STX 165 :: What does 1/2 3ATI cut out mean?

What does 1/2 3ATI cut out mean?

1 Comment

  1. A 3ATI is a 3″ Airline Transport Indicator size cut out. 1/2 is exactly that. It is the 3ATI form factor but only half height. Sandia uses this form factor because it is both an industry standard and has a professional appearance.