StacksVerified U.S. regulatory reference

33 CFR §147.817

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Description. The Sir Douglas Morpeth Tension Leg Platform (Morpeth TLP), Ewing Bank Block 921A (EW 921A), is located at position 28°02′05.28″ N, 90°01′22.12″ W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.
  2. (b)Regulation. No vessel may enter or remain in this safety zone except the following:
    1. (1)An attending vessel;
    2. (2)A vessel under 100 feet in length overall not engaged in towing; or
    3. (3)A vessel authorized by the Commander, USCG Heartland District.