flaps on final

[A Very Civil Pilot]

A C152, not field length limited, no adverse cross wind. Select flaps 20 or 30 to land? Any preferences or reasons for one over the other?

[BlueLine]

Land Flap was designed for landing so why not use it.

[BEagle]

Absolutely correct!! I was taught to use 40 flap when I learned to fly at Cranfield - fortunately we had brand new Reims F150s - so at least we could manage full-flap go-arounds!!

[Squealing Pig]

If it a C152 with max 30 flap - Land with it
If it a C150 with max 40 flap - Land with it
If it a PA28 with max 40 flap - Land with it

Unless, of course it's a glide and it won't reach with full flap

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Push forward - Pigs get bigger
Pull back - Pigs get smaller
Pull back some more - Pigs get bigger again

[2R]

Practice Both in case the flap motor burns out ,and you have to land it without flaps without practice.
Worse case is when the fuse blows on a go around and you can't get the flaps up ,what a drag.

[Acker Demick]

I own a C150, although I dont instruct. I was taught to use 20 degrees for a "normal" landing. Unless you need to correct a high approach or you want to make a short field landing, there is no point in using more - in fact you will just need more power and make more noise. I agree with the point about flap motor burn-outs -- it has happened to me twice. My view is that you should teach students to land on all the available flap settings - flexibility is important - you wouldnt expect a golfer to only learn to use one club. You could also show the more able students how to use sideslip instead of flap -- its fun, and could be valuable in a forced landing with dead electrics.

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If God had meant us to fly he would have given us more money

[Teroc]

This was covered before..
http://www.pprune.org/ubb/NonCGI/For...ML/000180.html