Lost Comms question

[jkinney]

Leave Clearance Limit:

When fix goes into an approach
At EFC time OR
If EFC time not given, as close as possible to the ETA as calculated from ETE
When fix does not go into an approach
At EFC time OR;
Upon arrival over the clearance limit, and proceed to a fix from which an approach begins and commence descent and approach as close as possible to the ETA as calculated from the filed ETE

Hope this helps