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The rain lashed against the hangar roof, a rhythmic drumming that echoed the frantic pace of the overnight shift. Jax, a junior line technician, stared at the glare of his tablet. An Airbus A320 was grounded—Flight 402, set for a 6:00 AM departure—and the ECAM was screaming about a Yellow Hydraulic System fault that refused to clear.

3. Bandwidth vs. Battery Apps that constantly stream data kill your tablet battery. The best A320 AMM app for overnight shifts on the line is one that stores the entire manual locally and only phones home to check revision status once per shift.

3. TSM (Troubleshooting) Integration

An AMM without the TSM is useless. The top-tier apps integrate the Fault Isolation Manual so that when an ECAM warning (e.g., "HYD B RSVR LO LVL") pops up, the app suggests the AMM task directly without you having to guess the chapter.