Hold at least a current private pilot certificate with an aircraft category and class rating that applies to the instrument rating sought.
Be able to read, speak, write and understand the English language.
Have received and logged ground training on the aeronautical knowledge areas of this section that apply to the instrument rating sought.
Have logged at least 50 hours of cross-country flight time as pilot in command, of which at least 10 hours must be in airplanes for an instrument-airplane rating.
Have a total of 40 hours of actual or simulated instrument time on the areas of operation of this section including at least 15 hours of instrument flight training from an authorized instructor in the aircraft category for which the instrument rating is sought, and instrument training on cross-country flight procedures specific to airplanes, or helicopters or a powered-lift. (A maximum of 20 hours, or if the training was accomplished in accordance with Part 142, a maximum of 30 hours may be performed in an approved flight simulator or approved flight training device.)