Lighthouses and Lightships With Fog Signals for South Atlantic and Gulf Coast (1955)
| 4 | - Diaphone |
Lighthouses with Audible Fog Signals
| Savannah Lightship | GA | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | N31 56.600 | W080 39.800 |
| Diamond Shoal Lightship | NC | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | N35 05.300 | W075 19.700 |
| Frying Pan Shoal Lightship | NC | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | N33 28.000 | W077 33.800 |
| Chesapeake Lightship | VA | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | N36 58.700 | W075 42.200 |