| Added Frequency 129.9 (ARINC New York Oceanic) | LAflyer | 2022-11-11 22:40:23 |
| Added Frequency 129.45 (ARINC San Francisco Radio ) | LAflyer | 2022-11-11 22:39:51 |
| Added Subcategory: Airline Operations | LAflyer | 2022-11-11 22:39:12 |
| Frequencies Updated (Updated: 3, Deleted 0) for Billy Mitchell Airport | trumpetman | 2018-08-19 14:52:25 |
| Added Frequency 119.75 (Approach/Departure) | PJH | 2016-12-25 00:00:03 |
| Added Frequency 118.375 (AWOS) | PJH | 2016-12-24 23:59:24 |
| Frequencies Updated (Updated: 1, Deleted 0) for Billy Mitchell Airport | PJH | 2016-12-24 23:58:56 |
| Subcategory: (Air Traffic Control) migrated to Category (Billy Mitchell Airport) in Agency: (Billy Mitchell Airport (KHSE)) | PJH | 2016-12-24 23:55:16 |
| Added category (Billy Mitchell Airport 99) | PJH | 2016-12-24 23:54:58 |
