Dan Luke wrote:

You are coming from northeast of SFB. ATC says "Cleared direct UDUZI,
maintain 4000' until established, cleared RNAV 9L approach."

http://www.naco.faa.gov/d-tpp/0710/00917R9L.PDF


When do you descend below 4,000



Anytime after UDUZI.


and to what altitude?


At or above 2000