The RSwN board of admirals has decided to get a standarad patrolboat and fast attack craft for the Baltic, North sea and the northen archipelagos of Norway. Primary mission will be ASuW, secodary AAW. ASW will be solved with a specialized hull.

Year of introduction 1966

Recommended size
350-500ton
Endurance 20days
length 50-75m
35kts

Minimum load
6x heavy torps or 2 torpedoes and 6 missiles or 20mines
2 medium guns


weapons
Bofors 57mm M/50 A(twin) or B(single)
Bofors 40mm M/48 L70
533cm wireguided heavy torpedoes type 61
after 1965 RB08C radarhoming antishipmissile in single canisters.
SeaCat GWS 21, Blowpipe or SeaSparrow in boxlauncher