1
Runway
7
Frequencies
0
Procedures
8
NOTAMs
Quick Facts
ICAO
KTNU
FAA
TNU
Elevation
952.5 ft MSL
Runways
1
Frequencies
7
Tower
No
Fuel
100LL,A
Coordinates
41.674, -93.022
Airport Information
Facility Type
AIRPORT
Elevation
952.5 ft MSL
Control Tower
No
Fuel Types
100LL,A
ARTCC
MINNEAPOLIS
Coordinates
41.6744, -93.0217
Ownership
Public
Hours of Operation
Current Weather
METAR KTNU 211935Z AUTO 11010KT 10SM FEW070 16/08 A3018 RMK A01
Flight Category
VFR
Wind
110° at 10 kt
Visibility
10+ SM
Temperature
16°C
Dewpoint
8°C
Altimeter
1022.10 inHg
Cloud Cover
FEW
Observed 2026-05-21 19:35Z
Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 14/32 | 5,600 ft | 100 ft | ASPH | MED |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| APCH/P DEP/P | 123.9 | DES MOINES INTL |
| APCH/P DEP/P | 307.15 | DES MOINES INTL |
| CD/P | 126.3 | DES MOINES INTL |
| CTAF | XXX.XXX | NEWTON MUNI-EARL JOHNSON FLD |
| TNU AWOS-3 | XXX.XXX | - |
| TNU VOR/DME | XXX.XXX | NEWTON |
| UNICOM | XXX.XXX | NEWTON MUNI-EARL JOHNSON FLD |
Active NOTAMs
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KTNU Operational Overview
Location & Facility
NEWTON MUNI-EARL JOHNSON FLD (KTNU) is a publicly owned airport open to the public located in NEWTON, Iowa, United States. The field sits at an elevation of 952.5 feet above mean sea level (MSL) at coordinates 41.6744°N, 93.0217°W.
Runways
NEWTON MUNI-EARL JOHNSON FLD has 1 runway. The longest runway (14/32) measures 5,600 feet by 100 feet with a asph surface.
Communications & Operations
NEWTON MUNI-EARL JOHNSON FLD is a non-towered (pilot-controlled) field. A total of 7 communication frequencies are published for this facility.
Services & Fuel
NEWTON MUNI-EARL JOHNSON FLD offers 100LL,A fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Current Conditions
The current flight category at NEWTON MUNI-EARL JOHNSON FLD is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There are currently 8 active NOTAMs for this facility.
Frequently Asked Questions
What is KTNU?
KTNU is the ICAO identifier for NEWTON MUNI-EARL JOHNSON FLD, a public-use airport located in NEWTON, Iowa, United States.
How many runways does NEWTON MUNI-EARL JOHNSON FLD have?
NEWTON MUNI-EARL JOHNSON FLD (KTNU) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of KTNU?
The field elevation of NEWTON MUNI-EARL JOHNSON FLD is 952.5 feet above mean sea level (MSL).
Is fuel available at KTNU?
Yes, NEWTON MUNI-EARL JOHNSON FLD offers 100LL,A fuel.
What are the current weather conditions at KTNU?
The current flight category at NEWTON MUNI-EARL JOHNSON FLD is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at KTNU?
There are currently 8 active NOTAMs for NEWTON MUNI-EARL JOHNSON FLD. Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
How do I access complete data for KTNU?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for NEWTON MUNI-EARL JOHNSON FLD.
Where is NEWTON MUNI-EARL JOHNSON FLD located?
NEWTON MUNI-EARL JOHNSON FLD (KTNU) is located in NEWTON, Iowa, United States, at an elevation of 952.5 ft MSL.