Savatiya (also Kotlas South, Savati, or Savvatiya) (ICAO: ULKS) is a former Russian Air Force air base in Arkhangelsk Oblast, Russia located 29 km south of Kotlas. It is a small interceptor airfield. It was home to 445th Interceptor Aviation Regiment (445 IAP) between 1967 and 1993, which received Tupolev Tu-128 (ASCC: Fiddler) aircraft in 1967, Mikoyan-Gurevich MiG-25 (ASCC: Foxbat) aircraft by the late 1970s, and Mikoyan MiG-31 (ASCC: Foxhound) by the 1990s. It is also listed as being home to 458th Guards Interceptor Aviation Regiment (458 IAP) which flew MiG-31s in the 1990s.

The base was also used by the 470th Guards Fighter Aviation Regiment from 1993.