Williston Basin International Airport

General Aviation Airport Fact Sheet 
Williston Basin International Airport (KXWA) 
 14151 Commerce Drive, Williston, ND 58801
Regular Office Hours 
7 days per week, 0900-1700 
Central Time (CT)  
 
 
  
 
 
 
 
Contact Information 
(701) 875-2128   CBP Williston Basin International Airport 
KXWA_GAP@cbp.dhs.gov
Hours of Service for Entrance 
and Clearance 
Inspection services for the entrance/arrival of 
aircraft at Williston Basin International Airport 
are generally available seven days per week, 
24 hours per day(*) in accordance with the 
port's permission to land procedures.
(*)After-hours service available through 
the Reimbursable Services 
Program(RSP). A local RSP account is 
available. (Call for Information) 
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 during regular 
office hours and at least two hours prior to departure from 
the foreign port or place. 
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 
• All aircraft must follow FBO parking instructions.
• Control Tower can direct you if needed.
• Prior to arrival, inform CBP of any passengers that may have mobility issues. Clearance onboard the
aircraft can be arranged.
• A CBP Officer will meet the aircraft on the ramp to begin the inspection.
• All crew and passengers will be processed inside the GAF unless passenger(s) have mobility issues.
• Be prepared to present passports, visas, pilot's license, medical certificate, aircraft registration, and
user fee decal (if appropriate).
• Regulated waste/garbage will be declared and collected by ground crew.
• Passengers can depart directly from GAF at the conclusion of their inspection.
Special Procedures/Miscellaneous 
• All after-hours arrival requests will require RSP services. A local RSP account is available for use.
• Staff may be available to clear flights 24/7/365 but the airport is not staffed 24/7/365.
• Pilots must secure permission to land by contacting (speaking to) a KXWA CBP officer.
• Williston's FBO is Overland Aviation, (701) 875-4334 or Unicom Frequency: 130.425.
• Advise CBP if transporting live animals, weapons, hunting trophies, or commercial imports.
• For currency reporting guidance: https://www.cbp.gov/sites/default/files/documents/currency_reporting.pdf
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 2, 2025 Publication Number KXWA-1225 
Williston Basin International Airport