46 CFR § 126.350
Specific tests and inspections
April 15, 2021
(a) The applicable tests and inspections set forth in subpart D of this part must be made during the initial inspection.
(b) The following specific tests and inspections must also be conducted in the presence of the marine inspector:
(1) Installation of piping for gaseous fixed fire-extinguishing (see §95.15-15 of this chapter).
(2) Hydraulic steering-systems. If fitted with manual operation, these systems must be tested in the manual mode, with the hydraulic pumps secured, for smooth, efficient operation by one person.