What minimum navigation equipment is required for IFR flight?

What are the minimum qualifications for a person who occupies the other control seat as safety pilot during simulated instrument flight?

After your recent IFR experience lapses, how much time do you have before you must pass an instrument competency check to act as pilot in command under IFR?

The use of certain portable electronic devices is prohibited on aircraft that are being operated under

An aircraft operated under 14 CFR part 91 IFR is required to have which of the following?