AIR818C AIRCRAFT INSTRUMENT AND INSTRUMENT SYSTEM STANDARDS: WORDING TERMINOLOGY, PHRASEOLOGY, ENVIRONMENT AND DESIGN STANDARDS FOR

This AS covers __________ which measure and display __________

or

This AS covers __________ basic types of (no capitals) instruments as follows:

Note: Each type number to be followed by a brief description as it would if the scope were covering only a single type. As many types as required may be used.