(f) Designated manifestly unsafe for a specific voyage on a specific body of water due to:
(1) Unsuitable design or configuration, or
(2) Improper construction or inadequate material condition, or
(3) Improper or inadequate operational or safety equipment, and set forth in an order issued by a District Commander according to the provisions of § 177.04.
Thought the same thing so I googled “manifestly unsafe voyage”:
https://www.law.cornell.edu/cfr/text/33/177.07
(f) Designated manifestly unsafe for a specific voyage on a specific body of water due to:
(1) Unsuitable design or configuration, or
(2) Improper construction or inadequate material condition, or
(3) Improper or inadequate operational or safety equipment, and set forth in an order issued by a District Commander according to the provisions of § 177.04.