Keystone Xl Opal HeliportPrivate
SD04 · Opal, 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 07:20 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:07 AM | 12:07Z |
| Sunrise | 06:36 AM | 12:36Z |
| Sunset | 06:50 PM | 00:50Z |
| Evening civil twilight Loggable night begins | 07:20 PM | 01:20Z |
Plan a flight from SD04
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 SD04 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the SD04 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All SD04 frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for SD04 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- SD04
- Coordinates
- 45.0200, -102.6589
- Elevation
- 3,001 ft MSL
- Sectional chart
- BILLINGS
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- HURON · 1-800-WX-BRIEF
- Segmented circle
- No
- Activated
- 2020/08
- Distance from city
- 12 NW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Nearby airports
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Also nearby: SD72 Vig Ranch Airfield (private) (10 NM) · 1SD4 Vig Limousin (private) (14 NM) · D07 Faith Municipal (27 NM) · 0SD3 Bledsoe Ranch (private) (28 NM) · 6V5 Bison Municipal (31 NM) · SD98 Barber (private) (34 NM)
About SD04
Keystone Xl Opal (SD04) is a heliport in Opal, SD, at 3,001 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 SD04, refreshed from the Aviation Weather Center and FAA NASR.
Does SD04 have a control tower?
No. Keystone Xl Opal is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at SD04?
Keystone Xl Opal has 1 runway; the longest is 40 ft. See the Runways section for headings, surface, and lighting.
Where is SD04?
Keystone Xl Opal is in Opal, SD, at an elevation of 3,001 ft MSL. Coordinates: 45.0200, -102.6589.
More about SD04
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 SD04 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.