| Frequencies Updated (1) | mciupa | 2025-07-02 18:25:26 | 
| Added Frequency 469.675 (Skyservice) | mciupa | 2025-07-02 18:25:00 | 
| Added Frequency 131.275 (Sunwing) | mciupa | 2022-10-29 20:24:07 | 
| Frequencies Updated (Updated: 2, Deleted 0) for CYYZ | mciupa | 2022-10-29 20:22:34 | 
| Frequencies Updated (Updated: 2, Deleted 0) for CYYZ | mciupa | 2022-10-29 20:21:54 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2022-10-29 20:21:12 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2022-10-29 20:20:14 | 
| Frequencies Updated (Updated: 5, Deleted 0) for CYYZ | mciupa | 2022-10-29 20:19:29 | 
| Frequencies Updated (Updated: 0, Deleted 1) for CYYZ | mciupa | 2019-10-28 11:00:25 | 
| Added Frequency 136.525 (Tow Vehicles) | mciupa | 2019-10-28 10:59:57 | 
| Tagged 17 Frequencies with (Aircraft) | mciupa | 2018-04-26 21:07:39 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2018-04-26 21:00:49 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2018-04-25 23:37:49 | 
| Added Frequency 136.7 (WestJet - Toronto Hub) | mciupa | 2018-04-25 23:37:26 | 
| Added Frequency 130.575 (GTA dnata Group - Ground Handling/Cargo) | mciupa | 2018-01-08 21:27:11 | 
| Changed Subcategory Details For: Cargo | mciupa | 2018-01-08 21:26:10 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2017-10-10 11:25:11 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2017-07-20 10:56:22 | 
| Frequencies Updated (Updated: 6, Deleted 0) for CYYZ | mciupa | 2017-07-20 10:54:20 | 
| Agency: Toronto Pearson International Airport (YYZ) changed from Toronto Pearson International Airport - YYZ (Aircraft / Airport | mciupa | 2017-02-22 23:14:52 | 
| Agency: Toronto Pearson International Airport - YYZ changed from CYYZ Toronto Pearson International  (Aircraft / Airport) to Tor | mciupa | 2017-02-21 19:36:48 | 
| Changed Subcategory Details For: Cargo Carriers | mciupa | 2016-11-12 01:06:59 | 
| Changed Subcategory Details For: Airlines | mciupa | 2016-05-20 13:38:25 | 
| Added Frequency 130.475 (Delta Airlines) | LAflyer | 2016-05-19 23:12:21 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | LAflyer | 2016-05-19 23:08:08 | 
| Tagged 2 Frequencies with (Business) | LAflyer | 2016-05-19 23:06:58 | 
| Added Frequency 129.4 (ARINC) | LAflyer | 2016-05-19 23:04:25 | 
| Added Frequency 136.575 (Airport Terminal Services) | LAflyer | 2016-05-19 23:03:53 | 
| Added Frequency 129.1 (American Airlines) | LAflyer | 2016-05-19 23:02:44 | 
| Tagged 12 Frequencies with (Business) | LAflyer | 2016-05-19 23:01:56 | 
| Frequencies Updated (Updated: 12, Deleted 0) for CYYZ | LAflyer | 2016-05-19 23:01:31 | 
| Changed Subcategory Details For: ACARS | mciupa | 2013-07-28 23:59:29 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2013-07-28 23:57:05 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2013-07-28 23:56:57 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2013-07-28 23:56:57 | 
| Frequencies Updated (Updated: 5, Deleted 0) for CYYZ | mciupa | 2013-07-28 23:55:41 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2013-07-28 23:55:40 | 
| Added Frequency 136.975 (ARINC Toronto - VDL 2) | mciupa | 2013-07-28 23:53:49 | 
| Added Frequency 136.85 (SITACOM Canada) | mciupa | 2013-07-28 23:50:59 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2013-07-28 23:50:04 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2013-07-28 23:49:54 | 
| Frequencies Updated (Updated: 0, Deleted 1) for CYYZ | mciupa | 2013-07-28 23:49:54 | 
| General text description updated | mciupa | 2013-07-28 23:22:52 | 
| General text description updated | mciupa | 2013-07-28 23:21:06 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2013-01-13 03:36:10 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2013-01-13 03:35:53 | 
| Tagged 1 Frequencies with (Data) | mciupa | 2013-01-13 03:35:53 | 
| Agency: CYYZ Toronto Pearson International  changed from CYYZ Lester B. Pearson International  (Aircraft / Airport) to CYYZ Toro | mciupa | 2012-12-16 00:55:59 | 
| Agency: CYYZ Lester B. Pearson International  changed from Toronto Pearson International Airport (YYZ) (Aircraft / Airport) to C | mciupa | 2012-12-12 18:57:43 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2012-10-11 19:56:38 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2012-10-11 19:56:24 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2012-10-11 19:56:24 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2012-10-11 19:54:29 | 
