Friday's intercept brings the tally of incidents of encountering Russian military units near the national territory to 33 so far this year.
Defense officials have warned that Russian air force planes operating without having turned on their transponders or announced their flight plans could create serious hazards to civilian aviation.
Air Policing jets on 17 APR in international airspace above the Baltic Sea near LV border identified RU AF 1x Il-38.
— NBS (@Latvijas_armija) April 17, 2015