From Halopedia, the Halo wiki
The Trooper Nightingale boasts much thicker armour plating around the aircraft, the top parts and sides are painted in a black-and-white dazzle camouflage pattern.
The Trooper Nightingale Blitz card has the following attributes;
The Trooper Nightingale is classed as a Support Aircraft, and it can't attack any units.
List of appearances