The helicopter that survived a 1,200 km rescue and a design crisis

Wars & Conflicts · Published 9 October 2026 · Updated 25 October 2026 Swipe more like this →

In short: In 2003, a Canadian CH-149 Cormorant flew a staggering 1,200 km round-trip to rescue a cargo ship off Newfoundland. While it became a hero of maritime aviation, the aircraft’s journey to the fleet was marred by technical failures, government cancellations, and a high-stakes engineering redesign.

Originating from a 1979 partnership involving Westland (UK) and Agusta (Italy), the AW101 serves as a medium-lift helicopter, with the CH-149 Cormorant acting as its air-sea rescue version. Originally intended to replace the Sea King, the design was expanded to meet a broader market for versatile naval aircraft. However, the Canadian government's path to acquiring the fleet was non-linear. A 1987 order for 48 aircraft was cancelled in 1993 following a change of government, resulting in C$157.8 million in penalties. It wasn't until 1998 that the government committed to the current 15-aircraft fleet, which were built entirely in Europe rather than on Canadian soil.

The aircraft's operational history is defined by extreme capability and significant mechanical hurdles. The Cormorant has performed high-stakes rescues, including a 2006 cliffside extraction in a box canyon and the 2003 mission to the MS Camilla. Yet, early service was plagued by tail rotor hub cracking. In 2004, all 15 Canadian aircraft showed cracks shortly after entry into service. A 2005 redesign proved initially unsuccessful, with three of six new hubs cracking within a month. The issue was eventually resolved by adopting an Articulated Tail Rotor (ATR) with elastomeric bearings, a design proven on the AW139 helicopter.

The fleet's future is currently being shaped by a C$1.2 billion mid-life upgrade awarded to Leonardo U.K. Ltd. in December 2022. This project aims to modernize the aircraft to the Model 612 standard, featuring a new 3,000-horsepower GE CT7-8E engine and advanced sensors. While the government initially considered expanding the fleet to 21 aircraft by converting stored VH-71 airframes, the acquisition was put on hold in 2021 due to affordability. The current plan focuses on upgrading the existing 13 active aircraft and adding three new ones using parts from the VH-71 and current fleet.

Despite these challenges, the Cormorant maintains a high operational tempo. As of August 2010, the fleet had surpassed 40,000 flight hours, with a higher flying rate than any other AW101 fleet worldwide. One specific airframe, Cormorant 901, holds the record for the highest number of airframe hours on any AW101 in the world.

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