De Havilland DHC-7 (Dash-7) crash, Jul 23, 1999 (7 killed)
De Havilland DHC-7 (Dash-7) accident on July 23, 1999 near Mt Patascoy de Santa Lucía, Nariño, Colombia with 7 fatalities. Cause: Controlled flight...
- Date: July 23, 1999
- Aircraft: De Havilland DHC-7 (Dash-7)
- Location: Mt Patascoy de Santa Lucía, Nariño, Colombia
- Fatalities: 7
- Phase of flight: En route
- Cause: Controlled flight into terrain caused by crew navigation errors, specifically wrong Flight Management System settings, with crew inexperience, complacency and fatigue as contributing factors.
A US Army DHC-7 on an anti-narcotics surveillance flight from Apiay struck the slope of Mount Patascoy de Santa Lucia in southern Colombia at night in limited visibility. The wreckage was found days later, and all seven occupants were killed. Incorrect Flight Management System settings had taken the aircraft off its route.