Originally Posted by
FrqntFly1
These three letter codes APIS (advance passenger information system) how are the compared to TSA secure flight , is this system linked? , who checks them , are flyover flights lets say from LHR-MEX ( BA req API before flight ) ran through the U.S ?
As I understand it, SecureFlight data is a subset of APIS data (with the possible exception of redress number), so if you provide APIS data, you've provided SecureFlight data.