Mitchell's Strip

SD90 · Spearfish, SD · 3,920 ft elevation

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: SD90
Coordinates: 44.4675, -103.7869
Elevation: 3,920 ft MSL

Detailed FAA facility data isn't available for this airport.

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (MDT)	UTC
Morning civil twilight Loggable night ends	04:34 AM	10:34Z
Sunrise	05:10 AM	11:10Z
Sunset	08:43 PM	02:43Z
Evening civil twilight Loggable night begins	09:20 PM	03:20Z

Loggable night (§1.1)

09:20 PM → 04:34 AM

Night currency (§61.57)

09:43 PM → 04:10 AM

Plan a flight from SD90

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 09
Pattern: left (turns left)
TPA: 4,900 ft MSL (≈1,000 AGL)

Enter the left downwind for Rwy 09 at 4,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 09/27

1,200 ft × 90 ft · GRVL-TURF

Heading: n/a

Heading: n/a

Headings shown are true (magnetic variation unavailable).

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

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

Runway	Length	Your margin
09/27	1,200 ft

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
RCA · Ellsworth	TACAN	108.80	r293° / 35.4 NM

VFR sectional

Open SD90 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for SD90. VFR sectional link above.

No published services or facility detail for SD90.

Nearby airports

KSPF · Black Hills Airport-Clyde Ice Field (1 NM)KEFC · Belle Fourche Municipal Airport (16 NM)SD24 · Eden Valley AirportPrivate (17 NM)SD35 · Bruch AirfieldPrivate (17 NM)49B · Sturgis Municipal Airport (18 NM)2SD0 · Paradise Valley AirportPrivate (23 NM)

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 SD90 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.

About SD90

Mitchell's Strip (SD90) is an airport in Spearfish, SD, at 3,920 ft MSL. It has 1 runway, the longest 1,200 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for SD90, refreshed from the Aviation Weather Center and FAA NASR.

What is the longest runway at SD90?

Mitchell's Strip has 1 runway; the longest is 1,200 ft. See the Runways tab for headings, surface, and lighting.

Where is SD90?

Mitchell's Strip is in Spearfish, SD, at an elevation of 3,920 ft MSL. Coordinates: 44.4675, -103.7869.

Fly out of SD90 often?

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