Great Falls International Airport

Great Falls International Airport 
General Aviation Airport Fact Sheet 
Great Falls International Airport (KGTF) 
1600 Airport Drive, Great Falls, MT 59404
Regular Office Hours 
7 days per week, 0800-1600 
Mountain Time (MT) 
 
 
  
 
 
 
 
Contact Information 
(406) 453-0861 option 3   CBP Great Falls Airport Office 
(406) 335-9628 CBP Sweetgrass, MT POE 
KGTF_GAP@cbp.dhs.govHours of Service for Entrance 
and Clearance 
Inspection services for the entrance/
arrival of aircraft at Great Falls 
International Airport are available 
seven days per week, 0800-1600 in 
accordance with the port’s 
permission to land procedures.  
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 
prior to departure from the foreign port or place and at 
least two hours in advance of the anticipated arrival time 
at Great Falls International Airport. 
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 the CBP port to re-secure permission to 
land. 
Inspection Process 
• All inspections will be conducted on the CBP ramp unless prior arrangements
for off-site clearance are approved by CBP.
• The CBP ramp is located on the northeast corner of the airport; the tower can direct you if needed.
• Please follow the yellow taxi line and stop aircraft on the yellow box in front of the CBP facility.
• A CBP Officer will meet the aircraft on the ramp to begin the inspection.
• All passengers should be prepared to de-plane and be processed inside the CBP facility.
• Be prepared to present passports, visas, pilot’s license, medical certificate, aircraft registration, and user fee
decal (if appropriate).
• Regulated garbage handling must be coordinated through one of the FBOs.
Special Procedures/Miscellaneous 
• Effective November 17th, 2024, all flights requesting permission to land outside of normal operating hours will be
required to utilize an individual or third-party Reimbursable Services Agreement (RSP) to compensate CBP for the
overtime cost to clear the flight.
• Please contact the on-duty CBP Officer in Great Falls to inquire about after-hours clearance procedures.
• After the inspection is complete, either of the FBO services available at KGTF can fuel/service aircraft on the CBP
ramp.
• FBOs will not approach the CBP ramp until a CBP Officer has signaled the inspection is complete.
• KGTF FBO Services Holman Aviation (406) 453-7613 Great Falls Jet Center (406) 727-0663.
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 
October 31, 2025 Publication Number KGTF-1025