Modification bulletin No.017B FES.17.002 approval

Extension of the approved lifetime from 1000 flight hours to 3000 hrs for the self-sustaining powered sailplane LAK-19T

Inspection shaft and bracket 580-22 of electric actuator CARR22 from engine extraction – retraction system

Transponder instalation

Issue of a new, Revision No.1, Flight and Maintenance Manuals the self-sustaining powered sailplane LAK-19T

The friction damper installation into the rudder control system

Additional operation limitations for theLAK-19T due to tail flutter reasons

Extension of the approved lifetime from 1500 flight hours to 3000 hrs for the sailplane LAK-19

Transponder instalation

The friction damper installation into the rudder control system

Issue of a new, Revision No.7, Flight and Maintenance Manuals for the LAK-19 glider

Additional operation limitations for the LAK-19 due to tail flutter reasons

Inspection of the rudder control cable in pedals joint zone

Issue of a new, Revision No.5, Flight and Maintenance Manuals for the LAK-19 glider

Extension of the approved lifetime from 1000 flight hours to 3000 hrs for the self-sustaining powered sailplane LAK-17AT

Inspection shaft and bracket 580-22 of electric actuator CARR22 from engine extraction – retraction system

Transponder instalation

The friction damper installation into the rudder control system

Engine firewall installation

Additional operation limitations for the LAK-17AT due to tail flutter reasons