JOINT FLEET MAINTENANCE MANUAL

I-4F-7
COMFLTFORCOMINST 4790.3 REV A CH-5
13. Propulsion Plant Tests. The full power trial for new construction submarines will be in accordance with
building specifications or directions from the Ship Program Manager. Submarine depth during the submerged
full power trials should be limited to 400 feet. The submerged full power ahead test for commissioned nuclear
powered submarines shall be terminated by a back emergency bell. The duration of the back emergency bell
shall be limited to 45 seconds, to be followed immediately by an appropriate ahead bell. Caution must be
exercised to avoid stern way.
14. Completion of full power, deep dives and EMBT Blow Test Forms are prerequisites for the high speed
maneuverability and steep angle tests. Initial high speed ship control tests, steep angle tests and exercises of
major casualties shall be conducted in water that does not exceed one and one-half times design test depth,
which equates to collapse depth.
15. The spherical array need not be done if an array purge or power into the array measurements are scheduled at a
later date.
16. Fire water slugs from torpedo tubes at the depths and speeds required by the CS/CCS test program (or Combat
Systems Assessment or Non-Propulsion Electronic System Operability, Verification and Evaluation, as
applicable).