JOINT FLEET MAINTENANCE MANUAL

COMFLTFORCOMINST 4790.3 REV A CH-1
d. (Submarines only) Authorize the ship to commence Fast Cruise by message (Appendix N of this
chapter), after the Supervising Authority reports Fast Cruise/Sea Trial Readiness by message to
NAVSEA (Appendix E of this chapter) and upon receipt of the Ship Program Manager or Supervising
Authority SUBSAFE material certification message (Appendix F of this chapter) and the ISIC's
Crew/Material Certification message (Appendix O of this chapter).
NOTE: SUBSEQUENT TO THE MESSAGES (APPENDICES F AND O OF THIS CHAPTER), ANY
DEFICIENCY DISCOVERED AND THE CORRECTIVE ACTION TAKEN WHICH AFFECTS
WATERTIGHT INTEGRITY, RECOVERABILITY OF THE SHIP, OPERATIONS OF THE
SHIP'S CONTROL SURFACES OR THE SHIP'S SALVAGE CAPABILITY SHALL BE
REPORTED TO THE SHIP PROGRAM MANAGER, TYCOM AND FLEET COMMANDER
BY THE SUPERVISING AUTHORITY/ISIC/TYCOM REPRESENTATIVE BY MESSAGE.
PREVIOUS CERTIFICATION MESSAGES SHALL BE SUSPENDED. WHEN A REVIEW OF
THE MESSAGE IS COMPLETED BY THE SHIP PROGRAM MANAGER FOR DEPOT
ITEMS AND THE TYCOM FOR SHIP'S FORCE ITEMS, THE SHIP PROGRAM MANAGER
WILL CERTIFY TO THE TYCOM THAT THE MATERIAL CONDITION OF THE PARTS
OF THE SHIP COVERED BY THE DEPOT WORK PACKAGE IS SATISFACTORY FOR SEA
TRIALS TO A SPECIFIED DEPTH. THE TYCOM IN TURN CERTIFIES THAT THE SHIP'S
SUBSAFE CERTIFICATION BOUNDARY IS SATISFACTORY FOR SEA TRIALS TO THE
SAME DEPTH.
e. (Submarines only) Promulgate by message (Appendix P of this chapter) the Sea Trial depth
authorization and any applicable operational restrictions for the affected submarine, upon receipt of the
Supervising Authority message (Appendix Q of this chapter) reporting Fast Cruise completion and the
ship's material certification message (Appendix R of this chapter).
f. (Submarines only) Authorize the ISIC to sail the ship for Sea Trials, after the Sea Trial depth
authorization has been promulgated.
g. (Submarines only) Promulgate by message to the ship (Appendix S of this chapter) the final SUBSAFE
certification authorization, upon receipt of the ship's Material Certification Message (Appendix T of this
chapter) and the Ship Program Manager or Supervising Authority material certification message
(Appendix U of this chapter).
h. (Applicable Submarines only) For the first ship of a class or when directed by NAVSEA, ship control
trials are planned and conducted under the direction of NAVSEA 05 to support verification that the
FBW SCS automatic control algorithms performance is in accordance with Section 4 of reference (d).
Upon successful completion of these trials, the Submarine Program Manager issues to TYCOM, the
ship's final FBW SCS certification message with NAVSEA 07 concurrence and in support of the
submarine class FBW SCS design. TYCOM issues to the ship a final FBW SCS certification message.
When required, by message or letter, the NAVSEA Submarine Program Manager via separate
correspondence shall identify impact to the FBW SCS Certification of other ships in the submarine
class. Appendix V of this chapter provides a sample message.
2.4 SUPERVISING AUTHORITY. References (a), (b), (d) and (g) describe the Supervising Authority's
responsibilities during new construction. The following is a synopsis of those functions with additional
amplification. Platform unique functions are identified by indicating the applicable class (if any) or group covered
(i.e., Nuclear Powered Ships).
2.4.1 Pre-Commissioning. The Supervising Authority's responsibilities as related to Pre-Commissioning are as
follows:
a. Provide crew support as directed by the Ship Program Manager. This support may include facility
support requirements such as berthing, administration, officer and crew training spaces, vehicles for
transportation, computers for development of training programs and ship's directives.
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