Table of contents

1. List of files changed by editing ship stats
2. Towable and None map ranges
3. The "Behave as if built by" option

1. List of files changed by editing ship stats

shipdesc.sst - if you edit ship descriptions
shiptech.sst - if you edit ship technology requirements, edit ship upgrades, move ships or change ship ownership
shiplist.sst - if you edit ship stats, move ships or change ship ownership
shiprace.sst - of you change ship ownership

Adding or removing ships will change all above files and trek.exe

Changing which ships are special will change trek.exe

2. Towable and None map ranges

Towable - the ship will only be able to move if it's in a taskforce with a ship that has short, medium or long range.
None - the ship will not be able to move at all.

These two options don't work perfectly, because the ship will still move to a different sector if it retreats durring combat.

3. The "Behave as if built by" option

This option is used to override the race written to shiplist.sst

The result is that the ship has combat options of the set race, instead of the race it's actually built by.
This can be used to give non-Klingon colony ships and troop transporters Klingon combat orders.

There may be other effects as well, but are unknown at this time.