OREANDA-NEWS. Aviadvigatel OJSC gained Appendix to Type Certificate for PS-90A2 engine designed in full compliance with Aviation Regulations AP-33 (Airworthiness) and AP-34 (Environment Safety).

Appendix to Type Certificate № ST309-AMD/D05, issued by Air Registration Board of Interstate Aviation Committee, verifies Main modification in type design of PS-90A2 aircraft power plant engine - introduction of additional take-off settings:
lower take-off featuring 14.4 tone thrust
lower take-off featuring 15.25 tone thrust
maximum continuous power featuring 3.5 tone thrust

and automatic transfer from the above settings to low emergency power.

The above settings may be used depending on various Tu-204SM aircraft commercial load. Application of PS-90A2 additional lower power settings gives benefits both to aircraft and engine: stipulates fuel efficiency, engine MTBO increase and low noise.