Watertown Regional Airport ATY / KATY
Watertown, South Dakota · United States · City of Watertown
28kpax · 2024
Limited hoursJet A · Avgas 100LL
ICAO / IATAKATY / ATY
OperatorCity of Watertown
Coordinates44.9139°N, 97.1547°W
Elevation1,749 ft · 533 m
Time zoneCT (UTC-6/-5 DST)
Passengers / yr28,268 (2024)
CustomsNo
Border controlNo
SchengenNo
FuelJet A · Avgas 100LL
Bonded—
AIP referenceKATY — FAA Chart Supplement / d-TPP
Operating hoursAirport grounds/AOE 0430-2030 daily (unattended outside these hours); no control tower (non-towered, CTAF 123.05); no published curfew, PPR not required for based/GA traffic.
TerminalsSingle terminal opened August 2022 with two gates and a movable jet bridge, replacing the prior facility.
Runways (2)
- 12/30 · 2,103 m / 6,898 ft · 30 m wide · Concrete
- 17/35 · 2,101 m / 6,893 ft · 30 m wide · Concrete · ILS ILS/DME (Rwy 35)
Airport contact
Essential Air Service (EAS) airport served by United Express (SkyWest) to Denver (DEN) and Delta Connection (SkyWest) to Minneapolis-St. Paul (MSP); originally built as Watertown Army Airfield, a WWII Second Air Force cold-weather bomber training base.
Services
Available
On request / PPR
Seasonal / ageing
Unconfirmed / not listed
Ground handling
Available
SkyWest Airlines
Self-handles its own EAS regional-jet flights at ATY with its own station agents, operating under both the Delta Connection brand (to Minneapolis-St. Paul, CRJ-550) and the United Express brand (to Denver, CRJ-200) since taking over the EAS contract on Aug 1, 2025; no independent third-party ground handler operates at this station, and handling is not offered to other carriers or transient operators.
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Verified 2 months ago · unconfirmed source
Aircraft fuel
Available
ATY Aviation, Inc.
Sole FBO on the field at Watertown Regional; sells Avfuel-branded Jet A (with Prist/FSII) and 100LL, both full-serve and self-serve. · Mon-Fri 8:00-17:00, Sat-Sun 8:00-16:00
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
De-icing
Not listed
Part-145 line maintenance
On request
ATY Aviation, Inc.
FBO listing advertises general aircraft maintenance alongside fueling and rental operations; specific repair scope and certifications remain unconfirmed.
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Verified 2 months ago · unconfirmed source
Part-145 base maintenance
Not listed
Component shops & overhaul
Not listed
Flight catering
Not listed
Aircraft cleaning
Not listed
Ground support equipment
Not listed
Cargo handling
Not listed
Aviation security
Not listed
Passenger & crew transport
Available · 2 providers
ATY Aviation, Inc.
Offers a courtesy car, taxi-service coordination, and rental-car capability on site for based and transient pilots and crews.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Quest Car Rental
On-site rental car company serving passengers and crews arriving at Watertown Regional Airport.
Contact details available to subscribersYour company? Subscribe · Founding Member Price €199/yr
Verified 2 months ago · unconfirmed source
Flight support
Not listed
Hotel & travel
Not listed
AviatData