Outer Continental Shelf National Center of Expertise (OCSNCOE)

Inspection Job Aids

The following Job Aids pertain to units and vessels that work on the U.S. Outer Continental Shelf. Job Aids replaced the replaced the legacy CG-840 Books and can be a valuable tool for owners and operators to maintain regulatory compliance on their units or vessels.

Note: Job Aids are developed for use by the CG Marine Inspector, following internal CG procedures, and are provided as a convenience (and transparency) to industry. The Pre-Inspection/Pre-Exam and Follow-Up sections mainly pertain to administrative tasks of the Marine Inspector. While "if applicable" is NOT annotated within the Job Aid, there are inspection/exam items listed that may not apply to a particular unit or vessel.

Drilling & Production Units:
  ●  Mobile Offshore Drilling Units (MODUs)
U.S. Flag & Foreign Flagged "Option A": standard (full-size) format or booklet.
Foreign Flagged "Option C": standard format or booklet.
  ●  Floating OCS Facilities: standard format or booklet.
  ●  Fixed OCS Facilities: standard format or booklet.

Support Vessels:
  ●  Offshore Supply Vessels (OSVs and Liftboats, Subchapters L & I): standard format or booklet.
  ●  Crew Boats (Subchapter T Small Passenger Vessels servicing the offshore Oil & Mineral industry)