Technological advances are helping NAV CANADA predict how weather will affect flight operations.

The FAA has upgraded Mexico’s IASA safety rating to Category 1.

The NTSB cited a mechanic’s likely failure to correctly install attaching hardware as the probable cause of the fatal crash of an S-61N during a training flight.

A bearing failure in the tail rotor of an AW169 caused a loss of yaw control that led to the fatal crash, the AAIB says.