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Watertown Regional Airport
ATY · KATY · Watertown, SD · 1,749 ft elevation · var 6E · Towered
Airport information
- ICAO / IATA
- KATY / ATY
- Coordinates
- 44.9140, -97.1547
- Elevation
- 1,749 ft MSL
- Magnetic variation
- 6E
- Sectional chart
- TWIN CITIES
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- HURON
- NOTAM facility
- ATY
- Attendance
- ALL 0430-2030
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1937/12
- Distance from city
- 2 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:05 AM | 10:05Z |
| Sunrise | 05:42 AM | 10:42Z |
| Sunset | 09:18 PM | 02:18Z |
| Evening civil twilight Loggable night begins | 09:56 PM | 02:56Z |
Loggable night (§1.1)
09:56 PM → 05:05 AM
Night currency (§61.57)
10:18 PM → 04:42 AM
Plan a flight from KATY
Runway 12/30
6,898 ft × 100 ft · Concrete (Excellent) 12
- Heading
- 119° mag · 125° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
30
- Heading
- 299° mag · 305° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
Runway 17/35
6,893 ft × 100 ft · Concrete (Good) 17
- Heading
- 174° mag · 180° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Traffic pattern
- Left
35
- Heading
- 354° mag · 0° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Approach lights
- MALSR
- Instrument approach
- ILS/DME
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| ASOS | 126.625 | |
| CNTR | 128.5 | MINNEAPOLIS CNTR |
| RDO | 122.5 | HURON RDO |
| UNIC | 123.05 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ATY · Watertown | VORTAC | 116.60 | r179° / 4 NM |
| BKX · Brookings | VOR-DME | 108.80 | r333° / 39.4 NM |
Airport diagram
Open PDF ↗Preview diagram
Approaches
- ILS OR LOC RWY 35 ↗ · amdt 12
- RNAV (GPS) RWY 12 ↗ · amdt 0B
- RNAV (GPS) RWY 17 ↗ · amdt 0B
- RNAV (GPS) RWY 30 ↗ · amdt 1B
- RNAV (GPS) RWY 35 ↗ · amdt 1A
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- 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
Owner
CITY OF WATERTOWN
P.O. BOX 910, WATERTOWN, SD
605-882-6209
Manager
IAN MERIWETHER-CHALFANT
550 E AIRPORT DRIVE, WATERTOWN, SD
605-753-9357
Remarks FAA
- PPR 48 HRS UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS CALL AMGR 605 882-6209.
- 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.
- ACR OPNS INVOLVING ACFT WITH MORE THAN 9 PSGRS ARE NOT AUZD IN EXCESS OF 15 MINS BEFORE OR AFTER SKED ARR/DEP TIMES WITHOUT PRIOR COORDINATION WITH AMGR AND CFMN THAT ARFF IS AVBL PRIOR TO LANDING OR TAKEOFF.
- ARPT SFC COND NOT MONITORED 2230-0430.
- FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.
- ACTVT MALSR RWY 35; PAPI RWY 12, 17, 30, & 35; HIRL RWY 17/35; MIRL RWY 12/30; REIL RWY 12, 17, & 30 - CTAF.
- 605-753-9357
- PCR VALUE: 509/R/D/W/T
- PCR VALUE: 491/R/D/W/T
Nearby airports
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.