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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
2/19/26-3/19/26
KATY MVFR
3:53 PM CDT  
Haze
Overcast 1,500'
4sm
20°F
15°F
29.70"Hg
180° 15kts
Gusts 27kts
AO2 PK WND 18030/2003 UPE08 SLP092 P0000 60000 T10671094 56037
METAR KATY 172053Z AUTO 18015G27KT 4SM HZ OVC015 M07/M09 A2970 RMK AO2 PK WND 18030/2003 UPE08 SLP092 P0000 60000 T10671094 56037
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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 2/21
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 5.80
Full Serve 6.30 6.10
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 SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 128.5/306.2 (WATERTOWN RCAG).

Flight Service

Flight Service 122.5
(HON)

Terminal Area Forecast

KATY
Tue, 3/17 3:19 PM CDT
Tue, 3/17 3:00 PM CDT - Wed, 3/18 1:00 PM CDT
MVFR
Temporary 3:00 PM CDT - 5:00 PM CDT
Blowing Snow
Overcast 3,500'
3sm
Calm
MVFR
3:00 PM CDT - 5:00 PM CDT
Blowing Snow and Showers in vicinity
Overcast 1,500'
6sm
180° 18kts
Gusts 27kts
VFR
5:00 PM CDT - 9:00 PM CDT
Overcast 4,000'
6sm
200° 16kts
Gusts 26kts
VFR
9:00 PM CDT - 11:00 AM CDT
Broken 20,000'
6sm
190° 9kts
VFR
11:00 AM CDT - 1:00 PM CDT
Broken 8,000'
6sm
260° 8kts
TAF KATY 172019Z 1720/1818 18018G27KT 6SM BLSN VCSH OVC015
   TEMPO 1720/1722 3SM BLSN OVC035
   FM172200 20016G26KT P6SM OVC040
   FM180200 19009KT P6SM BKN200 WS020/30030KT
   FM181600 26008KT P6SM BKN080
KATY
EffectiveExpiresCategoryNOTAM
Domestic
3/19/26
1400Z
3/19/26
2000Z
!ATY 03/170 ATY NAV ILS RWY 35 U/S 2603191400-2603192000
3/17/26
1600Z
3/18/26
1600Z
!ATY 03/169 ATY TWY C FICON PATCHY 1IN DRY SN OBS AT 2603171600. 2603171600-2603181600
3/17/26
1600Z
3/18/26
1600Z
!ATY 03/168 ATY APRON GA APN FICON PATCHY 1IN DRY SN OBS AT 2603171600. 2603171600-2603181600
3/17/26
1559Z
3/18/26
1559Z
!ATY 03/167 ATY TWY A FICON PATCHY 1IN DRY SN OBS AT 2603171559. 2603171559-2603181559
3/17/26
1558Z
3/18/26
1558Z
!ATY 03/166 ATY APRON TERMINAL APN FICON PATCHY 1IN DRY SN OBS AT 2603171558. 2603171558-2603181558
3/17/26
1557Z
3/18/26
1557Z
Runway!ATY 03/165 ATY RWY 17 FICON 20 PCT 1IN DRY SN OBS AT 2603171557. 2603171557-2603181557
3/17/26
1556Z
3/18/26
1556Z
Runway!ATY 03/164 ATY RWY 12 FICON 20 PCT 1IN DRY SN OBS AT 2603171556. 2603171556-2603181556
3/16/26
2224Z
3/17/26
2224Z
!ATY 03/160 ATY APRON ALL FICON PATCHY 1/8IN DRY SN OBS AT 2603162224. 2603162224-2603172224
3/11/26
1920Z
7/9/26
1920Z
!ATY 03/112 ATY OBST TOWER LGT (ASR 1276061) 445457.10N0965754.20W (8.1NM E ATY) 2250.0FT (301.8FT AGL) U/S 2603111920-2607091920
2/26/26
0031Z
4/12/26
0031Z
!ATY 02/103 ATY OBST TOWER LGT (ASR 1278343) 444359.20N0965708.50W (13.9NM SE ATY) 1994.8FT (257.9FT AGL) U/S 2602260031-2604120031
2/22/26
0513Z
3/24/26
2300Z
!ATY 02/099 ATY OBST TOWER LGT (ASR 1318818) 445515.45N0965336.70W (11.1NM E ATY) 2359FT (333FT AGL) U/S 2602220513-2603242300
10/29/25
2101Z
3/31/26
2359Z
!ATY 10/080 ATY OBST TOWER LGT (ASR 1206577) 450617.00N0965918.00W (13.5NM NNE ATY) 2876.0FT (875.0FT AGL) U/S 2510292101-2603312359
No
0430-2030
CITY OF WATERTOWN
P.O. BOX 910
WATERTOWN, SD 57201
Phone: 605-882-6209
IAN MERIWETHER-CHALFANT
550 E 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.
A110-3GLIDER OPNS APR THRU SEP.
A110-4ANNUALLY APRIL- SEPT HAY CUTTING OPNS IN PROGRESS; FARMING EQUIP MAY BE IN APCHS.
A110-5ACR OPNS INVOLVING ACFT WITH MORE THAN 9 PSGRS ARE NOT AUZD IN EXCESS OF 15 MINS BEFORE OR AFTER SKED ARR/DEP TIMES WITHOUT PRIOR COORDINATION WITH AMGR AND CFMN THAT ARFF IS AVBL PRIOR TO LANDING OR TAKEOFF.
A110-8ARPT SFC COND NOT MONITORED 2230-0430.
A110-9FOR CD IF UNA TO CTC ON FSS FREQ, 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.