Witham Airport
SN57 · Ottawa, KS · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:58 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:56 AM | 10:56Z |
| Sunrise | 06:25 AM | 11:25Z |
| Sunset | 08:29 PM | 01:29Z |
| Evening civil twilight Loggable night begins | 08:58 PM | 01:58Z |
Plan a flight from SN57
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 18LEFT traffic
- Heading
- 180° true
- Dimensions
- 2,100 × 100 ft
- TPA
- 2,100 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF
Enter the left downwind (heading 000°) on the 45° at 2,100 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 2,100 ft |
Prefer one flat page? Full runway details for SN57 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the SN57 kneeboard →
Comms & NavAids
Nearby navigation aids
FOE 111.60 · TOP 117.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| FOE · Forbes | TACAN | 111.60 · 53X | — | r126° / 22.5 NM |
| TOP · Topeka | VORTAC | 117.80 · 125X | Low | r151° / 28.8 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for SN57 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- SN57
- Coordinates
- 38.6986, -95.3003
- Elevation
- 1,110 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for SN57.
Nearby airports
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Also nearby: 47KS Maxwell Airport (private) (4 NM) · 0KS4 Norris Airport (private) (7 NM) · SN21 Flory Private Airport (private) (7 NM) · 09KS Coffman Airport (private) (8 NM) · SN45 Michael's Airport (private) (8 NM) · SN42 Harrod Airport (private) (9 NM)
About SN57
Witham Airport (SN57) is an airport in Ottawa, KS, at 1,110 ft MSL. It has 1 runway, the longest 2,100 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for SN57, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at SN57?
Witham Airport has 1 runway; the longest is 2,100 ft. See the Runways section for headings, surface, and lighting.
Where is SN57?
Witham Airport is in Ottawa, KS, at an elevation of 1,110 ft MSL. Coordinates: 38.6986, -95.3003.
Fly out of SN57 often?
Save SN57 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.
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 SN57 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.