Jackson Seaplane Base Seaplane BasePrivate
IS79 · Crystal Lake, IL · 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 08:37 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:21 AM | 10:21Z |
| Sunrise | 05:52 AM | 10:52Z |
| Sunset | 08:06 PM | 01:06Z |
| Evening civil twilight Loggable night begins | 08:37 PM | 01:37Z |
Plan a flight from IS79
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
| Runway | Length | Your margin |
|---|---|---|
| 10W/28W | 6,000 ft |
Prefer one flat page? Full runway details for IS79 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IS79 kneeboard →
Comms & NavAids
Nearby navigation aids
OBK 113.00 · DPA 114.55 · JVL 114.30
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| OBK · Northbrook | VOR/DME | 113.00 · 77X | High | r275° / 17.8 NM |
| DPA · Dupage | VOR/DME | 114.55 · 92Y | Low | r358° / 20.8 NM |
| JVL · Janesville | VOR/DME | 114.30 · 90X | Low | r117° / 38.6 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for IS79 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- IS79
- Coordinates
- 42.2367, -88.3523
- Elevation
- 890 ft MSL
- Magnetic variation
- 1W
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE · 122.2 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1981/10
- Distance from city
- 2 SW
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC CHICAGO APCH AT 847-289-0926.
Contact
- EMAIL ADDRESS: RJLAWONTHELAKE@GMAIL.COM OR RICHJAXN@YAHOO.COM (ALL LOWER CASES)
Nearby airports
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Also nearby: 3CK Lake in the Hills Airport (2 NM) · 6IL2 Phyllis Field (private) (3 NM) · 82IS Landings Condominium Airport (private) (6 NM) · 7IS5 Koppie Airport (private) (7 NM) · 5LL7 Funny Farm Airport (private) (8 NM) · 55LL Sky Soaring Airport (private) (9 NM)
About IS79
Jackson Seaplane Base (IS79) is a seaplane base in Crystal Lake, IL, at 890 ft MSL. It has 1 runway, the longest 6,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IS79, refreshed from the Aviation Weather Center and FAA NASR.
Does IS79 have a control tower?
No. Jackson 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 IS79?
Jackson Seaplane Base has 1 runway; the longest is 6,000 ft. See the Runways section for headings, surface, and lighting.
Where is IS79?
Jackson Seaplane Base is in Crystal Lake, IL, at an elevation of 890 ft MSL. Coordinates: 42.2367, -88.3523.
Fly out of IS79 often?
Save IS79 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 IS79 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.