Winterset Madison County Airport
3Y3 · Winterset, IA · 1,110 ft elevation · var 2E · Non-towered
Airport information
- FAA LID
- 3Y3
- Coordinates
- 41.3628, -94.0211
- Elevation
- 1,110 ft MSL
- Magnetic variation
- 2E
- Sectional chart
- OMAHA
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- FORT DODGE
- NOTAM facility
- FOD
- Attendance
- MON-FRI 0800-1700; SAT-SUN ON CALL
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1970/01
- Distance from city
- 2 N
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:09 AM | 10:09Z |
| Sunrise | 05:43 AM | 10:43Z |
| Sunset | 08:53 PM | 01:53Z |
| Evening civil twilight Loggable night begins | 09:27 PM | 02:27Z |
Plan a flight from 3Y3
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RY 14/32 & PAPI RYS 14 & 32 - CTAF. on 122.7 — Chart Supplement ↗
Runway lighting aids — 14: 2-light PAPI (left) · 32: 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
- Rwy 14 · 141°
- Pattern
- left (turns left)
- TPA
- 1,910 ft MSL · 800 AGL
- CTAF
- 122.7
Enter the left downwind for Rwy 14 at 1,910 ft MSL · 800 AGL on a 45°.
Runway 14/32
3,002 ft × 50 ft · Asphalt (Good)- Heading
- 141° mag · 143° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Approach obstacle
- Road, 15 ft, 200 ft from threshold, 45 ft R of centerline — 1:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 175 ft
- Heading
- 321° mag · 323° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
- Approach obstacle
- Tree, 9 ft, 289 ft from threshold, 146 ft L of centerline — 9:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 3,002 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 135.2 | DES MOINES APP/DEP |
| UNIC | 122.7 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DSM · Des Moines | VORTAC | 117.50 | r248° / 17.4 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Instruction, Rental
Ownership & management
Remarks FAA
- PRVDD NW END RWY IS DSPLCD SUF DSTC TO PRVD 15 FT CLNC OVR E/W RD FOR A 20:1 APCH RATIO.
- ULTRALIGHT ACT ON & INVOF ARPT.
- RWY 32 END SAFETY AREA EXTDS 240 FT; SHARP DROP AT THAT POINT.
- INADQT CLNC FOR HLDG ON THE TARND AT THE THR OF RWY 32.
- RWY 32 IS CALM WIND RWY.
- FOR CD CTC DES MOINES ATCT AT 515-974-8016.
- ACTVT MIRL RY 14/32 & PAPI RYS 14 & 32 - CTAF.
- WINTERSET.APMANAGER@GMAIL.COM
- WINTERSET AIRPORT AUTHORITY
- MIRL - RWY 14/32 ENDS HAVE SIX THLD LGTS AND ALL WHITE LENSES ALONG RWY LEN.
- 15 FT ROAD 140 FT FM RY END
- APCH SLOPE 6:1 FM DSPLCD THLD.
Nearby airports
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 3Y3 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 3Y3
Winterset Madison County Airport (3Y3) is an airport in Winterset, IA, at 1,110 ft MSL. It has 1 runway, the longest 3,002 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3Y3, refreshed from the Aviation Weather Center and FAA NASR.
Does 3Y3 have a control tower?
No. Winterset Madison County Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 3Y3?
Winterset Madison County Airport has 1 runway; the longest is 3,002 ft. See the Runways tab for headings, surface, and lighting.
Where is 3Y3?
Winterset Madison County Airport is in Winterset, IA, at an elevation of 1,110 ft MSL. Coordinates: 41.3628, -94.0211.
Fly out of 3Y3 often?
Save 3Y3 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.