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WATERTOWN RGNL - Airport Diagram
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KATY
ICAO KATYIATA ATYLocal ATY
WATERTOWN RGNL
PublicPUB

2 miles NW of WATERTOWN, SD, US
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Status
Operational
Coordinates
44° 54' 50"N 97° 09' 17"W
Elevation
1749' MSL
Pattern Alt
2749' MSL
Mag Variation
3°E
Declination
6°E
Fuel
JET A, 100LL
FSS
HURON (HON)
Sectional
TWIN CITIES
ARTCC
MINNEAPOLIS (ZMP)
Data Effective
9/3/26-10/1/26
KATY MVFR
6:53 PM CDT  
Overcast 5,500'
Broken 4,300'
Broken 2,300'
10sm
52°F
47°F
30.22"Hg
100° 6kts
AO2 SLP241 60001 T01110083 10144 20106 53002
METAR KATY 212353Z AUTO 10006KT 10SM BKN023 BKN043 OVC055 11/08 A3022 RMK AO2 SLP241 60001 T01110083 10144 20106 53002
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KATY FBOs

ATY Aviation
UNICOM: 123.05
Phone: (605) 753-1230
No Rating Available
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Avfuel
As of 9/6
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 6.90
Full Serve 7.40 7.00
Fuel Notes
Prices include tax

KATY Flight Schools & Aircraft Rental

Promote Listing
Lake Area Technical Institute
Phone: (605) 882-6311
Fax: (605) 882-6345
No Rating Available
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KATY Ground Transportation (Taxi, Limo, Car Service)

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Lake City Rentals
Phone: (605) 886-8826
No Rating Available
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KATY Hotels

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Ramkota Best Western Hotel
Phone: (605) 886-8011
No Rating Available
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KATY Other Businesses

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Great Lakes Airlines
UNICOM: 128.925
Phone: (605) 886-9300
Fax: (605) 886-9301
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Weather and Advisory

ASOS 126.625
(605) 882-0578

Common

CTAF 123.05
ACTVT MALSR RWY 35; PAPI RWY 12, 17, 30, & 35; HIRL RWY 17/35; MIRL RWY 12/30; REIL RWY 12, 17, & 30 - CTAF.
UNICOM 123.05

Center

MINNEAPOLIS CENTER 128.5
LOW, APCH/DEP/CD SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 128.5/306.2 (WATERTOWN RCAG).

