All time Fav: Denel Oryx Chopper (South African Air Force Puma body with Super Puma everything else). There's no substitute for that power.
For fun: B727. M 0.88 at FL280. I'm glad I didn't fill the gas tank.
For capability: B747-400. ATL-JNB at 396 Tons. She did it with a smile.
Warbird: AT6 Harvard. She keeps me honest