Marshalltown, Iowa
KMIW Marshalltown Muni
Marshalltown Muni (KMIW) is a non-towered, public-use airport in Marshalltown, Iowa, at 974.6 ft MSL. It has 2 runways: 13/31 (5,007 by 100 ft, asphalt), 18/36 (2,759 by 50 ft, asphalt). CTAF 122.8.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KMIW, FAA MIW
- Location
- Marshalltown, Iowa (Marshall County). 3 NM N of the city center
- Elevation
- 974.6 ft MSL
- Position
- 42.1128° N, 92.9178° W
- Control tower
- No, non-towered
- Sectional chart
- Chicago
- Magnetic variation
- 1° E (2010)
- Fuel
- 100LL, Jet A
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily 0800-1700
2 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 13/31 | 5,007 × 100 ft | Asphalt, fair condition | Medium intensity |
| 18/36 | 2,759 × 50 ft | Asphalt, fair condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 13 | Left traffic | 4-box VASI, left | None listed | None listed | Not listed |
| 31 | Left traffic | 4-box VASI, left | None listed | None listed | Not listed |
| 18 | Left traffic | None listed | None listed | None listed | Not listed |
| 36 | Left traffic | None listed | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.8
- Actvt Mirl Ry 13/31 & Ry 18/36; Reil & Vasi Rys 13 & 31 - Ctaf.
- UNICOM
- 122.8
- Clearance delivery
- 120.9
- Approach / departure
- 120.9
- "Des Moines"
Weather station
- ASOS MIW
- 128.325
Before you go
Brief KMIW in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Marshalltown 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.