Isabel, South Dakota
3Y7 Isabel Muni
Isabel Muni (3Y7) is a non-towered, public-use airport in Isabel, South Dakota, at 2,398 ft MSL. Its runway is 13/31 (3,009 by 150 ft, turf). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA 3Y7
- Location
- Isabel, South Dakota (Dewey County). 0 NM SW of the city center
- Elevation
- 2,398 ft MSL
- Position
- 45.3897° N, 101.4376° W
- Control tower
- No, non-towered
- Sectional chart
- Billings
- Magnetic variation
- 10° E (1985)
- Ownership
- Publicly owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 13/31 | 3,009 × 150 ft | Turf, fair condition | Low intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 13 | Left traffic | None listed | None listed | None listed | Not listed |
| 31 | Left traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief 3Y7 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Isabel Muni, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.