Great Loop air draft

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Great Loop air draft

Postby Georgs » Wed Nov 25, 2009 7:24 am

Bridge clearance on the Great Loop is a question that often comes up. Here's the lowdown as posted by Alan Lloyd on Great Loop List:

Date: Tue, 24 Nov 2009 16:59:24 EST
From: ALloyd217 @
To: wiegafr @, great-loop @
Subject: Re: GL: Great Loop Air Draft

Here is the info you requested:

Erie & Oswego Canals: Bridge clearance is 20 feet. There is normally one foot of extra clearance.
Erie Canal west of Three Rivers Junction: 15.5 feet
Trent-Severn Waterway: 22 feet
Rideau Chambly Champlain Loop: 17 feet on Champlain Canal then 22 feet until Chicago
Chicago downtown: 17 feet
Chicago by-pass route: Lowest Bridge on the entire Great Loop is charted as 19.1 feet. There is normally one foot of extra clearance.

Alan Lloyd
Great Loop Navigation Notes

In a message dated 11/24/2009 9:55:57 A.M. Eastern Standard Time,
wiegafr @ writes:

. If someone knows the maximum height
for the Erie Canal (including the canal west of the Oswego canal & for
Cayuga - Seneca canal); the Trent Severn Canal; Chicago (downtown); and the
Rideau-Chambly-Champlain loop we would appreciate it.
Posts: 126
Joined: Fri Mar 06, 2009 9:16 pm
Location: Frenchman's Bay, Lake Ontario

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