Mercantile Marine Office (MMO)
The Mercantile Marine Office (MMO) is part of the Maritime Safety Directorate of the Department of Transport, Tourism and Sport.
Contact Details:
The Mercantile Marine Office is located at the Department of Transport, Tourism and Sport Leeson Lane, Dublin 2.
Telephone No: + 353 (0)1-6783480 (Public Office)
Fax Number: + 353 (0)1-6783489
Staff:
Sharon McGrath, Superintendent, Ph: + 353 (0)1-6783481
Jimmy Thompson, Clerical Officer, Ph: + 353 (0)1-6783483
Alan Woods Conway, Clerical Officer, Ph: + 353 (0)1 - 6041505
MAIN FUNCTIONS
1. Shipping
1.1 To maintain a General Register of Shipping
1.2 To assist vessel owners in complying with Ship Registration Procedures
1.3 To process GR342 Applications to reserve a name proposed for an Irish ship
1.4 To process applications for Ministerial Approval sought under the Mercantile Marine Act, 1955
1.5 To collect receipts for Ship Survey applications for the Marine Survey Office (MSO)
1.6 To collect receipts for Ship Radio Licence applications for the Maritime Radio Affairs Unit (MRAU)
1.7 Sale of publications including Ship Articles, Crew Agreements, Log Books, Garbage and Oil Record Books
2. Seafarers
2.1 To maintain a General Register of Seafarers
2.2 To process applications for Irish Seafarer's Record Book and Certificates of Discharge (Irish Seafarer's Discharge Book)
2.3 To process applications for Irish Seafarer's Identity Cards
2.4 To process applications for Seafarer's Sea Time Records
2.5 To collect receipts for Deck and Engineering Certificate exam applications for the MSO
2.6 To collect receipts for Radio Operators Certificates for the MRAU
2.7 To process applications for Efficient Deck Hand (EDH) Certificates
2.8 To process applications for Able Bodied Seamen (AB) Certificates
2.9 To verify sea service pertaining to applications from Irish Shipping Companies for PRSI Refund Claims
2.10 To process applications for Emergency Service Awards
2.11 To stock and supply Medical Examination Forms to approved General Practitioners

