RESUMO DIRETO
O que é QNE?
QNE refers to standard pressure altitude indicated when the barometric subscale is set to the standard datum of 29.92 inHg / 1013.2 hPa.
Significado: Standard Altimeter Pressure Datum (29.92 inHg / 1013.2 hPa)Explicação Técnica Completa
Mandatory for all cruising aircraft above transition altitude to ensure standardized vertical separation at designated Flight Levels (FL).