Chanute Martin Johnson Airport
CNU · KCNU · Chanute, KS · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:56 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:59 AM | 10:59Z |
| Sunrise | 06:28 AM | 11:28Z |
| Sunset | 08:28 PM | 01:28Z |
| Evening civil twilight Loggable night begins | 08:56 PM | 01:56Z |
Plan a flight from KCNU
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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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 18LEFT traffic
- Heading
- 186° mag · 187° true
- Dimensions
- 4,254 × 75 ft
- TPA
- 2,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 2-light PAPI (left) (3°)
- CTAF
- 122.7
Enter the left downwind (heading 006°) on the 45° at 2,000 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 982 ft
- Markings
- nonprecision
- Approach obstacle
- Tree, 48 ft, 693 ft from threshold, 190 ft L of centerline — 10:1 slope to clear · penetrates the 20:1 visual approach surface
- Threshold crossing height
- 40 ft
- TDZ elevation
- 993 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 |
|---|---|---|
| 18/36 | 4,254 ft |
Prefer one flat page? Full runway details for KCNU → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KCNU kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
“Chanute”Taxi & takeoff
“Chanute”Also
By procedure & sector (2 frequencies)
| Frequency | Used by |
|---|---|
| 109.2/29X | CNU DME |
| 279.5 | CHANUTE RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All KCNU frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KCNU, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KCNU / CNU
- Coordinates
- 37.6682, -95.4867
- Elevation
- 1,002 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- KANSAS CITY
- Airport use
- Public
- Control tower
- No
- Airspace
- Class E · CLASS E SVC 0600-2200; OTHER TIMES CLASS G
- Weather station
- ASOS · 127.075 · ☎ 620-431-6781
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- WICHITA · 122.2 · 1-800-WX-BRIEF
- FSS outlet
- RCO → Wichita Radio (24)
- NOTAM facility
- CNU
- Attendance
- MON-SAT 0800-1700; SUN 1200-1700
- Beacon
- white-green (SEE RMK)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1940/04
- Distance from city
- 2 SW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SEE RMK
- Pilot-controlled lighting
- ACTVT REIL RWY 18 & 36; PAPI RWY 18 & 36; MIRL RWY 18/36 - CTAF. on 122.7 — Chart Supplement ↗
Runway lighting aids — 18: 2-light PAPI (left) · 36: 2-light PAPI (left).
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
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns, hangars
- Other services
- Agricultural, Air ambulance
Ownership & management 2 contacts
Remarks FAA · 8 notes
General
- ULTRALIGHT ACTV, BIRDS & WILDLIFE ON & INVOF ARPT.
- COURTSEY CAR AVBL.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC KANSAS CITY ARTCC AT 913-254-8508.
Lighting
- DUSK-2300
- ACTVT REIL RWY 18 & 36; PAPI RWY 18 & 36; MIRL RWY 18/36 - CTAF.
Obstructions
- +25 FT TREE 173 FRM AER 18, 190 FT L OF CL.
- APCH RATIO 32:1 FROM DSPLCD THR.
Attendance
- FOR AFT HRS EMERG CALL (620) 305-9689.
Embed KCNU weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KCNU — 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: K88 Allen County Airport (13 NM) · 36KS White Farms Airport (private) (13 NM) · 2K7 Neodesha Municipal Airport (16 NM) · 3JA Yates Center Municipal Airport (17 NM) · 11K Squadron Field (17 NM) · 1K7 Fredonia Airport (17 NM)
About KCNU
Chanute Martin Johnson Airport (CNU · KCNU) is an airport in Chanute, KS, at 1,002 ft MSL. It has 1 runway, the longest 4,254 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KCNU, refreshed from the Aviation Weather Center and FAA NASR.
Does KCNU have a control tower?
No. Chanute Martin Johnson Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KCNU?
Chanute Martin Johnson Airport has 1 runway; the longest is 4,254 ft. See the Runways section for headings, surface, and lighting.
Where is KCNU?
Chanute Martin Johnson Airport is in Chanute, KS, at an elevation of 1,002 ft MSL. Coordinates: 37.6682, -95.4867.
Fly out of KCNU often?
Save KCNU as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 KCNU 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.