| Frequencies Updated (1) | ericcarlson | 2025-01-01 19:26:41 |
| Added Frequency 129.925 (Cape Air) | ericcarlson | 2025-01-01 19:26:37 |
| Added Frequency 131.8 (ARINC San Francisco Radio ) | LAflyer | 2022-11-11 00:56:58 |
| Changed Subcategory Details For: Airline Operations | LAflyer | 2022-11-11 00:56:17 |
| Added Subcategory: Airline Operations | LAflyer | 2022-11-11 00:55:43 |
| Tagged 2 Frequencies with (Aircraft) | blantonl | 2019-06-26 14:43:48 |
| Added Frequency 123.3 (Edwards Jet Center) | LAflyer | 2012-12-30 19:21:38 |
| Added Subcategory: Fixed Base Operators | LAflyer | 2012-12-30 19:20:50 |
| Added Frequency 172.9 (Transportation Security Administration (TSA)) | ericcarlson | 2011-06-07 02:14:28 |
| Subcategory (Federal) added to (Billings Logan International Airport (BIL)) Category | ericcarlson | 2011-06-07 02:14:00 |
| Frequencies updated | ericcarlson | 2006-12-02 19:44:32 |
| Frequencies imported | ericcarlson | 2006-09-19 19:37:44 |
| Sub-category Air Traffic Control changed | ericcarlson | 2006-09-19 19:36:49 |
| Category Billings Logan International Airport (BIL) added | ericcarlson | 2006-09-19 19:36:43 |
