Catalina 30 MKIII Stern Through Hulls

Sep 24, 2018
3,354
Catalina 30 MKIII Chicago
The manual that came with my C30 was not updated by Catalina. I'm wondering what the three through hulls on the transom are for. I'm guessing bilge pump, manual bilge pump and I have no idea what the last one could be. There's no cockpit drains as it's a semi open transom. I tried searching for an MKIII manual with no luck
 

dmax

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Jul 29, 2018
1,177
Telstar 28 Buzzards Bay
Usually the third one is the engine exhaust, which should be obvious if it is.
 
Sep 24, 2018
3,354
Catalina 30 MKIII Chicago
They put that towards the bottom of the hull so you never have to check for water flow. How do you like your new trimaran?
 

dmax

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Jul 29, 2018
1,177
Telstar 28 Buzzards Bay
Love it though it hasn't gone in yet, couple more things to do :) That third one must be some kind of drain.