To cancel or change an appointment: Please contact the National Maritime Center at 1-888-427-5662 or

Appointment Locator
Address 455 Commercial Street
Boston, MA 02109-1045
Select Service

Exam Registration
Written Exam Date(s)
Choose a Monday below if you are looking to schedule exam sessions. Your selection will save you a seat for Monday through Thursday. No exams are administered on Fridays. Prior to scheduling an exam you MUST have an ///Approved to Test" letter from the National Maritime Center. Arrive at 08:00 on Monday and sign in at the front counter. If you have scheduling concerns or cannot attend on a Monday, contact the exam room at(617)557-9082.
Mon,4/28/2014 (6 of 13 available) 
Mon,5/5/2014 (4 of 13 available) 
Mon,5/19/2014 (7 of 13 available) 
Tue,5/27/2014 (13 of 13 available) 
Mon,6/2/2014 (12 of 13 available) 
Mon,6/9/2014 (12 of 13 available) 
Mon,6/16/2014 (13 of 13 available) 
Mon,6/23/2014 (13 of 13 available) 
National Maritime Center (NMC)
Mariner Credentialing Program (MCP)

Welcome to our on-line appointment system

YOU MUST POSSESS OR SHOW PROOF OF APPLYING FOR A TWIC AT THE TIME OF APPLICATION if you work on a vessel with a Vessel Security Plan or have never previously held a TWIC

If you are requesting an exam appointment for First Class Pilot; Please contact the REC directly.

To get Started:

1) Choose the REC you would like to visit.,
2) Choose the service that you require.
3) Select a staff member or No preference.
4) Select an OPEN day from the calendar.
5) Select an available time slot.
6) Complete the required information.
7) Finalize your appointment.

* You must make an appointment for each exam module.

Need an Application Package? Visit our website:

To pay your fees please visit:

All inquiries should be made to: 1-888-IASKNMC (1-888-427-5662)

or email:

To check the status of your application visit: