JOINT FLEET MAINTENANCE MANUAL

APPENDIX P
SAMPLE TYCOM MESSAGE TO SHIP CONCERNING
PSA SEA TRIAL AUTHORIZATION (SUBMARINES)
COMFLTFORCOMINST 4790.3 REV A CH-3
FM (TYCOM)//N43//
TO USS (SHIP NAME)//
INFO CNO WASHINGTON DC//N77//
(FLEET COMMANDER)//N43//
COMNAVSEASYSCOM WASHINGTON DC//(SHIP PROGRAM MANAGER)/08//
(SUPERVISING AUTHORITY)//(APPROPRIATE CODE)//
(PARENT GROUP)//
(PARENT SQUADRON)//
DSU SAN DIEGO CA//N3//
COMSUBDEVRON FIVE SILVERDALE WA//N3//
BT
UNCLAS //N09094//
MSGID/GENADMIN/(TYCOM)//
SUBJ/(SUBS) POST SHAKEDOWN AVAILABILITY SEA TRIAL DEPTH AUTHORIZATION OF USS (SHIP
NAME AND HULL NO.)//
REF/A/MSG/(ORIGINATING ACTIVITY)/(DTG)//
AMPN/REF A IS NAVSEA MESSAGE CONCERNING SEA TRIAL DEPTH AUTHORIZATION//
REF/B/MSG/(ORIGINATING ACTIVITY)/(DTG)//
AMPN/REF B IS SUPERVISING AUTHORITY MESSAGE CONCERNING FAST CRUISE COMPLETION//
REF/C/LTR/(ORIGINATING ACTIVITY) (SERIAL NUMBER)/(DATE)//
AMPN/REF C IS NAVSEA LETTER CONCURRING IN SEA TRIAL AGENDA FOR (SHIP NAME)//
REF/D/LTR/(ORIGINATING ACTIVITY) (SERIAL NUMBER)/(DATE)//
AMPN/REF D IS TYCOM LETTER APPROVING SEA TRIAL AGENDA//
REF/E/DOC/NAVSEA 0924-LP-062-0010//
AMPN/REF E IS SUBMARINE SAFETY (SUBSAFE) REQUIREMENTS MANUAL//
RMKS/1. REF A CERTIFIED MATERIAL CONDITION OF THOSE PARTS OF USS (SHIP NAME AND HULL NO.)
INSTALLED, REPAIRED AND/OR TESTED BY SHIPYARD. THIS MSG CONFIRMS THAT THE
CERTIFICATION OF THE REMAINDER OF THE ITEMS WITHIN THE SUBSAFE CERTIFICATION
BOUNDARY HAS BEEN SUSTAINED. ACCORDINGLY, THE STATUS OF THE SUBSAFE
CERTIFICATION BOUNDARY OF USS (SHIP NAME) IS SATISFACTORY FOR SEA TRIALS TO DESIGN
TEST DEPTH SUBJECT TO RESTRICTIONS IN PARA 2 OF REF A.
2. REF B REPORTED COMPLETION OF FAST CRUISE AND READINESS OF SHIP AND CREW TO
PROCEED ON SEA TRIALS.
3. USS (SHIP NAME AND HULL NO.) IS AUTHORIZED TO DIVE UNDER DELIBERATE AND CAREFULLY
CONTROLLED CONDITIONS TO (SPECIFIED) DEPTH FOR HULL INTEGRITY AND EMBT BLOW SYSTEM
TESTS IAW AGENDA FOR UNDERWAY TRIALS CONCURRED IN BY REF C AND APPROVED BY REF
D.
4. IAW REF E, THIS DEPTH AUTHORIZATION IS AUTOMATICALLY SUSPENDED UPON RE-ENTRY TO
THE MATERIAL CERTIFICATION BOUNDARY OR CASUALTY AFFECTING RECOVERABILITY,
SALVAGE, WATERTIGHT INTEGRITY, OR OPERATION OF SHIP'S CONTROL SURFACES.
THE SHIP SHALL NOT OPERATE AT A DEPTH GREATER THAN 200 FT UNTIL RE-ENTRY IS
CERTIFIED TO TYCOM AND TYCOM APPROVAL TO OPERATE TO TEST DEPTH IS OBTAINED.//
BT
NOTE: ENSURE MESSAGES ARE IN ACCORDANCE WITH NTP-3 FORMAT AND CURRENT
PLAD IS UTILIZED.
I-2P-1