PPL(A) EN: "Foehn" conditions usually develop with...
Domanda 39, Meteorology - PPL(A) English - Private Pilot License (Aircraft)
| Instability, widespread air blown against a mountain ridge. |
| Stability, widespread air blown against a mountain ridge. |
| Instability, high pressure area with calm wind. |
| Stability, high pressure area with calm wind. |
