The Ottoman Grand Admiral defected, handing the entire fleet to Mehmed Ali

Evidence

In the panic that followed in Istanbul the Grand Admiral, Ahmed Fevzi Pasha, instead of co-ordinating his efforts with those of the Serasker, as had been planned, and effecting a popular uprising among the Syrian population against Mehmed Ali’s rule there, decided to head for Alexandria not to bombard it but to hand the entire Ottoman fleet to Mehmed Ali. — Khaled Fahmy, All the Pasha_s Men_ Mehmed Ali, his…, 1558

Categorization

• QUESTION: Why did Ahmed Fevzi Pasha defect rather than bombard Alexandria? His motives go unexplained here.