Newton, Iowa
KTNU Newton Muni-Earl Johnson Fld
Newton Muni-Earl Johnson Fld (KTNU) is a non-towered, public-use airport in Newton, Iowa, at 952.5 ft MSL. Its runway is 14/32 (5,600 by 100 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 KTNU, FAA TNU
- Location
- Newton, Iowa (Jasper County). 2 NM SE of the city center
- Elevation
- 952.5 ft MSL
- Position
- 41.6744° N, 93.0217° W
- Control tower
- No, non-towered
- Sectional chart
- Omaha
- Magnetic variation
- 0° E (2015)
- Fuel
- 100LL, Jet A
- Ownership
- Publicly owned, open to the public
- Attendance
- MON-FRI 0730-1800; SAT-SUN 0800-1700
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 14/32 | 5,600 × 100 ft | Asphalt, good condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 14 | Left traffic | 4-box VASI, left | None listed | None listed | Not listed |
| 32 | Left traffic | 4-box VASI, left | ILS | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.8
- Actvt Mirl Ry 14/32, Vasi Rys 14 & 32, Reil Rwy 14 and Malsr Rwy 32 - Ctaf.
- UNICOM
- 122.8
- Clearance delivery
- 126.3
- Approach / departure
- 123.9
- "Des Moines"
Weather station
- AWOS-3 TNU
- 132.275
Before you go
Brief KTNU in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Newton Muni-Earl Johnson Fld, 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.