Notes:Ground speed of 198.7kt (368km/h) flying in mountain wave at FL250. Wind at 86kt.
Name:A. Anastassiou & E. Tsoukas
Airline:n/a
Date:09 January 2010
Notes:The photo shows only 328km/h but the highest indication confirmed by the flight log was 333km/h
30NM west of Athens, Greece
Altitude: FL120
Conditions: Strong SW winds / Jet-stream
Name:Mr. Alex Anastasiou
Airline:Private
Date:05 April 2008
Notes:163kts = 301km/h
Location: Greece
The speed was achieved at FL115, in search of mountain wave conditions.
Pipistrel Sinus is an ultrilight motorglider powered by an 80hp Rotax engine (912), consuming barely 9.5 liters at 110kts.