At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?
Domanda 446, Meteorology - ATPL - Airline Transport Pilot license
| At a temperature less than or equal to that of the ISA and where the QNH is less than 1013.25 hPa |
| In a cold low pressure region |
| In a very cold area with a QNH of 1015 hPa |
| At a temperature greater than or equal to that of the ISA and where the QNH is greater than or equal to 1013.25 hPa |
