Chanute Martin Johnson Airport

CNU · KCNU · Chanute, KS · 1,002 ft elevation · var 1E · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

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
ARTCC: KANSAS CITY (ZKC)
Flight service (FSS): WICHITA
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

Weather

METAR observed

Loading current weather…

TAF forecast

Loading forecast…

Sun & FAA night 2026-06-21

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	05:29 AM	10:29Z
Sunrise	06:01 AM	11:01Z
Sunset	08:47 PM	01:47Z
Evening civil twilight Loggable night begins	09:18 PM	02:18Z

Loggable night (§1.1)

09:18 PM → 05:29 AM

Night currency (§61.57)

09:47 PM → 05:01 AM

Plan a flight from KCNU

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

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 in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 18 · 186°
Pattern: left (turns left)
TPA: 2,000 ft MSL (≈1,000 AGL)
CTAF: 122.7

Enter the left downwind for Rwy 18 at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 18/36

4,254 ft × 75 ft · Asphalt (Good)

Edge lights: Med. Weight bearing: Single wheel 12k.

Heading: 186° mag · 187° true
Markings: nonprecision
VGSI: 2-light PAPI (left) (3°)
Traffic pattern: Left
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

Heading: 006° mag · 7° true
Markings: nonprecision
VGSI: 2-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Rr, 23 ft, 270 ft from threshold, 0 ft B of centerline — 3:1 slope to clear · penetrates the 20:1 visual approach surface
Displaced threshold: 269 ft

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
18/36	4,254 ft

Communication frequencies

Service	Frequency	Notes
ASOS	127.075
CNTR	132.9	KANSAS CITY CNTR
RDO	122.35	WICHITA RDO
UNIC	122.7	CTAF/UNICOM

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
CNU · Chanute	VOR-DME	109.20	r059° / 5.7 NM
OSW · Oswego	VORTAC	117.60	r328° / 33.5 NM

Procedures at a glance

Lowest mins: RNAV (GPS) · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches1

RNAV (GPS) RWY 36 ↗

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KCNU on the VFR sectional (SkyVector) ↗

Services

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

Owner

CITY OF CHANUTE

MEMORIAL BLDG, CHANUTE, KS

620-431-5296

Manager

RYAN FOLMER

800 S. COUNTRY CLUB ROAD, CHANUTE, KS

620-305-9689

Remarks FAA

PRVDD CLEAR 20:1 APCH & 7:1 TRANSITIONAL SFC.
DUSK-2300
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.
ACTVT REIL RWY 18 & 36; PAPI RWY 18 & 36; MIRL RWY 18/36 - CTAF.
FOR AFT HRS EMERG CALL (620) 305-9689.
+25 FT TREE 173 FRM AER 18, 190 FT L OF CL.
APCH RATIO 32:1 FROM DSPLCD THR.

Nearby airports

K88 · Allen County Airport (13 NM)36KS · White Farms AirportPrivate (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)

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.

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 on the Comms & NavAids tab.

What is the longest runway at KCNU?

Chanute Martin Johnson Airport has 1 runway; the longest is 4,254 ft. See the Runways tab 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.

Get the appBeta