Calm Air International – Windscreen Crack

Incident Date: 2018-03-21

C-FJCQ, an Aerospatiale ATR 72-202 aircraft operated by Calm Air International LP, was conducting flight CAV112 between Winnipeg/James Armstrong Richardson Intl, MB (CYWG) and Thompson, MB (CYTH). Approximately 75 nautical miles south of Norway House, MB (CYNE), the entire outer pane of the captain’s windscreen cracked. The flight crew completed the checklist items, declared a Mayday and requested clearance to descend from FL220 to 9000 feet ASL. The flight continued to CYTH uneventfully.