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Watertown Regional Airport
KATY ATY (Watertown, SD)
Class E: untowered

Elevation: 1749


RwySizeTypeCond.
12/306898x100ConcreteExcellent
17/356893x100ConcreteGood


Chart Supplement (pdf version)

WATERTOWN RGNL (ATY)(KATY) 2 NW UTC–6(–5DT) N44º54.84´ W97º09.28´
1749 B Class I, ARFF Index A NOTAM FILE ATY
RWY 12–30: H6898X100 (Grooved Concrete) S–80, D–97, 2S–137, 2D–160 PCR 509 R/D/W/T MIRL
RWY 12: Runway End Identifier Lights. PAPI(P4L)—GA 3.0º TCH 48´.
RWY 30: Runway End Identifier Lights. PAPI(P4L)—GA 3.0º TCH 34´. Tree.

RWY 17–35: H6893X100 (Grooved Concrete) S–120, D–177, 2S–137, 2D–301 PCR 491 R/D/W/T HIRL
RWY 17: Runway End Identifier Lights. PAPI(P4L)—GA 3.0º TCH 35´.
RWY 35: MALSR. PAPI(P4L)—GA 3.0º TCH 54´. Building.
RUNWAY DECLARED DISTANCE INFORMATION
RWY 12:TORA–6899TODA–6899ASDA–6899LDA–6899
RWY 17:TORA–6894TODA–6894ASDA–6894LDA–6894
RWY 30:TORA–6899TODA–6899ASDA–6899LDA–6899
RWY 35:TORA–6894TODA–6894ASDA–6894LDA–6894
SERVICE: S4 FUEL 100LL, JET A LIGHTING ACTIVATE MALSR Runway 35; PAPI Runway 12, Runway 17, Runway 30, Runway 35; HIRL Runway 17–35; MIRL Runway 12–30; Runway End Identifier Lights Runway 12, Runway 17 and Runway 30—CTAF.

AIRPORT REMARKS: Attended 1030–0230Z‡. Airport surface conditions not monitored 0400–1030Z‡. Glider operations April through September. Gulls and geese on and in the vicinity of airport April–November. Annually April–September hay cutting operations in progress, farming equipment may be in approaches. Prior Permission Required 48 hours unscheduled air carrier operations with more than 30 passenger seats call airport manager 605–882–6209. Air carrier operations involving aircraft with more than 9 passengers are not authorized in excess of 15 minutes before or after scheduled arrival/departure times without prior coordination with airport manager and confirmation that ARFF is available prior to landing or takeoff. Landing fee.

AIRPORT MANAGER: 605-753-9357
WEATHER DATA SOURCES: ASOS 126.625 (605) 882–0578.
COMMUNICATIONS: CTAF/UNICOM 123.05
RCO 122.5 (HURON RADIO)
®
MINNEAPOLIS CENTER APPROACH/DEPARTURE CONTROL 128.5 CLEARANCE DELIVERY PHONE: For clearance delivery if unable to contact on FSS frequency, contact Minneapolis ARTCC at 651-463-5588.
AIRSPACE: CLASS E.
RADIO AIDS TO NAVIGATION: NOTAM FILE ATY.
(L) TACAN Chan. 113
ILS/DME 111.9 I–ATY Chan. 56 Runway 35. Class IT. ATY (116.6) N44º58.78´ W97º08.50´ 179º 4.0 NM to field. 1763/9E.



ApproachTypeCat B MinsPlate
RNAV (GPS) RWY 12LPV
LNAV/VNAV
LNAV
CIRCLING
2021-⅞
2076-1
2100-1
2260-1
chart
ILS OR LOC RWY 35S-ILS 35
S-LOC 35
CIRCLING
1945-½
2080-½
2260-1
chart
RNAV (GPS) RWY 17LPV
LNAV/VNAV
LNAV
CIRCLING
2055-⅞
2130-1⅛
2120-1
2260-1
chart
RNAV (GPS) RWY 30LPV
LNAV/VNAV
LNAV
CIRCLING
1989-¾
2210-1⅜
2360-1
2360-1
chart
RNAV (GPS) RWY 35LPV
LNAV/VNAV
LNAV
CIRCLING
1945-½
2180-¾
2160-½
2260-1
chart



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Database updated: 2026/03/19

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