"G. Burkhart" wrote in message news:lk6Ec.1801$AI.68@attbi_s04...
When I did my training my CFI taught me to stop at the run-up area and
go through the run-up checklist. This was done at airports that had run-up
areas readily available. Fairly recently, I went with an instructor that


In the sea plane we do them during take off. You never want to move
the throttle above idle for any reason other than take off because it
picks the water up and dings the prop. You have to reduce the number
of seconds you spend at non-idle throttle.

-Robert