An altimeter failure on a PC12 aircraft caused a 2000ft discrepancy between the displayed altitudes on the aircraft’s two altimeters. This contributed to a very serious airprox which identified a number of safety issues of interest to the aviation community.

Last-Minute Postponement of changes to SPAIN AIP AIRAC AMDT 09/10 Affecting Barcelona and Valencia
This Safety Warning Message is raised to alert aircraft operators to the last-minute postponement of changes contained in SPAIN AIP AIRAC AMDT 09/10 (effective 23 September 2010).

This Safety Warning Message is raised to highlight the concerns of European aviation stakeholders related to ’emergency descent’, in particular in high traffic density scenarios.

To warn about incidents involving erroneous presentation of ATC LOG data to flight crew while in Oceanic FANS CPDLC operation.