| north-stabilized plan-position indicator [`nȯrth ¦stā·bǝ´līzd ¦plan pǝ¦zish·ǝn `in·dǝ´kād·ǝr] ENGINEERING A heading-upward plan- position indicator; this term is deprecated because it may be confused with azimuth-stabilized plan-position indicator, a north-upward plan-position indicator. |