Crystal Airport Private
MI41 · St. Clair, MI · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:19 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:52 AM | 09:52Z |
| Sunrise | 06:24 AM | 10:24Z |
| Sunset | 08:48 PM | 00:48Z |
| Evening civil twilight Loggable night begins | 09:19 PM | 01:19Z |
Plan a flight from MI41
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 19LEFT traffic
- Heading
- 196° mag · 190° true
- Dimensions
- 2,700 × 40 ft
- TPA
- 1,600 ft MSL (≈1,000 AGL) · standard
- Surface
- Concrete
- Displaced thr
- 400 ft
Enter the left downwind (heading 016°) on the 45° at 1,600 ft MSL (≈1,000 AGL).
More details — RWY 19
- Markings
- basic
- Approach obstacle
- Trees, 25 ft, 200 ft from threshold
Pattern side + displaced threshold: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 2,700 ft |
Prefer one flat page? Full runway details for MI41 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the MI41 kneeboard →
Comms & NavAids
Nearby navigation aids
MTC 133.70 · ECK 114.00
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| MTC · Selfridge | TACAN | 133.70 · 64X | — | r051° / 18.6 NM |
| ECK · Peck | TACAN | 114.00 · 87X | — | r169° / 26.7 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for MI41 — open it on the VFR sectional →
Airport info
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 · 122.2 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1990/02
- Distance from city
- 2 W
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL
Ownership & management 2 contacts
Remarks FAA · 3 notes
General
- 2 BOX VASI EACH RY END.
- FOR CD CTC CLEVELAND ARTCC AT 440-774-0490.
Lighting
- DUSK-DAWN. ACTVT VASI RYS 01 & 19 - 123.3.
Nearby airports
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Also nearby: 5Y5 David's Landing Airport (2 NM) · D99 Robertson Field (6 NM) · 76G Marine City Airport (7 NM) · MI15 Wards Long Acres Airport (private) (8 NM) · 2E2 Sharpe's Strip (13 NM)
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 in the Comms & NavAids section.
What is the longest runway at MI41?
Crystal Airport has 1 runway; the longest is 2,700 ft. See the Runways section 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.
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.