Keystone HeliportPrivate
SD18 · Rapid City, 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 07:22 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:11 AM | 12:11Z |
| Sunrise | 06:40 AM | 12:40Z |
| Sunset | 06:53 PM | 00:53Z |
| Evening civil twilight Loggable night begins | 07:22 PM | 01:22Z |
Plan a flight from SD18
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 |
|---|---|---|
| H1/ | 40 ft |
Prefer one flat page? Full runway details for SD18 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the SD18 kneeboard →
Comms & NavAids
Nearby navigation aids
RAP 112.30 · RCA 108.80 · ECS 108.20
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| RAP · Rapid City | VORTAC | 112.30 · 70X | High | r246° / 18.9 NM |
| RCA · Ellsworth | TACAN | 108.80 · 25X | — | r220° / 19.9 NM |
| ECS · Newcastle | VOR | 108.20 | Low | r075° / 37.5 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for SD18 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- SD18
- Coordinates
- 43.9163, -103.4417
- Elevation
- 4,988 ft MSL
- Sectional chart
- CHEYENNE
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- HURON · 1-800-WX-BRIEF
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2018/01
- Distance from city
- 13 SW
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC ELLSWORTH APCH AT 605-385-6198, WHEN APCH CLSD CTC DENVER ARTCC AT 303-651-4257.
Nearby airports
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Also nearby: SD42 Rushmore (private) (2 NM) · SD62 Borglum (private) (2 NM) · 26SD Shooting Star Ranch (private) (9 NM) · 0SD9 Crazy Horse (private) (9 NM) · SD86 Monument Health Custer Hospital (private) (11 NM) · SD40 Rapid City Regional Hospital (private) (13 NM)
About SD18
Keystone (SD18) is a heliport in Rapid City, SD, at 4,988 ft MSL. It has 1 runway, the longest 40 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for SD18, refreshed from the Aviation Weather Center and FAA NASR.
Does SD18 have a control tower?
No. Keystone is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at SD18?
Keystone has 1 runway; the longest is 40 ft. See the Runways section for headings, surface, and lighting.
Where is SD18?
Keystone is in Rapid City, SD, at an elevation of 4,988 ft MSL. Coordinates: 43.9163, -103.4417.
More about SD18
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 SD18 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.