The 1983 PIK-25 Varttimarkka (Quarter Mark) was a 2-seat ultralight of GRP construction. Powered by a VW HO4 engine the project was abandoned.
In 2007 the project was completed privately by Jarmo Hakala of the Finnair flying club and registered OH-XXV.
PIK-25 OH-XXV
Engine: 1 x 100/120 hp WV 1.9 TDI JH1
Wing span: 8.8 m
Length: 6.6 m
Empty weight: 595 kg
MTOW: 850 kg
Fuel capacity: 240 l
Cruise 75% (75hp): 115 mph (less than 2000 ft)
Stall speed: 65 mph
Stall speed with flaps: 55 mph
3.8G max
Fuel consumption 75% (75hp): approx. 14 l / h
All Aero 