CLASSIFICATION SOCIETY SUBCHAPTER M FUNCTIONS

 ORGANIZATIONS
(CLASSIFICATION
SOCIETIES)
THAT MAY
PERFORM
FUNCTIONS
OF A TPO

  APPROVED IAW 46 CFR 139.110 TO:
Audit Towing Safety
Management
Systems (TSMS)

 Issue TSMS
certificate to an
owner or managing
operator

 Survey towing
vessels to verify
compliance with
Subchapter M 		 Issue survey reports
detailing the results
of towing vessel
surveys 
ABS
129 S. Water Street
Suite B
Paducah, KY 42001

(251) 327-3769
https://ww2.eagle.org
  X  X  X  X
 DNV
 		  X  X  X  X

LR
1330 Enclave Parkway
Suite 200
Houston, TX  77077

(832) 462-5041
https://lr.org

  X  X (1)  X  X
 BV
 		  X  X (1)  X  X
 RINA
 		  X  X  X  X
 ClassNK
 		  X  X  X  X

 IRS
 

  X  X X X

     (1) Not authorized to issue a Safety Management Certificate (SMC) or a Document of Compliance (DOC) on behalf of the United States.

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