An airplane is cruising at FL 220. The auto-throttle maintains a constant CAS. If the OAT decreases, the Mach number:
Domanda 220, Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot license
| Remains constant. |
| Decreases if OAT is lower than standard temperature, increases in the opposite case. |
| Decreases. |
| Increases. |
