Watertown International Airport

General Aviation Airport Fact Sheet 
Watertown International Airport (KART) 
 2259 Airport Drive, Dexter, NY 13634
Regular Office Hours 
CBP Alexandria Bay, NY POE 
24 hours/day, 7 days/week 
Eastern Time (ET)
 
 
 
  
 
 
 
 
Contact Information 
(315) 482-5004 ext. 5894   CBP Port of Alexandria Bay POE
KART_GAP@cbp.dhs.gov
Hours of Service for Entrance 
and Clearance 
Inspection services for the entrance/
arrival of aircraft at Watertown 
International Airport are generally 
available seven days per week, 24 
hours per day in accordance with the 
port's permission to land procedures.   
See Fixed Base Operator (FBO) hours 
below. 
Commercial aircraft operators 
departing the U.S. must obtain an 
outbound clearance by contacting CBP 
directly. 
Permission to Land Procedures 
Pilots must secure permission to land by contacting CBP 
at the Alexandria Bay, NY POE prior to departure from 
the foreign port or place and at least 2 hours prior to 
arrival.  
Permission to land is granted with a tolerance of (+/-) 30 
minutes. If your ETA deviates outside these parameters, 
previously granted permission(s) are invalid and you 
must contact CBP to re-secure permission to land.  
Inspection Process 
• Aircraft should park at the FBO.
• There is no CBP office at this location.
• A CBP Officer will meet the aircraft on the ramp to begin the inspection.
• Aircrew and passengers will be processed planeside.
• Be prepared to present passports, visas, pilot’s license, medical certificate, aircraft registration, and user
fee decal if operating a private flight.
• There is no USDA compliance agreement in place at this airport for the collection of regulated waste/
garbage. Only aircraft arriving from Canada can be serviced by CBP at this airport.
Special Procedures/Miscellaneous 
• Watertown International Airport FBO Office:
o Contact Number: 315-786-6001
o After Hours: 315-816-2331 or 315-816-2334
o FAX Number: 315-639-3990
o Hours of Operation:
 Summer:    6 a.m. - 7 p.m. (seven days per week)
 Winter:       6 a.m. - 5 p.m. (seven days per week) 
NOTE: For further detailed information regarding national GA processing standards and procedures, 
please refer to the CBP Private Aircraft Arrival Information Document or contact GAsupport@cbp.dhs.gov 
December 16, 2025 Publication Number KART-1225 
Watertown International Airport