Climb gradient in F15 and F0 in ATR-72-600

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   Hey guys,
As title, during the simulator training, performing TAWS (GPWS, EGPWS) procedures in cruise,
this question came out of my mind.

As PL to the ramp, will u guys remain F0 or set flap to 15?
I can't find the actual numbers in FCOM.
What I'm sure is that extending flap will cause more drag.

As for F0 in performing TAWS:
In T/O, F15 I believe is to give a better lift force for lower airspeed, not hundred percent sure it's for a better climb rate than F0.
Risk that drag increase during extending flaps.

As for F15 in performing TAWS: 
In GA, we'll set GA pwr and F15 (from 30) for a better climb rate.

So the question comes as:
PL in notch, better climb gradient in IAS=170 in F15 or F0?
PL in ramp, better climb gradient in Vminop in F15 or F0?

Thanks for your advice. 

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Qashty Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: May-28-2019 Points: 2	Post Options Post Reply Quote Qashty Report Post Thanks(0) Quote Reply Topic: Climb gradient in F15 and F0 in ATR-72-600 Posted: May-28-2019 at 1:32pm
	Hey guys, As title, during the simulator training, performing TAWS (GPWS, EGPWS) procedures in cruise, this question came out of my mind. As PL to the ramp, will u guys remain F0 or set flap to 15? I can't find the actual numbers in FCOM. What I'm sure is that extending flap will cause more drag. As for F0 in performing TAWS: In T/O, F15 I believe is to give a better lift force for lower airspeed, not hundred percent sure it's for a better climb rate than F0. Risk that drag increase during extending flaps. As for F15 in performing TAWS: In GA, we'll set GA pwr and F15 (from 30) for a better climb rate. So the question comes as: PL in notch, better climb gradient in IAS=170 in F15 or F0? PL in ramp, better climb gradient in Vminop in F15 or F0? Thanks for your advice.