Chain-O-Lakes Private
3IN7 · South Bend, IN · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:18 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 07:01 AM | 11:01Z |
| Sunrise | 07:28 AM | 11:28Z |
| Sunset | 07:50 PM | 23:50Z |
| Evening civil twilight Loggable night begins | 08:18 PM | 00:18Z |
Plan a flight from 3IN7
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 15LEFT traffic
- Heading
- 150° mag · 148° true
- Dimensions
- 2,100 × 125 ft
- TPA
- 1,700 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF-SAND
Enter the left downwind (heading 330°) on the 45° at 1,700 ft MSL (≈1,000 AGL).
More details — RWY 15
- Approach obstacle
- Trees, 70 ft, 0 ft from threshold, 110 ft R of centerline
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 2,100 ft |
Prefer one flat page? Full runway details for 3IN7 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 3IN7 kneeboard →
Comms & NavAids
Nearby navigation aids
GIJ 115.40 · GSH 113.70
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| GIJ · Gipper | VORTAC | 115.40 · 101X | High | r194° / 6.6 NM |
| GSH · Goshen | TACAN | 113.70 · 84X | — | r299° / 16.8 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 3IN7 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 3IN7
- Coordinates
- 41.6626, -86.3542
- Elevation
- 743 ft MSL
- Magnetic variation
- 2W
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- TERRE HAUTE · 1-800-WX-BRIEF
- Attendance
- MAR-NOV ALL DAWN-DUSK
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1945/11
- Distance from city
- 4 W
Services fuel · repairs · oxygen · attendance
- Parking
- tiedowns, hangars
Ownership & management 2 contacts
Remarks FAA · 9 notes
General
- RWY 15/33: HGRS LCTD WITHIN PRIM SFC EAST SIDE OF RWY.
- ARPT LCTD WITHIN SBN ARPT TFC AREA. COORD INGRESS/EGRESS WITH SBN ATCT & APCH CTL.
- 122.900 AVBL.
- (A89) OR LOCAL CALL 236-8470.
- ADDITIONAL CONTACT - RICHARD SCHWEIZER, JR. - 574-232-9371
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Obstructions
- TALLEST TREE AT RWY END, OTHER TREES 10-20'ABV CL ELEV BOTH SIDES AT RWY-END.
- ALSO 15'ROAD, 15'TXLINE, 20-60'TREES ON CL FM 0-300'FM RWY END.
- ALSO 15'ROAD, 25'PLINE FM 85'E OF CL AT RWY END.
Nearby airports
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Also nearby: IN93 Hustons (private) (5 NM) · IN38 Stewarts Green Acres (private) (8 NM) · II43 C V (private) (9 NM) · 30MI Wolverton's Field (private) (12 NM) · 3TR Jerry Tyler Memorial (12 NM)
About 3IN7
Chain-O-Lakes (3IN7) is an airport in South Bend, IN, at 743 ft MSL. It has 1 runway, the longest 2,100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3IN7, refreshed from the Aviation Weather Center and FAA NASR.
Does 3IN7 have a control tower?
No. Chain-O-Lakes is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 3IN7?
Chain-O-Lakes has 1 runway; the longest is 2,100 ft. See the Runways section for headings, surface, and lighting.
Where is 3IN7?
Chain-O-Lakes is in South Bend, IN, at an elevation of 743 ft MSL. Coordinates: 41.6626, -86.3542.
More about 3IN7
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 3IN7 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.