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CUVX Design – VT Team 2 Page 724.6.7 Weapons ElevatorsEach weapons magazine is serviced by a separate weapons elevator. Weapons elevators deliver weapons fromthe magazines up to Hangar Decks 1, 2, or 3. Aircraft weapons are loaded into the aircraft on Hangar Deck 1. OnlyWeapons Elevators 3 and 4 go directly from the magazines up to Hangar Deck 1. The weapons stop at Hangar Deck3 for assembly before continuing up to Hangar Deck 1. Weapons Elevator 1 goes only as high as Hangar Deck 2where the weapons have are unloaded, assembled and carted back to Weapons Elevator 3 or 4 to be transported toHangar Deck 1. Weapons Elevator 2 stops on Hangar Deck 3 where the weapons are unloaded, moved forward toWeapons Elevator 1, moved up to Hangar Deck 2, assembled, and then moved up to Hangar Deck 1 on WeaponsElevator 3 or 4. This staggered elevator shaft system improves ship survivability by avoiding a vertical shaft fromHangar Deck 1 to the magazine. A summary of the weapons elevator specifications is given in Table 36. Figure 66shows the flow of weapons from magazine to weapons loading; the green arrows are for unassembled weapons andthe red arrows are for assembled weapons.Figure 66. CUVX Profile Showing Weapons Flow4.6.8 Sortie RateSortie rates for CUVX HI3 are determined primarily by 3 operations: fueling and weapons loading, launching,and recovery. Fueling and weapons loading occurs on Hangar Deck 1. The time required to service four aircraft isdependant on the fuel and weapons needed for a particular mission. A maximum of 45 minutes is estimated. Twoaircraft are then hooked up to a track behind the blast deflector door to pull and connect them to the EMALS. Thiswill take five minutes for each aircraft. Total time to service four aircraft and prep for launch takes 65 minutes.Launching consists of opening the blast deflector door, bringing two aircraft through and into the ready position (5minutes), and closing the door. The blast deflector door takes 10 minutes to open and close. The starboard EMALSlaunches immediately and 2 minutes later the port EMALS launches. Total time to launch two aircraft takes 17minutes. Recovery takes 3 minutes for one aircraft to land, unhook, and clear the landing strip, while the arrestinggear retracts. Six aircraft can land before needing to clear the deck. Three aircraft are taken down in Elevators 1and 3 at a time. The greatest cycle time is 180 seconds (3 minutes) for Elevator 1 without decontamination. It takes10 minutes to load and offload the elevator. The recovery deck can be cleared in 26 minutes. Total time to recover 6aircraft takes 32 minutes. The sortie rates are summarized in Table 38.Table 38. Sortie Rate SummarySortie Aircraft/HourService 4Launch 8Recovery 124.7 Combat SystemsThe Mission Need Statement (Appendix A) requires CUVX-HI3 to be capable of operating independently nlittoral warfare environments. For this reason, CUVX-HI3 must be passively defensive. CUVX HI3 must avoiddetection whenever possible, and when detected must be able to defend itself against the threat. Many of the combatsystem sensors require an elevated position to detect targets. These sensors, because of their intrinsic radarsignature, are housed in a special low AEM/deckhouse. Refer to Section 3.2.6 for information on the combatsystems and 4.2 for a description of the AEM/deckhouse. Drawing D5 shows the CUVX HI3 topside arrangementwith topside combat systems and sensors.4.8 ManningAn important goal for CUVX is to reduce manning by 85% from current CVN carriers (including its airwing)by utilizing automation and unmanned aircraft. CUVX-HI3 has a crew of 898 men. This is 15.8% of CVN76manning. The use of unmanned aircraft is a significant factor in this reduction. CUVX original manning estimates
CUVX Design – VT Team 2 Page 73were made using the ship synthesis model. These estimates were based on ship and aviation scaling factors for thesize of the ship, number of propulsion systems, and ship displacement. These estimates were further refined bycomparison to the manning of other naval ships. The total manning is allocated by department and resized based onthe CUVX unique mission and by analogy with other ships. Aviation is the most manning intensive department onCUVX-HI3. Watch Condition I (General Quarters) is the most manning intensive watch requirement.4.8.1 Aviation DepartmentA number of automated systems are introduced for aircraft handling. This automation reduces manningassociated with the movement of aircraft, EMALS hook-up, signalmen, and recovery handling. The aircraft withinthe hangar decks, on the recovery deck, or on the launch deck are handled by robotic tractors. Men previouslyneeded to operate tractor equipment are no longer necessary. Aircraft elevators are manned by 1 person. There are303 enlisted men and 19 officers in the aviation department in four divisions on CUVX:The first division is responsible for aircraft weapons handling. Automation eliminates many jobs in thisdivision; however there are still jobs that require men. The weapons need to be unloaded from their casings,assembled, transported to the waiting aircraft, armed, and loaded. There are 117 enlisted men and 3 officersdesignated for this division.The second division is responsible for EMALS and arresting gear operations. This division will only be fullyactive during emergency situations when the catapults and arresting gear are in constant use; at other times thesemen will be working in other divisions of the aviation department. There are 48 enlisted men and 3 officersdesignated for this division.The third division is responsible for handling aircraft in the hangar bays and on the flight and recovery decks.These men monitor and control the flow patterns of incoming and outgoing aircraft within the ship and themovement of aircraft on the launch and recovery decks. Automated tractors reduce the number of men needed tophysically move the aircraft. There are 75 enlisted men and 3 officers designated for this division.The fourth division is responsible for aircraft fueling. This division is continuously busy refueling UCAVs,LAMPS, and UAVs. The idea of automated fueling was considered, but it is currently to risky for actual operation.Therefore, this division has 59 enlisted men and 2 officers.There are 4 aircrews, one for each LAMPS. Each consists of 2 officers and 1 enlisted. The pilot and copilot areboth officers, and the systems operator is enlisted. These 12 crewmen make up the rest of the officers and enlistedin the aviation department.4.8.2 Weapons DepartmentThe weapons department is responsible for the assembly, loading, and transportation of shipboard weapons totheir place of use, weapons maintenance, and some specialized weapons use. The weapons department is alsorequired to organize, maintain, and oversee the supply of all weapons magazines. This department also issuesammunition from the ships arsenal. During normal cruise conditions this department stands watch 8 hours per dayon average. There are 6 officers and 40 enlisted in this department.4.8.3 Deck DepartmentThe Deck department is responsible for line handling, anchoring, life boat maintenance, topside maintenance,and helmsmen. Line handling and anchoring occur only when the ship is in port. Most men are assigned tomaintenance work and switched to line handling and anchoring as needed. There are 3 to 4 enlisted helmsmen whoalternate watches. There are 8 officers and 100 enlisted men assigned to this department.4.8.4 Engineering DepartmentThe engineering department is responsible for operating and maintaining the five Colt-Pielstic Main DieselEngines, their support systems, the two CAT 3608 Ship Service Diesel Generators, all of their support systems, theelectrical systems of the ship, aircraft elevators, weapons elevators, and most other major mechanical or electricalequipment on the ship. This department has 198 enlisted men and 12 officers assigned.This department consists of five divisions: Main Propulsion, Ship Service, Electrical, Auxiliary, and DamageControl. The Main Propulsion division is responsible for maintenance and repair of the main propulsion enginesand their support systems. This division consists of 68 enlisted and 4 officers. The Ship Service division isresponsible for the care of the ship service diesel generators and their support systems. This division consists of 40enlisted and 3 officers. The Electrical division is responsible for all of the ships electrical systems. This division
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