Terminal Area Forecast

KATY
Mon, 9/21 6:31 PM CDT
Mon, 9/21 7:00 PM CDT - Tue, 9/22 7:00 PM CDT
VFR
7:00 PM CDT - 9:00 PM CDT
Overcast 8,000'
Broken 6,000'
Few 2,200'
6sm
040° 8kts
MVFR
9:00 PM CDT - 12:00 AM CDT
Overcast 2,500'
6sm
090° 5kts
MVFR
12:00 AM CDT - 8:00 AM CDT
Overcast 1,700'
6sm
100° 4kts
IFR
8:00 AM CDT - 11:00 AM CDT
Mist
Overcast 700'
6sm
110° 7kts
MVFR
11:00 AM CDT - 2:00 PM CDT
Broken 1,400'
6sm
120° 9kts
VFR
2:00 PM CDT - 7:00 PM CDT
Scattered 4,000'
6sm
130° 11kts
Gusts 19kts
TAF KATY 212331Z 2200/2224 04008KT P6SM FEW022 BKN060 OVC080
   FM220200 09005KT P6SM OVC025
   FM220500 10004KT P6SM OVC017
   FM221300 11007KT 6SM BR OVC007
   FM221600 12009KT P6SM BKN014
   FM221900 13011G19KT P6SM SCT040
KATY
EffectiveExpiresCategoryNOTAM
Domestic
9/24/26
1600Z
9/24/26
2100Z
!ATY 09/085 ATY COM REMOTE COM OUTLET 243.0 U/S 2609241600-2609242100
9/24/26
1600Z
9/24/26
2100Z
!ATY 09/065 ATY NAV TACAN NOT MNT 2609241600-2609242100
9/18/26
2016Z
9/25/26
2359Z
!ATY 09/078 ATY OBST TOWER LGT (ASR 1041770) 445302.00N0970215.00W (5.3NM ESE ATY) 2057.1FT (246.1FT AGL) U/S 2609182016-2609252359
9/18/26
0111Z
10/3/26
0011Z
!ATY 09/069 ATY OBST TOWER LGT (ASR 1042192) 451030.00N0965914.80W (17.2NM NNE ATY) 2864.8FT (819.9FT AGL) U/S 2609180111-2610030011
9/12/26
1336Z
10/27/26
1335Z
!ATY 09/036 ATY OBST TOWER LGT (ASR 1037198) 444909.00N0971151.00W (6.0NM SSW ATY) 1985.9FT (169.9FT AGL) U/S 2609121336-2610271335
9/12/26
1003Z
9/22/26
1800Z
!ATY 09/035 ATY TWY A EDGE LGT NOT STD 2609121003-2609221800
9/8/26
1242Z
9/24/26
1800Z
!ATY 09/028 ATY APRON AIR CARRIER RAMP CLSD 2609081242-2609241800
9/8/26
1242Z
9/24/26
1800Z
!ATY 09/027 ATY TWY B CLSD 2609081242-2609241800
3/26/26
2044Z
9/30/26
2359Z
!ATY 03/194 ATY OBST TOWER LGT (ASR 1206577) 450617.00N0965918.00W (13.5NM NNE ATY) 2876.0FT (875.0FT AGL) U/S 2603262044-2609302359
FDC
9/4/26
1335Z
!FDC 6/1038 ATY ODP WATERTOWN RGNL, WATERTOWN, SD.
TAKEOFF MINIMUMS AND (OBSTACLE) DEPARTURE PROCEDURES ORIG-A...
TAKE-OFF MINIMUMS: RWY 17, 300-1 OR PROCEDURE NA. TAKEOFF OBSTACLE NOTE: RWY 17, TEMPORARY CRANE 3085FT FROM DER, 1307FT RIGHT OF CENTERLINE, 265FT AGL/2008FT MSL (2025-AGL-12519-OE). ALL OTHER DATA REMAINS AS PUBLISHED. 2609041335-2704162355EST
9/4/26
1333Z
!FDC 6/1037 ATY IAP WATERTOWN RGNL, WATERTOWN, SD.
RNAV (GPS) RWY 35, AMDT 1A...
LPV DA 2225/HAT 480 ALL CATS, VIS 1 ALL CATS. LNAV/VNAV DA 2221/HAT 476 ALL CATS, VIS 1 ALL CATS. LNAV MDA 2360/HAT 615 ALL CATS, VIS 1 ALL CATS. VDP 1.6 NM TO RW35. FOR INOP ALS, INCREASE LPV ALL CATS VISIBILITY TO 1 3/8 SM, LNAV/VNAV ALL CATS VISIBILITY TO 1 3/8 SM, LNAV CAT C/D VISIBILITY TO 1 5/8 SM. TEMPORARY CRANE 2010 MSL 3581 FT S OF RWY 35 (2025-AGL-12519-OE).
2609041333-2704162355EST
9/4/26
1321Z
!FDC 6/1031 ATY IAP WATERTOWN RGNL, WATERTOWN, SD.
ILS OR LOC RWY 35, AMDT 12...
S-ILS 35 DA 2225/HAT 480 ALL CATS, VIS 1 ALL CATS. S-LOC 35 MDA 2300/HAT 555 ALL CATS, VIS 1 ALL CATS. FOR INOP ALS, INCREASE S-ILS 35 ALL CATS VISIBILITY TO 1 3/8 SM. TEMPORARY CRANE 2010 MSL, 3581FT S OF RWY 35 (2025-AGL-12519-OE).
2609041321-2704162355EST
9/4/26
1320Z
!FDC 6/1030 ATY IAP WATERTOWN RGNL, WATERTOWN, SD.
ILS OR LOC RWY 35, AMDT 12...
RNAV (GPS) RWY 12, ORIG-B...
RNAV (GPS) RWY 17, ORIG-B...
RNAV (GPS) RWY 35, AMDT 1A...
CIRCLING CATS A/B MDA 2360/HAA 611. TEMPORARY CRANE 2010 MSL, 7830FT 1.3NM SOUTH OF KATY AIRPORT (2025-AGL-12519-OE).
2609041320-2704162355EST
4/10/26
1259Z
!FDC 6/0830 ATY IAP WATERTOWN RGNL, WATERTOWN, SD.
ILS OR LOC RWY 35, AMDT 12...
NOTE: AUTOPILOT COUPLED APPROACH NA BELOW 1910.
2604101259-2804101259EST
No
0430-2030
CITY OF WATERTOWN
P.O. BOX 910
WATERTOWN, SD 57201
Phone: 605-882-6209
IAN MERIWETHER-CHALFANT
550 AIRPORT DRIVE
WATERTOWN, SD 57201
Phone: 605-753-9357
HURON FSS (HON)
Toll Free: 1-800-WX-BRIEF
ATY
--
ACTVT MALSR RWY 35; PAPI RWY 12, 17, 30, & 35; HIRL RWY 17/35; MIRL RWY 12/30; REIL RWY 12, 17, & 30 - CTAF.
N/A
Yes - Lighted
Yes
Yes
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
None
None
Air Freight
Crop Dusting
Air Ambulance
Cargo Handling
Charter Service
Pilot Instruction
Aircraft Rental
Aircraft Sales

