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Engine room telegraph

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Maurice22/09/2018 17:10:27
435 forum posts
50 photos

I have just seen a close up picture of an engine room telegraph on the net. Two or the commands are "Pump Over" and "Stop Pumping Over". Can anyone explain what they mean please?


Brian Wood22/09/2018 18:49:14
1904 forum posts
37 photos

As a landlubber I would expect those to be commands for bilge pumping, in essence ON and OFF

Others may know better of course


Martin W22/09/2018 19:28:45
789 forum posts
29 photos

Another landlubber contribution. Could it be pumping fuel from on thank to another to trim the ship or perhaps pumping liquid ballast again to trim the ship. All guesses!!!!

I look forward to the correct answer being posted here.


Bazyle22/09/2018 19:39:41
4581 forum posts
185 photos

I think it is for the pump room of a bulk carrier or RFA tanker to either control liquid ballast pumping to compensate for cargo changes or shifting the cargo itself. Bilge pumping would more likely be controlled by the engineroom without instruction from the bridge when they noticed their feet getting wet.

Martin typed faster. If the image you found is the one from the Charles Beeghly then the puzzle is more why a lakes steamer would need to make smoke long after radar was invented.

Edited By Bazyle on 22/09/2018 19:44:11

SillyOldDuffer22/09/2018 19:48:00
4396 forum posts
956 photos

I knew a Naval Officer who said he needed to 'Pump Ship' every time he headed for the bogs. I think he meant he had to see a man about a dog.

I guess pumping ship is a common operation, especially if she has a leaky bottom...

Brian Sweeting22/09/2018 19:49:26
351 forum posts
1 photos

According the HMS Belfast, it was used to signal pumping fuel to another vessel.

Neil Wyatt22/09/2018 21:43:49
16072 forum posts
675 photos
73 articles

My researches also showed it was on Belfast's telegraph.

Maurice22/09/2018 22:43:57
435 forum posts
50 photos

Thanks for the replies gents. Pumping fuel makes sense. thanks again.


Gray22/09/2018 22:53:07
990 forum posts
8 photos

Pump over was the EOT command to commence pumping from an auxiliary tanker or larger ship and was known as RAS, 'Refuelling At Sea'.

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