is issued directly for 2SD4. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 2SD4?
2SD4 sits at 1,440 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 2SD4?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.