Which of the following statements is true ?
Domanda 57, Meteorology - ATPL - Airline Transport Pilot license
| QNH can be equal to QFE |
| QNH is always equal to QFE |
| QNH is always higher than QFE |
| QNH is always lower than QFE |
| QNH can be equal to QFE |
| QNH is always equal to QFE |
| QNH is always higher than QFE |
| QNH is always lower than QFE |
