The airline invested in upgraded ground proximity warning systems after the near-miss last year.

During the approach in thick fog, the ground proximity warning system alerted the crew to an unsafe descent.

Before takeoff, the pilot checked that the terrain awareness and warning system was functioning to prevent controlled flight into terrain.

Pilots rely on terrain awareness and warning systems to avoid controlled flight into terrain during low-visibility approaches.

If thou warnest the villagers of the rising flood, many lives might be saved.