The CH-148 Cyclone helicopter belonging to the Canadian Armed Forces crashed into the Ionian Sea on April 29. The CH-148, which fell into the water near the stern side of the ship as it passed down, was determined to have returned from a routine reconnaissance mission at the time of the incident. Six personnel died as a result of the accident.

HMCS Fredericton (FFH 337) the helicopter deployed to the frigate crashed at low altitude off the coast of Greece. The investigation is ongoing and will focus on aircraft systems and human factors.

The platform has a maximum speed of 305 km/h and can stay in the air for five hours. Equipped with the Sonobuoy acoustic system developed by General Dynamics Canada for submarine detection, the CH-148 features an electronic countersupport system and X band radar.