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SD25 Infinity Landing Airport
Piedmont, South Dakota, USA

FAA INFORMATION EFFECTIVE 22 JANUARY 2026

Location

FAA Identifier: SD25
Lat/Long: 44-13-05.9049N 103-15-10.8081W
44-13.098415N 103-15.180135W
44.2183069,-103.2530023
(estimated)
Elevation: 3159 ft. / 963 m (estimated)
From city: 6 miles E of PIEDMONT, SD
Time zone: UTC -7 (UTC -6 during Daylight Saving Time)
Zip code: 57718

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 11/2023
Control tower: no
ARTCC: DENVER CENTER
FSS: HURON FLIGHT SERVICE STATION
Attendance: UNATNDD
Segmented circle: no

Airport Communications

CTAF: 122.9
WX AWOS-3P at 49B (13 nm NW): 119.275 (605-347-3356)
WX ASOS at RAP (13 nm SE): 118.525 (605-223-0202)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
RAPr311/17.9RAPID CITY VORTAC112.3013E

Airport Services

Runway Information

Runway 13/31

Dimensions: 5000 x 50 ft. / 1524 x 15 m
Surface: asphalt
RUNWAY 13  RUNWAY 31
Latitude: 44-13.410833N44-12.827333N
Longitude: 103-15.487333W103-14.680500W
Elevation: 3159.0 ft.3159.0 ft.
Traffic pattern: leftleft
Runway heading: 135 true315 true
Markings: basicbasic
Touchdown point: yes, no lightsyes, no lights

Runway 4/22

Dimensions: 3062 x 75 ft. / 933 x 23 m
Surface: turf
RUNWAY 4  RUNWAY 22
Latitude: 44-12.887000N44-13.242333N
Longitude: 103-15.585667W103-15.088833W
Elevation: 3159.0 ft.3130.0 ft.
Traffic pattern: leftleft
Touchdown point: yes, no lightsyes, no lights

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: INFINITY PROPERTIES LLC
7190 INFINITY DR
SUMMERSET, SD 57718
Phone 605-787-2180
Manager: INFINITY PROPERTIES LLC
7190 INFINITY DR
SUMMERSET, SD 57718
Phone 605-787-2180

Instrument Procedures

There are no published instrument procedures at SD25.

Some nearby airports with instrument procedures:

KRCA - Ellsworth Air Force Base (8 nm SE)
49B - Sturgis Municipal Airport (13 nm NW)
KRAP - Rapid City Regional Airport (13 nm SE)
KSPF - Black Hills Airport-Clyde Ice Field (28 nm NW)
KEFC - Belle Fourche Municipal Airport (40 nm NW)
  
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Airport distance calculator
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From to SD25

Sunrise and sunset
Times for 25-Jan-2026
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight06:4813:48
Sunrise07:1914:19
Sunset16:5223:52
Evening civil twilight17:2300:23

Current date and time
Zulu (UTC)  25-Jan-2026 15:31:58
Local (UTC-7)  25-Jan-2026 08:31:58
 
METAR
KRCA 
9nm SE 		251505Z AUTO 36012KT 7SM FEW013 SCT034 M21/M24 A3021 RMK AO2 SNE05 SLP323
KRAP 
13nm SE 		251452Z 01013KT 10SM OVC035 M21/M23 A3024 RMK AO2 SNE1359 SLP318 P0000 60000 T12061233 51024
TAF
KRAP 
13nm SE 		251401Z 2514/2612 35007KT P6SM SCT025 SCT150 TEMPO 2514/2516 5SM -SN BKN025 FM251700 34013G23KT P6SM SKC FM260000 VRB05KT P6SM SCT200
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