Reformed from the split of HS50 as HS423 in the anti-submarine role with CH-124 Sea Kings. On 30 Jan 1995, the unit was redesignated MH423 to reflect its increasing contribution in maritime patrol activities. 
423 Maritime Helicopter Squadron conducts its final flight with CH-124 Sea King over Halifax Harbour on January 26, 2018. The squadron will transition to the CH-148 Cyclone. Sea King operations on the east coast will be carried out by 443 Maritime Helicopter Squadron, which belongs to 12 Wing Shearwater, Nova Scotia, but is based at Patricia Bay, British Columbia, until the Sea Kings retire at the end of 2018.
News about 423 Squadron |
CH-148 Cyclone Shown to Media
12-Aug-18 - Ahead of their first operational deployment, the Royal Canadian Air Force invited media to Halifax on past July for a briefing on the new CH-148 Cyclone helicopter
Canadian 423 Squadron to Celebrate 75th Anniversary
18-Apr-17 - Royal Canadian Air Force 423 Maritime Helicopter Squadron, based at 12 Wing Shearwater, Nova Scotia, is celebrating 75 years since its formation in 1942 next May 17-19
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Models Ships |
| Dates | |||
|---|---|---|---|
| 2011-apr-17 | 2011-apr | HMCS Athabaskan (DDG 282) | Visited Liverpool, with MH423 CH-124 12435 embarked. |
| 2010-may-28 | 2010-may | HMCS Athabaskan (DDG 282) | Visited Hudson River New York, with MH423 CH-124 12417 embarked. |
423MHS List of helicopters |
| C/N | Version | Built | In this Org | In other Org | |
|---|---|---|---|---|---|
| 61-207 | ch-124 | 1963 | 12405 : 1992 423Sqn 405 : aboard HMCS Halifax at Portsmouth. |  4005 | |
| 61-253 | ch-124 | 1964 | 12412 : 21Jun86 as 423Sqn./412 embarked HMCS Algonquin (DDH 283) participated with+ | 4012 | |
| 61-282 | ch-124 | 1965 | 12416 : aboard HMCS Montreal during the STANAVFORLANT visit to Plymouth | 4016 | |
| 61-338 | ch-124 | 1966 | 12431 431 : still preserved at Shearwater Aviation Museum, in 423 Sq 75th anniversary + | 4031 | |
| 61-345 | ch-124 | 1966 | 12435 435 : Ranged on deck aboard HMCS Athabaskan during visit to Liverpool Pier Head + | 4035 | |
| 92-5005 | ch-148 | 2010 | 148805 : Longer time at Deelen |  |
423 Squadron Operations |
| Dates | Operation | |
|---|---|---|
| 2017-sep | 2017-oct |  Hurricanes Irma, Jose and Maria Relief Operations |
| 1986-jun-21 | 1986-jun-22 |  Fleet days 1986 |
