The U.S. aircraft register, updated daily
Airports · South Dakota · airport · FAA file effective October 1, 2026

Watertown Regional

ATY · KATY · Watertown, South Dakota · Codington County · map

Watertown Regional is a public-use airport owned by the City of Watertown, 2 miles northwest of Watertown, South Dakota, 1,749 feet above sea level. It has 2 runways; the longest, 12/30, is 6,898 feet of concrete. It has fuel (100LL avgas, Jet A).

Weather right now KATY · observed 4:53 pm CDT (21:53 UTC), 13 minutes ago

VFR good flying weather

  • Wind from the west-northwest (300°) at 9 knots
  • Visibility 10 miles or more
  • Temperature 79°F (26°C), dew point 41°F (5°C)
  • Altimeter 29.81 inHg

The forecast issued Tue 12:33 pm CDT (17:33 UTC), good until Wed 1:00 pm CDT (18:00 UTC)

  • From Tue 1:00 pm CDT (18:00 UTC): wind from the west-northwest at 11 knots, visibility more than 6 miles, clear skies VFR
  • From Tue 9:00 pm CDT (02:00 UTC): wind from the north-northwest at 4 knots, visibility more than 6 miles, clear skies VFR
  • From Wed 11:00 am CDT (16:00 UTC): wind from the west at 8 knots, visibility more than 6 miles, scattered clouds at 22,000 feet VFR
The codes as issued (METAR and TAF)

METAR KATY 062153Z AUTO 30009KT 10SM CLR 26/05 A2981 RMK AO2 SLP091 T02610050

TAF KATY 061733Z 0618/0718 30011KT P6SM SKC FM070200 33004KT P6SM SKC FM071600 27008KT P6SM SCT220

From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.

The airport

Codes
FAA ATY · ICAO KATY
Kind
Airport · open to the public · publicly owned
Owner
City of Watertown
Elevation
1,749 feet above sea level
Control tower
No control tower
Attended
every day, 4:30 am to 8:30 pm
Lights
runway lights see the remarks below; beacon sunset to sunrise
Fuel
100LL avgas, Jet A
Repairs
airframe: major repairs; engine: major repairs
Parking
hangar, tiedown
Notes
landing fee · certified for airline service (Part 139)
On the chart
Twin Cities sectional
Magnetic variation
6E
In the FAA's files since
December 1937

This airport's record at the FAA

Runways 2

12301735N1,000 ft
Runways drawn to scale from the FAA's positions, north up.
FAA airport diagram for Watertown Regional
The FAA's official airport diagram (taxiways, ramps, hot spots); tap to enlarge, or open the FAA's PDF.

For understanding the field, not for navigation.

RunwayLength × widthSurfaceLights
12/306,898 × 100 ftConcrete, excellentMedium-intensity lights
17/356,893 × 100 ftConcrete, goodHigh-intensity lights
  • Runway 12: PAPI, four lights on the left
  • Runway 30: PAPI, four lights on the left, tree 51 ft high 2,013 ft from the end
  • Runway 17: PAPI, four lights on the left
  • Runway 35: ILS with DME, PAPI, four lights on the left, medium-intensity approach lights with runway alignment lights (MALSR), building 83 ft high 3,775 ft from the end

Radio frequencies

Common traffic advisory (CTAF) · UNICOM123.05
Aty and automated weather (ASOS)126.625
Watertown and center (remote transmitter) Low128.5

Automated weather (ASOS), by phone 605-882-0578.

Wind map live wind over the area, from Windy.com

Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.

Aircraft registered in Watertown from the FAA register

68 aircraft are registered to owners in Watertown, South Dakota: 46 piston singles, 6 turboprops, 4 piston twins, 3 weight-shift and powered parachutes, 3 helicopters. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.

Companies and organisations in town with two or more aircraft:

Lake Area Technical College 9Aty Aviation INC 7Lake Area Technical Institute 4Fast AG Air LLC 3C P Holdings LLC 2Arbach Enterprises INC 2

Individuals are counted, never named. All aircraft registered in South Dakota.

Accidents and incidents at or near this airport NTSB records · 8 since 1982, 3 fatal

2024-02-25CEN24LA121 · Piper Pa-28-181 N38696 · accident · no injuries
2017-06-26GAA17CA374 · Champion 7Bcm N3195C · accident · no injuries
2011-12-09CEN12LA103 · Beech C23 N6717K · accident · no injuries
2010-05-29CEN10LA275 · Bellanca 7Gcbc N88399 · accident · 2 killed
2000-04-27CHI00FA123 · Cessna 177Rg N1978Q · accident · 1 killed
1997-12-31CHI98LA073 · Cessna 402B N5087Q · accident · 1 killed
1983-07-14NYC83LA174 · Cessna 150M N6416K · accident · no injuries
1982-10-22DEN83LTK01 · Eipper-Formance Mx-Ii N3133L · accident · no injuries

Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.

Nearby within 30 nautical miles

The FAA's remarks as written in the airport file

  • Gulls and geese on and in the vicinity of airport APR-NOV.
  • Activate approach lights (MALSR) runway 35; PAPI runway 12, 17, 30, and 35; high-intensity runway lights runway 17/35; medium-intensity runway lights runway 12/30; runway end identifier lights runway 12, 17, and 30 - the common traffic frequency.
  • Glider operations apr through sep.
  • Annually APRIL- sept hay cutting operations in progress; farming equip may be in approaches.
  • Airport surface condition not monitored 10:30 pm to 4:30 am.
  • Glider operations prohibited on taxiway D.

Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.