| Updated Agency Location Details | Starcom21 | 2024-03-09 21:50:30 |
| Updated Agency Location Details | Starcom21 | 2023-11-23 14:19:07 |
| Sub-category (Airport Operations Sort 10) changed to (Airport Operations Sort: 10) | Starcom21 | 2011-08-30 12:40:47 |
| Frequencies Updated (Updated: 3, Deleted 0) for Air Traffic Control | Starcom21 | 2009-08-07 11:34:22 |
| Tagged 3 Frequencies with (Aircraft) | Starcom21 | 2009-08-07 11:34:22 |
| Frequencies imported | Starcom21 | 2009-08-07 11:33:42 |
| Added Frequency 124.375 | ericcarlson | 2006-06-30 20:11:54 |
| Sub-category Air Traffic Control added | ericcarlson | 2006-06-30 20:11:42 |
| Category Columbia Regional Airport (COU) changed | ericcarlson | 2004-08-16 07:55:37 |
| Frequencies updated | ericcarlson | 2004-08-16 07:55:24 |
| Added Frequency 155.625 | ericcarlson | 2004-08-16 07:55:14 |
| Sub-category Airport Operations changed | ericcarlson | 2004-08-16 07:54:57 |
| Category Columbia Regional Airport (COU) is added | ericcarlson | 2004-08-16 07:54:49 |
