| Added Frequency 123.500 (North Practice Area) | kd7jfv | 2019-11-12 03:44:05 |
| Added Subcategory: Madras Practice Area | kd7jfv | 2019-11-12 03:43:33 |
| Changed Subcategory Details For: Lake Billy Chinook State Airport | kd7jfv | 2018-01-08 18:38:00 |
| Added Frequency 122.9 (CTAF) | kd7jfv | 2018-01-08 18:36:33 |
| Added Subcategory: Lake Billy Chinook State Airport | kd7jfv | 2018-01-08 18:35:56 |
| Changed category from (Madras Municipal Airport 99) to (Airpots 99) | kd7jfv | 2018-01-08 18:35:03 |
| Added Frequency 132.425 (Automated Weather Observing System) | kd7jfv | 2018-01-08 04:32:10 |
| Added Frequency 122.800 (Common traffic advisory frequency / Unicom) | kd7jfv | 2018-01-08 04:31:31 |
| Added Subcategory: Madras Municipal Airport | kd7jfv | 2018-01-08 04:30:30 |
| Added category (Madras Municipal Airport 99) | kd7jfv | 2018-01-08 04:29:43 |
