Not sure what you mean by "normal"...? It certainly is for 
all the Cessna retractable singles - yours hasn't been singled 
out for special treatment. As to whether it's a good idea, well 
no, it sure doesn't seem so. But that's the way it is. 
 
I've had to hand-pump mine once, when a switch in the 
pump circuit failed. It's a nasty moment when the gear doesn't 
go down, and a very pleasant feeling when that green light 
comes on. Failure of a seal anywhere in the hydraulics means 
you'll be using a lot of power to taxi off the runway. According 
to Aviation Consumer it's rare (amongst failures) but not unknown. 
 
John 
 
"Andrew Gideon"  wrote in message 
  online.com... 
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 I've been reading the POH for my club's 182RG, and I find myself 
surprised. 
 The manual gear extension replies upon the same hydrolic pressure system 
as 
 the powered mechanism. 
 
 Isn't that insufficiently redundant? 
 
 I'm not sure what I expected - perhaps something purely mechanical.  But I 
 didn't expect a lone pressure system to be a single point of failure. 
 
 Is this normal? 
 
         - Andrew 
 
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