Skyyharbour Seaplane Base Seaplane Base
11C · Kalamazoo, MI · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 09:25 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:10 AM | 10:10Z |
| Sunrise | 06:41 AM | 10:41Z |
| Sunset | 08:54 PM | 00:54Z |
| Evening civil twilight Loggable night begins | 09:25 PM | 01:25Z |
Plan a flight from 11C
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 18W/36W | 7,920 ft | |
| 5W/23W | 6,440 ft |
Prefer one flat page? Full runway details for 11C → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 11C kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
VIO 115.95
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| VIO · Victory | VOR/DME | 115.95 · 106Y | High | r188° / 36.8 NM |
Prefer one flat list? All 11C frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 11C
- Coordinates
- 42.1745, -85.5510
- Elevation
- 853 ft MSL
- Sectional chart
- CHICAGO
- Airport use
- Public
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- LANSING · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- LAN
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 2021/06
- Distance from city
- 7 S
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 118.3 — 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
Remarks FAA · 2 notes
General
- FOR CD CTC GREAT LAKES APCH AT 269-459-3344, WHEN APCH CLSD CTC CHICAGO ARTCC AT 630-906-8921.
- OPS CONTINGENT UPON THE PROVISIONS OF THE LOA WITH AZO ATCT: DRG HRS OF AZO ATCT OPRN, ACFT SHALL COMMUNICATE WITH AZO ATCT PRIOR TO OPRG WI AZO CLASS D; ACFT OPRG IN & OUT OF 11C MUST OBTAIN AZO ATIS PRIOR TO CTCG AZO ATCT; AZO ATCT DOES NOT PRVD ATC SER FOR 11C; AZO CTAF IS CTAF FOR BOTH ARPTS AT ALL TIMES.
Nearby airports
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Also nearby: 7MI3 Thrall Lake Airport (private) (4 NM) · 66MI East Lake Airport (private) (4 NM) · 4MI4 Whitcomb Field (5 NM) · MI09 Prairie Ronde Airport (private) (8 NM) · MI47 Coldbrook Field (private) (9 NM)
About 11C
Skyyharbour Seaplane Base (11C) is a seaplane base in Kalamazoo, MI, at 853 ft MSL. It has 2 runways, the longest 7,920 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 11C, refreshed from the Aviation Weather Center and FAA NASR.
Does 11C have a control tower?
No. Skyyharbour Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 11C?
Skyyharbour Seaplane Base has 2 runways; the longest is 7,920 ft. See the Runways section for headings, surface, and lighting.
Where is 11C?
Skyyharbour Seaplane Base is in Kalamazoo, MI, at an elevation of 853 ft MSL. Coordinates: 42.1745, -85.5510.
Fly out of 11C often?
Save 11C 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 11C 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.