Watertown Regional
ATY · KATY · Watertown, SD · Non-towered · Print kneeboard · Open on the map
FAA airport diagramView full size ↓ Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:03 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:41 AM | 11:41Z |
| Sunrise | 07:11 AM | 12:11Z |
| Sunset | 07:34 PM | 00:34Z |
| Evening civil twilight Loggable night begins | 08:03 PM | 01:03Z |
Plan a flight from KATY
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: KATY METAR decoded · KATY TAF decoded
Advisories
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Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 12LEFT traffic
- Heading
- 119° mag · 125° true
- Dimensions
- 6,898 × 100 ft
- TPA
- 2,700 ft MSL (≈1,000 AGL) · standard
- Surface
- Concrete
- Lights
- 4-light PAPI (left) (3°)
- CTAF
- 123.05
Enter the left downwind (heading 299°) on the 45° at 2,700 ft MSL (≈1,000 AGL).
More details — RWY 12
- Threshold elev
- 1,748 ft
- Markings
- nonprecision
- Threshold crossing height
- 48 ft
- TDZ elevation
- 1,749 ft
- Declared TORA/TODA/ASDA/LDA
- 6,899 / 6,899 / 6,899 / 6,899 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 12/30 | 6,898 ft | |
| 17/35 | 6,893 ft |
Prefer one flat page? Full runway details for KATY → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KATY kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 306.2 | WATERTOWN RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 35
| Runway | ILS |
|---|---|
| RWY 35 | ILS/DME · CAT I · LOC 111.9 (ATY) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
ATY 116.60
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ATY · Watertown | TACAN | 116.60 · 113X | — | r179° / 4 NM |
Prefer one flat list? All KATY frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KATY, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / FAA LID
- KATY / ATY
- Coordinates
- 44.9140, -97.1547
- Elevation
- 1,749 ft MSL
- Magnetic variation
- 6E
- Sectional chart
- TWIN CITIES
- Airport use
- Public
- Control tower
- No
- Airspace
- Class E
- Weather station
- ASOS · 126.625 · ☎ 605-882-0578
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- HURON · 1-800-WX-BRIEF
- NOTAM facility
- ATY
- Attendance
- ALL 0430-2030
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- FAR 139 class
- I A
- Landing fee
- Yes
- Activated
- 1937/12
- Distance from city
- 2 NW
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MALSR RWY 35; PAPI RWY 12, 17, 30, & 35; HIRL RWY 17/35; MIRL RWY 12/30; REIL RWY 12, 17, & 30 - CTAF. on 123.05 — Chart Supplement ↗
Runway lighting aids — 12: 4-light PAPI (left) · 30: 4-light PAPI (left) · 17: 4-light PAPI (left) · 35: 4-light PAPI (left) + MALSR.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Air freight, Agricultural, Air ambulance, Cargo, Charter, Instruction, Rental, Aircraft sales
Ownership & management 2 contacts
Remarks FAA · 10 notes
General
- GULLS & GEESE ON & INVOF ARPT APR-NOV.
- GLIDER OPNS APR THRU SEP.
- ANNUALLY APRIL- SEPT HAY CUTTING OPNS IN PROGRESS; FARMING EQUIP MAY BE IN APCHS.
- ARPT SFC COND NOT MONITORED 2230-0430.
- FOR CD CTC MINNEAPOLIS ARTCC ON FREQ. IF UNA CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- GLDR OPNS PROHIBITED ON TWY D.
Runways
- PCR VALUE: 509/R/D/W/T
- PCR VALUE: 491/R/D/W/T
Lighting
- ACTVT MALSR RWY 35; PAPI RWY 12, 17, 30, & 35; HIRL RWY 17/35; MIRL RWY 12/30; REIL RWY 12, 17, & 30 - CTAF.
Contact
- 605-753-9357
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Live METAR, flight category, and favored runway for KATY — paste this into your website's HTML. It updates automatically and stays free.
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Nearby airports
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Also nearby: 8D7 Clark County (24 NM) · 17SD Stone's Conservation (private) (26 NM) · SD19 Andersen Farms (private) (27 NM) · 1D7 The Sigurd Anderson (27 NM) · 00SD Homan Field (private) (29 NM) · SD94 Lundin (private) (29 NM)
Destination
On the field
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About KATY
Watertown Regional (ATY · KATY) is an airport in Watertown, SD, at 1,749 ft MSL. It has 2 runways, the longest 6,898 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KATY, refreshed from the Aviation Weather Center and FAA NASR.
Does KATY have a control tower?
No. Watertown Regional is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KATY?
Watertown Regional has 2 runways; the longest is 6,898 ft. See the Runways section for headings, surface, and lighting.
Where is KATY?
Watertown Regional is in Watertown, SD, at an elevation of 1,749 ft MSL. Coordinates: 44.9140, -97.1547.
More about KATY
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 KATY 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.