MBS International Airport

General Aviation Airport Fact Sheet 
MBS International Airport (KMBS) 
8430 Garfield Road, Hangar 4, Freeland, MI 48623
Regular Office Hours 
Monday-Friday, 0800-1600 
Eastern Time (ET) 
 
 
  
 
 
 
 
Contact Information 
(989) 695-2871   CBP Port Office 
KMBS_GAP@cbp.dhs.gov
Hours of Service for Entrance 
and Clearance 
Inspection services for the entrance/
arrival of aircraft at MBS International 
Airport are available Monday-Friday, 
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 
telephonically prior to departure from the foreign port or 
place and at least two hours in advance of the anticipated 
arrival time at KMBS.
Permission to land is granted with a tolerance of (+/-) 20 
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 will be parked by Av Flight FBO personnel on the ramp.
• The aircraft control tower can assist if needed.
• A CBP Officer will meet the aircraft to begin the inspection.
• Passengers can depart the FBO directly at the conclusion of the inspection.
Special Procedures/Miscellaneous 
• After hours and weekend services are limited.
• Av Flight FBO (800) 227-7907.
• 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.
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 8, 2025 Publication Number KMBS-1225 
MBS International Airport