Knight Field Private
IA21 · Berkley, 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 07:49 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:31 AM | 11:31Z |
| Sunrise | 06:59 AM | 11:59Z |
| Sunset | 07:21 PM | 00:21Z |
| Evening civil twilight Loggable night begins | 07:49 PM | 00:49Z |
Plan a flight from IA21
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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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 18RIGHT trafficRP · charted
- Heading
- 180° true
- Dimensions
- 2,000 × 50 ft
- TPA
- 2,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the right downwind (heading 000°) on the 45° at 2,000 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 985 ft
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 | 2,000 ft |
Prefer one flat page? Full runway details for IA21 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IA21 kneeboard →
Comms & NavAids
Nearby navigation aids
DSM 117.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| DSM · Des Moines | VORTAC | 117.50 · 122X | High | r321° / 36.8 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for IA21 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- IA21
- Coordinates
- 41.9567, -94.0869
- Elevation
- 989 ft MSL
- Sectional chart
- OMAHA
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- FORT DODGE · 1-800-WX-BRIEF
- Segmented circle
- No
- Activated
- 2019/11
- Distance from city
- 1 NE
Ownership & management 2 contacts
Nearby airports
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Also nearby: 39IA Husband Field (private) (17 NM)
About IA21
Knight Field (IA21) is an airport in Berkley, IA, at 989 ft MSL. It has 1 runway, the longest 2,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IA21, refreshed from the Aviation Weather Center and FAA NASR.
Does IA21 have a control tower?
No. Knight Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at IA21?
Knight Field has 1 runway; the longest is 2,000 ft. See the Runways section for headings, surface, and lighting.
Where is IA21?
Knight Field is in Berkley, IA, at an elevation of 989 ft MSL. Coordinates: 41.9567, -94.0869.
More about IA21
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 IA21 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.