Newton Municipal-Earl Johnson Field
TNU · KTNU · Newton, IA · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:44 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:27 AM | 11:27Z |
| Sunrise | 06:55 AM | 11:55Z |
| Sunset | 07:17 PM | 00:17Z |
| Evening civil twilight Loggable night begins | 07:44 PM | 00:44Z |
Plan a flight from KTNU
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: KTNU METAR decoded
Advisories
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Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 14LEFT traffic
- Heading
- 141° mag · 141° true
- Dimensions
- 5,600 × 100 ft
- TPA
- 2,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- VASI (3°)
- CTAF
- 122.8
Enter the left downwind (heading 321°) on the 45° at 2,000 ft MSL (≈1,000 AGL).
More details — RWY 14
- Threshold elev
- 952 ft
- Markings
- nonprecision
- Approach obstacle
- Road, 18 ft, 860 ft from threshold, 350 ft L of centerline — 36:1 slope to clear
- Threshold crossing height
- 39 ft
- TDZ elevation
- 953 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 5,600 ft |
Prefer one flat page? Full runway details for KTNU → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KTNU kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Des Moines”ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 307.15 | APCH/P DEP/P |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 32
| Runway | ILS |
|---|---|
| RWY 32 | ILS · CAT I · LOC 109.7 (MGX) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
TNU 112.50 · DSM 117.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| TNU · Newton | VOR/DME | 112.50 · 72X | Low | r146° / 7.7 NM |
| DSM · Des Moines | VORTAC | 117.50 · 122X | High | r056° / 31.5 NM |
Prefer one flat list? All KTNU frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KTNU, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KTNU / TNU
- Coordinates
- 41.6744, -93.0217
- Elevation
- 952 ft MSL
- Magnetic variation
- 0E
- Sectional chart
- OMAHA
- Airport use
- Public
- Control tower
- No
- Airspace
- Class E
- Weather station
- AWOS-3 · 132.275 · ☎ 641-791-3302
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- FORT DODGE · 1-800-WX-BRIEF
- NOTAM facility
- TNU
- Attendance
- MON-FRI 0730-1800; SAT-SUN 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1956/10
- Distance from city
- 2 SE
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RY 14/32, VASI RYS 14 & 32, REIL RWY 14 AND MALSR RWY 32 - CTAF. on 122.8 — Chart Supplement ↗
Runway lighting aids — 14: VASI · 32: VASI + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Charter, Instruction, Rental, Aircraft sales
Ownership & management 2 contacts
Remarks FAA · 7 notes
General
- RY 14 IS CALM WIND RY.
- STADIUM WITHIN 3NM, CHECK FOR EVENTS.
- SEASONAL MIGRATORY WATERFOWL INVOF ARPT.
- FOR CD CTC DES MOINES ATCT ON 126.3 OR CALL 515-974-8016.
Lighting
- ACTVT MIRL RY 14/32, VASI RYS 14 & 32, REIL RWY 14 AND MALSR RWY 32 - CTAF.
- ULTRA-LIGHT ACTIVITY DISCOURAGED.
Attendance
- AFT HRS ONLY CALL (515) 360-1807.
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Live METAR, flight category, and favored runway for KTNU — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: 8C2 Sully Municipal (10 NM) · IA77 Bascom Field (private) (23 NM)
About KTNU
Newton Municipal-Earl Johnson Field (TNU · KTNU) is an airport in Newton, IA, at 952 ft MSL. It has 1 runway, the longest 5,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KTNU, refreshed from the Aviation Weather Center and FAA NASR.
Does KTNU have a control tower?
No. Newton Municipal-Earl Johnson Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KTNU?
Newton Municipal-Earl Johnson Field has 1 runway; the longest is 5,600 ft. See the Runways section for headings, surface, and lighting.
Where is KTNU?
Newton Municipal-Earl Johnson Field is in Newton, IA, at an elevation of 952 ft MSL. Coordinates: 41.6744, -93.0217.
More about KTNU
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 KTNU 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.