Watertown, South Dakota
KATY Watertown Rgnl
Watertown Rgnl (KATY) is a non-towered, public-use airport in Watertown, South Dakota, at 1,749.3 ft MSL. It has 2 runways: 12/30 (6,898 by 100 ft, concrete), 17/35 (6,893 by 100 ft, concrete). CTAF 123.05.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KATY, FAA ATY
- Location
- Watertown, South Dakota (Codington County). 2 NM NW of the city center
- Elevation
- 1,749.3 ft MSL
- Position
- 44.9140° N, 97.1547° W
- Control tower
- No, non-towered
- Sectional chart
- Twin Cities
- Magnetic variation
- 6° E (1985)
- Fuel
- 100LL, Jet A
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily 0430-2030
2 runways
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 12/30 | 6,898 × 100 ft | Concrete, excellent condition | Medium intensity |
| 17/35 | 6,893 × 100 ft | Concrete, good condition | High intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 12 | Left traffic | 4-light PAPI, left | None listed | None listed | 6,899 ft |
| 30 | Left traffic | 4-light PAPI, left | None listed | None listed | 6,899 ft |
| 17 | Left traffic | 4-light PAPI, left | None listed | None listed | 6,894 ft |
| 35 | Left traffic | 4-light PAPI, left | ILS/DME | None listed | 6,894 ft |
VHF
Frequencies
- CTAF
- 123.05
- UNICOM
- 123.05
Weather station
- ASOS ATY
- 126.625
Before you go
Brief KATY in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Watertown Rgnl, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.