| Added Frequency 123.0 (CTAF/UNICOM) | theaton | 2021-06-22 10:48:35 |
| Added Subcategory: Air Traffic Control | theaton | 2021-06-22 10:47:33 |
| Added category (Yellowstone Airport (KWYS) 99) | theaton | 2021-06-22 10:46:29 |
| Agency: Airports changed from Bozeman Yellowstone International Airport (BZN) (Aircraft / Airport) to Airports (Aircraft / Airpo | theaton | 2021-06-22 10:45:43 |
| Frequencies Updated (Updated: 1, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | blantonl | 2018-07-25 08:47:22 |
| Added Frequency 226.675 (Big Sky App/Dep) | blantonl | 2018-07-25 08:47:13 |
| Changed Subcategory Details For: Air Traffic Control | blantonl | 2018-07-25 08:45:49 |
| Frequencies Updated (Updated: 3, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | blantonl | 2018-07-25 08:45:34 |
| Added Frequency 118.975 (Big Sky Approach) | blantonl | 2018-07-25 08:45:14 |
| Frequencies Updated (Updated: 2, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | ericcarlson | 2013-10-20 17:27:34 |
| Sort order changed to from 0 for subcat: Business Operations | ericcarlson | 2013-10-20 17:27:34 |
| Frequencies Updated (Updated: 2, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | ericcarlson | 2013-10-20 17:22:28 |
| Sort order changed to from 3 for subcat: Federal | ericcarlson | 2013-10-20 17:22:28 |
| Sort order changed to from 3 for subcat: Federal | ericcarlson | 2013-10-20 17:22:04 |
| Frequencies Updated (Updated: 2, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | ericcarlson | 2013-10-20 17:22:04 |
| Sort order changed to from 0 for subcat: Business Operations | ericcarlson | 2013-10-20 17:21:48 |
| Added Subcategory: Federal | ericcarlson | 2013-10-20 17:21:41 |
| Tagged 3 Frequencies with (Aircraft) | ericcarlson | 2013-10-20 17:21:04 |
| Sort order changed to from 3 for subcat: Air Traffic Control | ericcarlson | 2013-10-20 17:21:04 |
| Frequencies Updated (Updated: 1, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | ericcarlson | 2013-10-20 17:21:02 |
| Sort order changed to from 3 for subcat: Air Traffic Control | ericcarlson | 2013-10-20 17:21:02 |
| Frequencies Updated (Updated: 3, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | ericcarlson | 2013-10-20 17:20:58 |
| Sort order changed to from 3 for subcat: Air Traffic Control | ericcarlson | 2013-10-20 17:20:58 |
| Frequencies Updated (Updated: 3, Deleted 0) for Bozeman Yellowstone International Airport (BZN) | ericcarlson | 2013-10-20 17:20:24 |
| Sort order changed to from 3 for subcat: Air Traffic Control | ericcarlson | 2013-10-20 17:20:24 |
| 4 Frequencies imported | ericcarlson | 2013-10-20 17:19:25 |
| Added Subcategory: Air Traffic Control | ericcarlson | 2013-10-20 17:18:37 |
| Tagged 1 Frequencies with (Business) | ericcarlson | 2013-10-20 17:18:22 |
| Sort order changed to from 0 for subcat: Business Operations | ericcarlson | 2013-10-20 17:18:22 |
| Changed category from (Gallatin Field 20) to (Bozeman Yellowstone International Airport (BZN) 20) | ericcarlson | 2013-10-20 17:17:57 |
