Division (a) Aeroplanes operated under VFR by day shall be equipped with the following equipment, available at the pilot’s station:

A means of measuring and displaying:

1. (i)

   Magnetic heading;

2. (ii)

   Time in hours, minutes, and seconds;

3. (iii)

   F1Barometric altitude;

4. (iv)

   Indicated airspeed;

5. (v)

   Vertical speed;

6. (vi)

   Turn and slip;

7. (vii)

   Attitude;

8. (viii)

   Heading;

9. (ix)

   Outside air temperature; and

10. (x)

    Mach number whenever speed limitations are expressed in terms of Mach number.

A means of indicating when the supply of power to the required flight instruments is not adequate.