Runway 12/30

6898 ft. x 100 ft.
CONC  
Excellent 
GRVD 
MED 
 
80,000lbs 
97,000lbs 
160,000lbs 
-- 
  Runway 12 Runway 30
True Heading 125°305°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 44° 55' 20"N 44° 54' 41"N
Longitude 97° 10' 09"W 97° 08' 51"W
Elevation 1,748' 1,733'
Threshold Crossing Height 48 ft. AGL 34 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights
Runway End Identifier Lights Yes Yes

Runway 17/35

6893 ft. x 100 ft.
CONC  
Good 
GRVD 
HIGH 
 
120,000lbs 
177,000lbs 
301,000lbs 
-- 
  Runway 17 Runway 35
True Heading 180°0°
Traffic Pattern Left Left
Markings PIR PIR
Markings Condition GOOD GOOD
Latitude 44° 55' 14"N 44° 54' 06"N
Longitude 97° 09' 04"W 97° 09' 04"W
Elevation 1,741' 1,743'
Threshold Crossing Height 35 ft. AGL 54 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights MALSR
Centerline Lights
Runway End Identifier Lights Yes
A110-1GULLS & GEESE ON & INVOF ARPT APR-NOV.
A110-10GLDR OPNS PROHIBITED ON TWY D.
A110-3GLIDER OPNS APR THRU SEP.
A110-4ANNUALLY APRIL- SEPT HAY CUTTING OPNS IN PROGRESS; FARMING EQUIP MAY BE IN APCHS.
A110-8ARPT SFC COND NOT MONITORED 2230-0430.
A110-9FOR CD CTC MINNEAPOLIS ARTCC ON FREQ. IF UNA CTC MINNEAPOLIS ARTCC AT 651-463-5588.
A16605-753-9357
A26PPR 48 HRS UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS CALL AMGR 605 882-6209.
A39-12/30PCR VALUE: 509/R/D/W/T
A39-17/35PCR VALUE: 491/R/D/W/T
A81-APTACTVT MALSR RWY 35; PAPI RWY 12, 17, 30, & 35; HIRL RWY 17/35; MIRL RWY 12/30; REIL RWY 12, 17, & 30 - CTAF.
WATERTOWN RGNL (ICAO: KATY, IATA: ATY) is a public airport located in WATERTOWN, SD, US.