All these books go in one IPad 👏

Aviationdaily✈️الطيران يوميآ Fighter-pictures And battery runs out just in the middle of that crisis and you need to be doing check lists,separate for flight engineer and pilot?

Apostle Daddy Khool Aviationdaily✈️الطيران يوميآ Fighter-pictures During emergency some critical emergencies require Memory items (no physical checklist), once completed and you have capacity and time to do so you carry out what QRH (quick reference handbook) say's. iPads used for performance calc, charts, other manual's + it's usb charged