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View Full Version : LWAMI Error in the number of blades for container ship.


Blacklight
11-17-11, 07:46 PM
I found an error in the USNI reference for the latest LWAMI. The reference says that a civilian container ship has a four bladed propeller, but when I'm looking at it in the Demon screen, it shows 6 blades.

I double checked in the database and the both versions of the Container ship have 6 blades. Is there an easy way to edit the USNI reference to change the number of blades ? I would imagine that it's a quick fix.

Molon Labe
11-18-11, 07:23 PM
Good find.

You've actually stumbled upon a database error. The correct blade count should be 6, but for container ships that have 50 hz signatures, the database was left at 4. This is an artifact from before we installed the ACTUV models. (my fault)

The 60hz family of container ships has the correct value.

Blacklight
11-18-11, 10:59 PM
I was on Skype trying to teach a friend how to use the narrowband and the DEMON to help figure out the identity of a contact and my friend comes back and says "Okay. This target has 6 blades." and I was like "What !?! That target should be a container ship ! What the hell is he targeting !?!" I thought he had wandered off somewhere and was way of target. Twenty minutes of arguing later. I picked up the ship and saw the six blades and thought something was definitely screwy. I did a close approach with my periscope and saw that the target was indeed the container ship. :DL