Aircraft Certification Service
Engine and Propeller Directorate Field Offices
Manufacturing Inspection District Offices (MIDOs)

Office	Geographic Area of Service
Boston Manufacturing Inspection District Office 12 New England Executive Park Burlington, Massachusetts 01803 (781) 238-7179 FAX: (781) 238-7898	Maine Massachusetts New Hampshire New York - north of Westchester County only Rhode Island Vermont
Farmingdale Manufacturing Inspection District Office 7150 Republic Airport, Suite 236 Farmingdale, New York 11735-1585 (631) 694-8420 FAX: (631) 694-8424	New York - Long Island, New York City(Westchester County only)
New Cumberland Manufacturing Inspection District Office Bldg. 201, Room 102, 400 Airport Drive New Cumberland, Pennsylvania 17070-3419 (717) 782-4425 FAX: (717) 782-2231	District of Columbia Maryland New York - Chemung County only Pennsylvania Virginia West Virginia
Saddle Brook Manufacturing Inspection District Office Park 80 West - Plaza One, Concourse Level Saddle Brook, New Jersey 07663 (201) 556-9490 FAX: (201) 556-9495	Delaware New Jersey
Windsor Locks Manufacturing Inspection District Office Building 85-214 Bradley International Airport Windsor Locks, Connecticut 06096 (860) 654-1090 FAX: (860) 654-1089	Connecticut