Airport information
- FAA LID
- MI41
- Coordinates
- 42.8317, -82.5346
- Elevation
- 610 ft MSL
- Magnetic variation
- 6W
- Sectional chart
- DETROIT
- Airport use
- Private
- Control tower
- No
- ARTCC
- CLEVELAND (ZOB)
- Flight service (FSS)
- LANSING · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1990/02
- Distance from city
- 2 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:17 AM | 09:17Z |
| Sunrise | 05:52 AM | 09:52Z |
| Sunset | 09:12 PM | 01:12Z |
| Evening civil twilight Loggable night begins | 09:48 PM | 01:48Z |
Plan a flight from MI41
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 01
- Pattern
- left (turns left)
- TPA
- 1,600 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 01 at 1,600 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 01/19
2,700 ft × 40 ft · Concrete- Heading
- n/a
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Pline, 40 ft, 100 ft from threshold
- Displaced threshold
- 800 ft
- Heading
- n/a
- Markings
- basic
- Traffic pattern
- Left
- Approach obstacle
- Trees, 25 ft, 200 ft from threshold
- Displaced threshold
- 400 ft
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 2,700 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MTC · Selfridge | TACAN | 133.70 | r051° / 18.6 NM |
| ECK · Peck | VORTAC | 114.00 | r169° / 26.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for MI41. VFR sectional link above.
Services
- Fuel available
- 100LL
Ownership & management
Remarks FAA
- 2 BOX VASI EACH RY END.
- FOR CD CTC CLEVELAND ARTCC AT 440-774-0490.
- DUSK-DAWN. ACTVT VASI RYS 01 & 19 - 123.3.
Nearby airports
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 MI41 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 MI41
Crystal Airport (MI41) is an airport in St. Clair, MI, at 610 ft MSL. It has 1 runway, the longest 2,700 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MI41, refreshed from the Aviation Weather Center and FAA NASR.
Does MI41 have a control tower?
No. Crystal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at MI41?
Crystal Airport has 1 runway; the longest is 2,700 ft. See the Runways tab for headings, surface, and lighting.
Where is MI41?
Crystal Airport is in St. Clair, MI, at an elevation of 610 ft MSL. Coordinates: 42.8317, -82.5346.
Fly out of MI41 often?
Save MI41 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.