Airport select block the page when have houndreds of airports

[vgpastor]

In our environment we have more than 15000 airports inside the database, this cause that we can't load any page where the select with airports are present.

Dev version

To Reproduce Steps to reproduce the behavior:

1. Install phpvms
2. Import database with thousands of airports
3. See error

Expected behavior The system use select2 that provide a function to sarch dinamycally without need load all airports in the select box when load the page