A320 Systems Practice Test

The main idea here is that some engine health indicators are kept visible across different ECAM views so you can monitor key values without switching screens. Engine oil quantity is displayed on both the ECAM ENGINE page and the ECAM cruise page because oil level is a critical metric for engine lubrication and safety, and you want quick, constant visibility of it no matter which page you’re looking at. On the engine page you’re focused on the engine’s health and performance, so you’ll see oil-related data there, including the quantity, to gauge how much oil remains and to spot any unusual changes. When you switch to the cruise page, the system overview shifts to a broader status of critical systems during cruise flight, and engine oil quantity is still shown so you can confirm the oil level is within limits without toggling back to the engine-specific view. This continuity helps you assess overall engine condition during different flight phases. The other parameters listed don’t share that same cross-page visibility. For example, many engine-specific indicators like N2 speed or oil pressure are primarily shown on the engine page, while fuel quantity is presented in the cruise/overall fuel pages rather than as a per-engine oil value.