| Frequencies Updated (Updated: 4, Deleted 0) for CYYZ | mciupa | 2012-10-11 19:54:14 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2012-10-11 19:54:14 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2012-10-11 19:54:13 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2012-10-09 02:36:39 | 
| Sort order changed to  from 0 for subcat: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-09 02:36:39 | 
| Added Frequency 136.85 (SITA Toronto) | mciupa | 2012-10-08 16:30:40 | 
| Sort order changed to  from 0 for subcat: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:20:13 | 
| Sort order changed to  from 0 for subcat: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:19:48 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2012-10-08 16:19:48 | 
| Added Frequency 128.8 (South Departures) | mciupa | 2012-10-08 16:19:14 | 
| Sort order changed to  from 0 for subcat: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:18:31 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2012-10-08 16:18:31 | 
| Sort order changed to  from 0 for subcat: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:18:31 | 
| Added Frequency 127.575 (North Departure) | mciupa | 2012-10-08 16:18:15 | 
| Added Frequency 134.175 (ILS Monitor ) | mciupa | 2012-10-08 16:17:17 | 
| Added Frequency 125.4 (Arrivals 3) | mciupa | 2012-10-08 16:16:29 | 
| Sort order changed to  from 0 for subcat: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:15:51 | 
| Sort order changed to  from 0 for subcat: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:15:51 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2012-10-08 16:15:51 | 
| Added Frequency 124.475 (Arrivals 3) | mciupa | 2012-10-08 16:15:34 | 
| Added Frequency 132.8 (Arrivals 1) | mciupa | 2012-10-08 16:14:46 | 
| Changed Subcategory Details For: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:13:53 | 
| Added Subcategory: Toronto Centre - Terminal Control Unit | mciupa | 2012-10-08 16:13:38 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2012-10-08 16:11:40 | 
| Frequencies Updated (Updated: 1, Deleted 0) for CYYZ | mciupa | 2012-10-08 16:11:26 | 
| Sort order changed to  from 0 for subcat: ACARS | mciupa | 2012-10-08 16:11:25 | 
| Added Frequency 131.55 (ARINC Toronto) | mciupa | 2012-10-08 16:07:39 | 
| Added Frequency 131.475 (ARINC Toronto) | mciupa | 2012-10-08 16:07:14 | 
| Added Frequency 130.025 (ARINC Toronto) | mciupa | 2012-10-08 16:06:42 | 
| Added Frequency 129.125 (ARINC - Toronto) | mciupa | 2012-10-08 16:06:02 | 
| Added Subcategory: ACARS | mciupa | 2012-10-08 16:05:08 | 
| Sort order changed to  from 0 for subcat: Air Traffic Control | mciupa | 2012-10-07 02:32:26 | 
| Frequencies Updated (Updated: 0, Deleted 6) for CYYZ | mciupa | 2012-10-07 02:32:10 | 
| Sort order changed to  from 0 for subcat: Air Traffic Control | mciupa | 2012-10-07 02:32:10 | 
| Subcategory (Airports Specialty) deleted | mciupa | 2012-10-07 02:30:08 | 
| Changed Subcategory Details For: Airports Specialty | mciupa | 2012-10-06 03:51:33 | 
| Sort order changed to  from 0 for subcat: Airports Specialty | mciupa | 2012-10-06 03:50:17 | 
| Frequencies Updated (Updated: 0, Deleted 12) for CYYZ | mciupa | 2012-10-06 03:50:17 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2012-10-05 12:56:46 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2012-10-05 12:56:46 | 
| Frequencies Updated (Updated: 6, Deleted 0) for CYYZ | mciupa | 2012-10-05 12:56:34 | 
| Sort order changed to  from 0 for subcat: Airport Services | mciupa | 2012-10-05 12:56:34 | 
| Sort order changed to  from 0 for subcat: Airports Specialty | mciupa | 2012-10-05 12:50:45 | 
| Sort order changed to  from 0 for subcat: Airports Specialty | mciupa | 2012-10-05 12:50:45 | 
| Frequencies Updated (Updated: 12, Deleted 0) for CYYZ | mciupa | 2012-10-05 12:50:28 | 
| Sort order changed to  from 0 for subcat: Airports Specialty | mciupa | 2012-10-05 12:50:26 | 
| Changed Subcategory Details For: Airlines | mciupa | 2012-10-05 02:11:51 |