Mailing List lml@lancaironline.net Message #27826
From: Skip Slater <skipslater@earthlink.net>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Baggage door flight characteristics
Date: Mon, 24 Jan 2005 23:17:50 -0500
To: <lml@lancaironline.net>
I had a new experience for the first time today that I thought I'd share with the LML. 
 
I was climbing through about 9,000' at about 145 KIAS in my ES when my baggage door open light came on.  I've seen that periodically before and all it ever meant was that the microswitch that touches the door needed adjusting.  Today though, it was telling the truth because within about a minute, it got pretty cold and breezy in the cabin.  I looked over my left shoulder out the rear window and sure enough, the door was wide open. 
 
I have some spring loaded latches on the front and back of the baggage door and apparently, the forward one (just above where the microswitch is located) didn't seat when I shut the door.  Shortly after it let go, the rear catch came off it's latch and the door became an airfoil.  I was quite surprised that 1) it was still there and 2) it was totally stable- no flutter whatsoever.
 
I immediately pulled the nose up and reduced power to slow as much as I could, eventually lowering my flaps and slowing to about 85 knots as I headed for the nearest place to land.  When I looked back again to see how the door was doing, it had come down and was now only open a few inches.  I cautiously sped up a little and went to about half flaps and the door opened further as the flaps came up.  I could change the door's position up or down simply by changing my flap setting.  In all positions, the door was completely stable and exhibited no adverse pitch or yaw that I could feel.  Pretty amazing.  Ultimately, I settled on about half flaps and 120 KIAS as I descended for what was an uneventful landing.  Postflight inspection revealed absolutely no damage to the door or hinges.  I'm feelin' pretty lucky right now!
 
I'd always wondered what would happen if that door came open, so I was quite pleased and relieved to learn that it was pretty much a non-event (though I'm not anxious to have it happen at a much higher speed).
 
Skip Slater
N540ES
 
 
  
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