Watertown Regional Airport
Daylight today(Jul 16, 2026, local time)
About 15h 14m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Watertown Regional Airport

Watertown Regional Airport, formerly Watertown Municipal Airport, is two miles northwest of Watertown in Codington County, South Dakota, United States.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KATYLive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 12 / 30 | 6,898 ft / 2,103 m | 100 ft | Asp | Lighted | Open |
| 17 / 35 | 6,893 ft / 2,101 m | 100 ft | Asp | Lighted | Open |
Radio frequencies (4)
| Type | Description | Frequency |
|---|---|---|
| ASOS | ASOS | 126.625 MHz |
| CNTR | MINNEAPOLIS CNTR | 128.500 MHz |
| RDO | HURON RDO | 122.500 MHz |
| UNIC | CTAF/UNICOM | 123.050 MHz |
Navaids(2)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (5)
Takeoff & alternate minimums (2)
Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| WATERTOWN CLASS E2 | Class E | Controlled | GND | 17999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | — | 1,916 ft | — |
| Obstacle | — | 1,919 ft | — |
| Obstacle | — | 1,909 ft | — |
| Obstacle | — | 1,883 ft | — |
| Obstacle | — | 1,900 ft | — |
| Obstacle | — | 1,913 ft | — |
| Obstacle | — | 1,890 ft | — |
| Obstacle | — | 1,913 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Watertown Regional Airport.
Frequently asked questions
What is the ICAO code for Watertown Regional Airport?
The ICAO code for Watertown Regional Airport is KATY, and its IATA code is ATY.
Where is Watertown Regional Airport located?
Watertown Regional Airport is medium airport located in Watertown, United States, at an elevation of 1,749 ft (533 m).
How many runways does Watertown Regional Airport have?
Watertown Regional Airport has 2 runways, the longest being 6,898 ft / 2,103 m.
Which airlines fly to Watertown Regional Airport?
Airlines historically serving Watertown Regional Airport include Frontier Airlines, Great Lakes Airlines (based on OpenFlights route data, which may be out of date).
How many destinations are served from Watertown Regional Airport?
Historical data lists 2 nonstop destinations from Watertown Regional Airport. Always check current schedules.
What time zone is Watertown Regional Airport in?
Watertown Regional Airport is in the America/Chicago time zone (UTC-05:00).
What is the magnetic variation at Watertown Regional Airport?
The magnetic variation (declination) at Watertown Regional Airport is approximately 2.8° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Watertown Regional Airport?
The nearest airport to Watertown Regional Airport is South Shore Airport (US-3415), about 14.8 nm to the ne, followed by Clear Lake Municipal Airport and Clark County Airport.
Is the information on this page suitable for flight planning?
No. Watertown Regional Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.