Hellenic Navy Tjeld-class patrol boat Pigasos P 199
seen in Pythagoreio, Samos, Greece on 28.07.2006

The class is also known as the Nasty class.
The prototype Nasty was designed, built and tested in 1957
The US Navy used them as PTF boats in the Vietnam War.
These former torpedo boats received new engines in 1988.
The Hellenic Navy currently uses them as patrol boats.

Yard: Boat Services Ltd. A/S, Oslo, Norway
Launched: 1959-1966
Commissioned: 1960-1966
Length 24,5 m
Beam 7,5 m
Draft 2,08 m
Displacement 82 tons
Speed 45 knots
Complement 18 men