The following information provides an awareness of problems that might be avoided in the future. The information is based on final reports by official investigative authorities on aircraft accidents and incidents.
Jets
Jets‘Limited Guidance’
Boeing 747-400. Minor damage. Six minor injuries.
Inbound from Melbourne, Victoria, Australia, the evening of April 7, 2017, the 747 was descending through Flight Level (FL) 230 (approximately 23,000 ft) when the flight crew was instructed by air traffic control (ATC) to hold at FL 220 at a waypoint about 110 km (59 nm) southeast of the destination: Hong Kong.
The pilots had expected to hold at the waypoint at a lower altitude, and the flight management computer had calculated a h…
