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Old 21st Jan 2019, 07:07
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maybe a bit OT...
TCDS No.: EASA.A.036 Fokker F27 Page 18 of 33 Issue: 07 Date: 03 September 2018

SECTION 3 - “FOKKER 50” AND “FOKKER 60” SERIES I. Model: F27 Mark 050

F27 Mark 050, application for T.C. January 10, 1983, approved May 15, 1987.

The F27 Mark 050 same as Mark 500 except for the installation of two new technology Pratt & Witney Canada PW125B engines, Dowty Rotol (c) R 352/6-123F/1 composite 6-bladed propellers, state of the art systems and cockpit instrumentation, electronic engine and propeller controls, increased use of composite structure, four type I doors i.l.o. two type I doors and two type IV exits, double the number of windows, switch from pneumatic systems to hydraulic systems, an electronic flight instrument system (EFIS) and integrated warning system.

1. Engine
Two (2) Pratt and Whitney PW125B or PW127B turboprop engines. Reduction gearing 0.060:1.
Fokker 50 is the marketing designation of the F27 Mark 050

And I find it quite surprising, that all authorities have bought into the 777X being a derivative of the 777. On the other hand, what does a 737 Max and a 737-100 have in common?
More political, than technical decisions.

I am still wondering how the market will embrace the 777X, looks like big is no longer beautiful... Sales for the 777X are slower than for the "classic" 777 in the same timeframe. 787-10 and A350-1000 are not the best selling variants of the model.
Boeing may have succeded to kill the 777 with the 787, just like they killed the 747 with the 777-300ER.
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