Airport information
- FAA LID
- 4IA2
- Coordinates
- 41.5856, -91.2199
- Elevation
- 715 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- FORT DODGE
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1997/08
- Distance from city
- 2 NE
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 | 04:57 AM | 09:57Z |
| Sunrise | 05:31 AM | 10:31Z |
| Sunset | 08:42 PM | 01:42Z |
| Evening civil twilight Loggable night begins | 09:17 PM | 02:17Z |
Plan a flight from 4IA2
Traffic pattern
- Landing
- Rwy 18
- Pattern
- left (turns left)
- TPA
- 1,700 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 18 at 1,700 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 18/36
2,300 ft × 66 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 2,300 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DDD · Port City | VOR-DME | 116.50 | r345° / 13.5 NM |
| IOW · Iowa City | VORTAC | 116.20 | r072° / 18.1 NM |
| MZV · Moline | VORTAC | 114.40 | r296° / 30.6 NM |
| CID · Cedar Rapids | VOR-DME | 114.10 | r120° / 31.2 NM |
| CVA · Davenport | VORTAC | 113.80 | r254° / 33.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4IA2. VFR sectional link above.
Ownership & management
Remarks FAA
- MINIMUM 20:1 GLIDE SLOPE; TREES PENETRATE 20:1 BY 55 FT; MAINTAIN TRANSITIONAL SURFACE FOR 7:1 SLOPE.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
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 4IA2 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 4IA2
Walker Field (4IA2) is an airport in West Liberty, IA, at 715 ft MSL. It has 1 runway, the longest 2,300 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4IA2, refreshed from the Aviation Weather Center and FAA NASR.
Does 4IA2 have a control tower?
No. Walker Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4IA2?
Walker Field has 1 runway; the longest is 2,300 ft. See the Runways tab for headings, surface, and lighting.
Where is 4IA2?
Walker Field is in West Liberty, IA, at an elevation of 715 ft MSL. Coordinates: 41.5856, -91.2199.
Fly out of 4IA2 often?
Save 4IA2 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.