Spies Field Private
4IA6 · De Witt, IA · Non-towered · Print kneeboard · Open on the map
Nearby now
Loading…
Weather
METAR observed
TAF forecast
Loading forecast…
Sun & FAA night2026-11-02 · night begins 05:24 PM
| Event | Local (CST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:06 AM | 12:06Z |
| Sunrise | 06:35 AM | 12:35Z |
| Sunset | 04:55 PM | 22:55Z |
| Evening civil twilight Loggable night begins | 05:24 PM | 23:24Z |
Plan a flight from 4IA6
Winds aloft NOAA forecast · 3,000 to 53,000 ft
Loading winds aloft…
Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 18LEFT traffic
- Heading
- 000° true
- Dimensions
- 2,382 × 75 ft
- TPA
- 1,700 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the left downwind (heading 180°) on the 45° at 1,700 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 705 ft
- Markings
- none
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 2,382 ft |
Prefer one flat page? Full runway details for 4IA6 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4IA6 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
CVA 113.80 · MZV 114.40 · DBQ 115.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| CVA · Davenport | VORTAC | 113.80 · 85X | Low | r357° / 9.3 NM |
| MZV · Moline | VOR/DME | 114.40 · 91X | Low | r007° / 33.3 NM |
| DBQ · Dubuque | VORTAC | 115.80 · 105X | High | r158° / 33.9 NM |
Prefer one flat list? All 4IA6 frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for 4IA6 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 4IA6
- Coordinates
- 41.8627, -90.4809
- Elevation
- 705 ft MSL
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- FORT DODGE · 1-800-WX-BRIEF
- Segmented circle
- No
- Activated
- 2026/09
- Distance from city
- 3 NE
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Nearby airports
Loading nearby conditions…
Also nearby: 37IA Nemo Field (private) (1 NM) · 3IA4 Cy Landing (private) (3 NM) · 3IA9 Schnack Field (private) (3 NM) · 35IA Frazier (private) (5 NM) · 43IA Giggity Acres (private) (7 NM)
About 4IA6
Spies Field (4IA6) is an airport in De Witt, IA, at 705 ft MSL. It has 1 runway, the longest 2,382 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4IA6, refreshed from the Aviation Weather Center and FAA NASR.
Does 4IA6 have a control tower?
No. Spies Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 4IA6?
Spies Field has 1 runway; the longest is 2,382 ft. See the Runways section for headings, surface, and lighting.
Where is 4IA6?
Spies Field is in De Witt, IA, at an elevation of 705 ft MSL. Coordinates: 41.8627, -90.4809.
More about 4IA6
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 4IA6 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.
Something here wrong or out of date? Report a data problem.