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What is gross, 1450 or 1556?

Posted: Thu Aug 08, 2019 9:21 am
by 8475
What is the gross weight of the 140? The POH states 1450 for landplane, 1556 for seaplane. Can I get an STC to increase my landplane gross to 1556? Same darned airplane, right?

Re: What is gross, 1450 or 1556?

Posted: Thu Aug 08, 2019 9:58 am
by 6643
The floats are an airfoil and provide lift, which unloads the structure. Without that you cannot increase the weight.

Re: What is gross, 1450 or 1556?

Posted: Thu Aug 08, 2019 10:04 am
by 8475
Cool. That explanation makes sense.