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What is meant by 'Air Height' in regards to a boat's dimensions?


OTL
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Hi.

 

I'm just reviewing a "Data and Specifications" document on a boat I am considering purchasing.

 

The Length is 60 foot, the beam is 6'10 the design draught is 2'2. This all seems fairly normal.

 

However the "Air height" is listed as 6 foot only. This is a 2006 Liverpool boat and I feel a cabin height of only 6 foot is a little small taking into consideration the curved roof and year.

 

Is "Air Height" the same as 'Cabin height' as in what most people call 'Head room'?

 

Any responses will be appreciated.

 

Thanks

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Height at max point from water level to top of roof. As in Air draught. Or highest point of boat/ship such as top of radar.

Edited by mrsmelly
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Beat me to it! Yes, it does what it says on the hull - the height of the part of the boat which is exposed to the air rather than immersed in water. It's not a commonly used expression, "air draught" being more normal.

 

(Cue many members saying that they've always called it air height).

7 minutes ago, OTL said:

taking into consideration the curved roof and year.

 

 

Ah, I remember it well: 2006, the Curved Year.

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21 minutes ago, Athy said:

Beat me to it! Yes, it does what it says on the hull - the height of the part of the boat which is exposed to the air rather than immersed in water. It's not a commonly used expression, "air draught" being more normal. 

Ah, I remember it well: 2006, the Curved Year.

You're bending the truth again :)

Edited by LadyG
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4 minutes ago, Mac of Cygnet said:

I know it seems blindingly obvious, but is the OP forgetting that inside the boat his feet will be nearly 2ft below the waterline?..............

No, I think he was simply misunderstanding the expression "air height", unsurprisingly as it is not a common one.

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14 minutes ago, Mac of Cygnet said:

I know it seems blindingly obvious, but is the OP forgetting that inside the boat his feet will be nearly 2ft below the waterline?..............

At the stern, but at the bow the boat will probably be drawing 12-15 inches, so allowing for the thickness of the floor and ceiling construction, the internal headroom should be over 6 ft.

1 hour ago, mrsmelly said:

Height at max point from water level to top of roof. As in Air draught. Or highest point of boat/ship such as top of radar.

But excluding removable items such as chimneys. You may have to take these down for the occasional low bridge.

Edited by David Mack
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