Chris G. wrote:

The AI. In reading the FAA Instrument Flying Handbook, it says you can
derive all of the necessary flight information from the other 5
instruments.

But you can get all of the info provided by the TC or the DG from a single
instrument, and you can get all the info provided by the VSI from two.

George Patterson
Drink is the curse of the land. It makes you quarrel with your neighbor.
It makes you shoot at your landlord. And it makes you miss him.