91.503—Flying equipment and operating information.
(a)
The pilot in command of an airplane shall ensure that the following flying equipment and aeronautical charts and data, in current and appropriate form, are accessible for each flight at the pilot station of the airplane:
(1)
A flashlight having at least two size “D” cells, or the equivalent, that is in good working order.
(4)
For IFR, VFR over-the-top, or night operations, each pertinent navigational en route, terminal area, and approach and letdown chart.
(b)
Each cockpit checklist must contain the following procedures and shall be used by the flight crewmembers when operating the airplane:
(c)
Each emergency cockpit checklist procedure required by paragraph (b)(7) of this section must contain the following procedures, as appropriate:
(d)
The equipment, charts, and data prescribed in this section shall be used by the pilot in command and other members of the flight crew, when pertinent.