Chain-O-Lakes Airport Private
3IN7 · South Bend, IN · 743 ft elevation · var 2W · Non-towered
Airport information
- FAA LID
- 3IN7
- Coordinates
- 41.6612, -86.3532
- Elevation
- 743 ft MSL
- Magnetic variation
- 2W
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- TERRE HAUTE
- Attendance
- MAR-NOV ALL DAWN-DUSK
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1945/11
- Distance from city
- 4 W
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night 2026-06-21
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:37 AM | 09:37Z |
| Sunrise | 06:11 AM | 10:11Z |
| Sunset | 09:23 PM | 01:23Z |
| Evening civil twilight Loggable night begins | 09:57 PM | 01:57Z |
Plan a flight from 3IN7
Traffic pattern
- Landing
- Rwy 06
- Pattern
- left (turns left)
- TPA
- 1,700 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 06 at 1,700 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 06/24
1,500 ft × 110 ft · TURF-SAND-F- Heading
- n/a
- Heading
- n/a
Runway 09/27
1,330 ft × 85 ft · TURF-SAND-F- Heading
- n/a
- Heading
- n/a
Runway 15/33
2,100 ft × 125 ft · TURF-SAND (Fair)- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 70 ft, 0 ft from threshold, 110 ft R of centerline
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 35 ft, 0 ft from threshold, 60 ft R of centerline
| Runway | Length | Your margin |
|---|---|---|
| 06/24 | 1,500 ft | |
| 09/27 | 1,330 ft | |
| 15/33 | 2,100 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| GIJ · Gipper | VORTAC | 115.40 | r194° / 6.6 NM |
| GSH · Goshen | VORTAC | 113.70 | r299° / 16.7 NM |
| OXI · Knox | VOR-DME | 115.60 | r033° / 24.3 NM |
| ELX · Keeler | VOR-DME | 116.60 | r200° / 30.8 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 3IN7. VFR sectional link above.
Services
- Parking
- tiedowns, hangars
Ownership & management
Remarks FAA
- EXISTED PRIOR TO 1959.
- 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.
- 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
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.
About 3IN7
Chain-O-Lakes Airport (3IN7) is an airport in South Bend, IN, at 743 ft MSL. It has 3 runways, 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 Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 3IN7?
Chain-O-Lakes Airport has 3 runways; the longest is 2,100 ft. See the Runways tab for headings, surface, and lighting.
Where is 3IN7?
Chain-O-Lakes Airport is in South Bend, IN, at an elevation of 743 ft MSL. Coordinates: 41.6612, -86.3532.
Fly out of 3IN7 often?
Save 3IN7 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.