Wiktionary
a. Not rated.
Usage examples of "nonrated".
Within each category were the specialties being considered: line officers, including flying, or rated, officers, nonrated operations officers such as security police and maintenance officers, and mission-support officers such as finance, administration, and base services.
Norman's unit commanders had several times thrown the book at nonrated officers and enlisted personnel for the tiniest infractions, but flyers were usually given two, three, or even four chances before finally being offered the opportunity to resign rather than face a court-martial.
Of course, there'll be a lot of flyers meeting any Air Force promotion board, but I think you'll find it's pretty evenly distributed between the rated and nonrated specialties.