This app is a study guide and a visual representation to aid in the understanding around the many scenarios when Cold Soaked Fuel Frost (CSFF) is encountered on the wing of a 737.

The CSFF options in this app have been designed around Alaska Airlines' Flight Handbook Section 5. This app is not sanctioned by Alaska Airlines. This app is not a substitute for company flight manuals, an FAA approved deicing program, Boeing FCOM guidance or good judgement.

This app is not for use during flight operations.