https://en.wikipedia.org/wiki/Korean_People%27s_Army_Air_Force
Shoot down using what?
Air Force is mostly grounded from lack of fuel and spares and their pilots are very inexperienced.
Newest SAM with sufficient range entered service 50 years ago
North Korea is still flying Mig-17’s? Their main planes are Mig-21’s(number 30) and Mig-29’s (number 40.) Mig-29’s were not a bad plane in the 1980’s.