AviatDataWatertown International Airport ART / KART
Watertown, New York · United States · Jefferson County, New York
46kpax · 2024
Limited hoursInternational · customs & immigrationJet A · Avgas 100LL
ICAO / IATAKART / ART
OperatorJefferson County, New York
Coordinates43.9918°N, 76.0194°W
Elevation331 ft · 101 m
Time zoneET (UTC-5/-4 DST)
Passengers / yr46,292 (2024)
CustomsYes
Border controlYes
SchengenNo
FuelJet A · Avgas 100LL
Bonded—
AIP referenceKART — FAA Chart Supplement / d-TPP
Operating hoursSeasonal staffed hours: Oct-Apr 0600-1800 local, May-Sep 0500-1900 local; not staffed 24 hours. Designated international port of entry with U.S. Customs and Border Protection (CBP) available for private/general aviation arrivals by PPR, two hours' advance notice (tel. •••).
TerminalsNew 25,000-sq-ft passenger terminal with jet bridge, expanded ticketing and baggage claim opened November 2025 (~$32.3M project); phase-two renovation converting the original terminal into a restaurant/office space, targeted for spring 2026 completion. County-operated FBO on field offers Jet A and 100LL.
Runways (2)
- 10/28 · 2,134 m / 7,001 ft · 46 m wide · Asphalt
- 07/25 · 1,524 m / 4,999 ft · 46 m wide · Asphalt · ILS ILS or LOC RWY 07
County-owned public/international airport 6 mi west of Watertown, NY, serving the North Country region and the adjacent Fort Drum (10th Mountain Division) military installation; American Eagle (American Airlines, operated as Piedmont) provides subsidized Essential Air Service (EAS) to Philadelphia (PHL) under a DOT contract running Feb 2026-Jan 2028.
Services
Available
On request / PPR
Seasonal / ageing
Unconfirmed / not listed
Ground handling
Available · 2 providers
Jefferson County FBO (Watertown International Airport)
FBO line service covers tie-down, hangar arrangement, marshaling, lavatory service, air stairs, baggage-belt/cart handling, ground power unit support, and engine pre-heat for GA aircraft, per the airport's published general-aviation services list.
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Verified 2 months ago · unconfirmed source
Envoy Air (operating as American Eagle)
The airport's own jobs page lists Envoy Air (not a third-party ground handler) as the on-site commercial-airline employer at ART, indicating Envoy directly staffs ramp, baggage, and gate operations for the twice-daily American Eagle regional-jet service to Philadelphia (PHL, flights AA5974/AA6022) rather than contracting out ground handling.
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Verified 2 months ago · unconfirmed source
Aircraft fuel
Available
Jefferson County FBO (Watertown International Airport)
The county-operated FBO sells Phillips 66 branded 100LL and Jet A full-service fuel; AirNav's fuel index listed prices of $7.35/gal for 100LL and $7.70/gal for Jet A as of 2026-07-07. · 0600-2000 daily in summer, 0600-1700 daily in winter, 7 days/week; exact seasonal changeover dates are not published
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Verified 2 months ago · unconfirmed source
De-icing
Seasonal
Jefferson County FBO (Watertown International Airport)
The airport's own FBO/general-aviation services listing advertises aircraft de-icing and anti-icing using TKS Type I and Type IV fluid for based and transient general-aviation traffic.
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Verified 2 months ago · unconfirmed source
Part-145 line maintenance
Not listed
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
Unconfirmed
Envoy Air (operating as American Eagle)
The airport's contact page lists an American Airlines Cargo national reservations line, which is not specific to the ART station; no dedicated cargo facility, agent, or volume at ART could be confirmed, so any belly cargo on the PHL flight is only presumed to be handled by the same Envoy ramp staff.
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Verified 2 months ago · unconfirmed source
Aviation security
Available · 2 providers
Transportation Security Administration (TSA)
TSA is listed by the airport as one of its on-site federal employers on the jobs page, and the airport's passenger-service page confirms TSA staffs the security checkpoint required for the scheduled American Eagle service, recommending arrival two hours before departure.
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Verified 2 months ago · unconfirmed source
U.S. Customs and Border Protection (KART)
Per CBP's official KART general-aviation fact sheet, CBP provides customs clearance for general-aviation arrivals on a call-in basis with 2 hours' advance notice; officers are dispatched from the nearby Alexandria Bay port of entry rather than being based on-site, and no fixed daily operating hours are published.
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Verified 2 months ago · unconfirmed source
Passenger & crew transport
On request · 2 providers
Hertz
Hertz's own location finder lists a dedicated Watertown Airport/FBO rental counter (location code ARTW05) at the airport for arriving passengers and crews.
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Verified 2 months ago · unconfirmed source
Enterprise Rent-A-Car
Enterprise's own location finder lists a dedicated 'Watertown International Airport' rental location (store 29Y8) at the airport for arriving passengers and crews.
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Verified 2 months ago · unconfirmed source
Flight support
Not listed
Hotel & travel
Not listed