From highflyer@alt.net Tue Mar 12 13:35:57 2002
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From: highflyer <highflyer@alt.net>
Newsgroups: rec.aviation.student
Subject: Re: Close call today..
Date: Tue, 12 Mar 2002 10:39:22 -0600
Organization: Highflight Aviation Services
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Ed Sharp wrote:
> 
> I think this whole thing was complicated by the fact that the x-wind
> gust and the touchdown seemed to happen simultaneously -- I didn't
> have time to register that the gust had happened before the wheels
> hit...
> 
> Hope my little brush with disaster helps someone!

Ed, I am not saying that you did this.  It is merely something that I
have observed in flying with a number of different pilots, all
certificated and many with hours measured in four or five digits.  

I have noticed many nosewheel pilots who make a beautiful crosswind
approach.  They get down to the point where they round out and flare and
seem to forget they were doing a crosswind landing!  When the nose
starts to come up the crosswind correction goes away.  

This action APPEARS exactly like a "gust" at the last second before
touchdown and leads to EXACTLY the result you described.  When the
crosswind correction comes out the airplane immediately begins to drift
downwind.  Since the CG is ahead of the main gear ( if it wasn't the
airplane would sit with the tail on the ground ) the sideways motion
caused the nose to swing downwind when the mains first touch the
runway.  Of course, the rudder to correct this is "uncoordinated" and
feels funny!

I don't know why pilots do this.  It is like they change modes when the
start to flare.  "Ok, the crosswind is over, lets land now!"   I have
seen many pilots seriously endanger runway lights this way! :-)

-- 
Highflyer
Highflight Aviation Services


