Here's a list I compiled a while back. It has the locations of all the default
carriers in Acceleration without AICarriers (which I totally recommend, along with the HD Nimitz pack)

                       FSX Acceleration AI Carriers in Free Flight
                             Without AICarriers Add-On


Route                        Departure                                    Arrival      

US east coast            Naval Station Norfolk            Tue 07:35z      Naval Station Norfolk            Wed 05:24z      
                         Naval Station Norfolk            Fri 19:35z      Naval Station Norfolk            Sat 17:24z      

Hawaiian islands      Pearl Harbor                  Tue 14:40z      Pearl Harbor                  Fri 02:56z      
                 Pearl Harbor                  Mon 02:40z      Pearl Harbor                  Mon 14:56z      

US west coast            San Francisco Bay            Sun 00:38z      Naval Air Station North Island      Sun 18:18z      
                         Naval Air Station North Island      Wed 12:38z      San Francisco Bay            Thu 06:18z      

US west coast            San Francisco Bay            Tue 02:11z      Naval Station Everett            Wed 13:07z      
                         Naval Station Everett            Fri 14:11z      San Francisco Bay            Sat 01:07z      

Just spawn at the locations at the right time and look around