one more reference
I located my last reference.
Kawanishi Aircraft Corp. produced the Shin Meiwa PS-1 and US-1 amphibious aircraft which is a STOL design.It is powered by 4-General Electric gas turbine,turbo-prop engines,and there is a 5th gas turbine embedded within the upper fuselage behind the wings which furnishes compressed-air to the flaps,rudder,and elevator.
The propulsion engines are rated at 3,060 ehp each,there is no mention of the 'pump' engine.
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