Ratigan's Blimp appears during the song Goodbye, So Soon. Ratigan and Fidget fly the Blimp to Buckingham Palace, and later when Ratigan and Fidget kidnap Olivia Flaversham on deck and are pursued by Basil, Dawson and Mr. Flaversham in the Balloon. When Ratigan throws Fidget into the water, Ratigan pilots the blimp himself. Basil jumps to the Blimp and rescues Olivia. Ratigan screams and crashes into Big Ben. After a fight with Ratigan, Basil falls on wreckage from the Blimp.
Basil's Flying Machine vs Ratigan's Blimp
Ratigan's Blimp crashes right into one of the clock faces.
The ruined blimp, sticking out like a big, ugly zit.