Green Castle Private
IA24 · Oxford, IA · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:39 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:22 AM | 11:22Z |
| Sunrise | 06:50 AM | 11:50Z |
| Sunset | 07:11 PM | 00:11Z |
| Evening civil twilight Loggable night begins | 07:39 PM | 00:39Z |
Plan a flight from IA24
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
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Runways
RWY 15LEFT traffic
- Heading
- 147° mag · 149° true
- Dimensions
- 4,000 × 60 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- ASPH-TURF
- CTAF
- 122.9
Enter the left downwind (heading 327°) on the 45° at 1,800 ft MSL (≈1,000 AGL).
More details — RWY 15
- Threshold elev
- 717 ft
- Approach obstacle
- Road, 60 ft from threshold
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 4,000 ft |
Prefer one flat page? Full runway details for IA24 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IA24 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
CID 114.10 · IOW 116.20
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| CID · Cedar Rapids | VOR/DME | 114.10 · 88X | High | r155° / 8.3 NM |
| IOW · Iowa City | VOR/DME | 116.20 · 109X | High | r336° / 15.1 NM |
Prefer one flat list? All IA24 frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for IA24 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- IA24
- Coordinates
- 41.7580, -91.7210
- Elevation
- 756 ft MSL
- Magnetic variation
- 2E
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- FORT DODGE · 1-800-WX-BRIEF
- Attendance
- ALL 0800-1700
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1976/11
- Distance from city
- 4 NE
Night operations
- Airport lighting
- SS-SR
- 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
Remarks FAA · 3 notes
General
- RWY 15/33 - 1400' TURF STOPWAY END OF RWY 33.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Contact
- DEAN BERANEK PRESIDENT 563-506-2665
Nearby airports
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Also nearby: C11 Amana (7 NM) · 06IA Rich Field (private) (7 NM) · IA16 Picayune (private) (10 NM) · 59IA Bellevue Farms (private) (17 NM)
About IA24
Green Castle (IA24) is an airport in Oxford, IA, at 756 ft MSL. It has 1 runway, the longest 4,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IA24, refreshed from the Aviation Weather Center and FAA NASR.
Does IA24 have a control tower?
No. Green Castle is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at IA24?
Green Castle has 1 runway; the longest is 4,000 ft. See the Runways section for headings, surface, and lighting.
Where is IA24?
Green Castle is in Oxford, IA, at an elevation of 756 ft MSL. Coordinates: 41.7580, -91.7210.
More about IA24
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 IA24 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.