PPRuNe Forums - View Single Post - Glass Panels Vs Steam Gauges..??
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Old 2nd Mar 2012, 07:30
  #14 (permalink)  
The Green Goblin
 
Join Date: Nov 2008
Location: The Shire
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Guys, it's one thing to talk about a glass flight deck in an Airliner, it's another thing entirely to then compare its operation with a G1000 in a light aircraft and state how good they are.

Yeah a G1000 is the ants pants, but you can still look at the window, you still have bell cranks and cables connecting everything together and the power lever is still connected to the engine. The autopilot operates (if installed) in basic modes of operation and is generally used in the cruise when you feel like a break. If your lucky it can be coupled to the GPS and operate in Nav mode.

A glass flight deck in an airliner is a portal to the computers that are running the show for you. And there is a computer for everything with a second computer to that computer. There is even a computer that operates the bloody landing gear and alternates between it's backup every cycle. When you lower the gear, you don't even wait for three greens, you call gear down and rely on one computer telling another computer that it's not down and informing you via ECAM. The information on your screens is delivered by information interpreted by computers and you operate accordingly. The computer tells you the procedure, then lights up the buttons you need to press, before informing you which systems are affected.

So with all due respect, it's one thing to talk about how great it is to be a weekend warrior with some fancy toys, it's another flying an automated machine at flight levels 8/10s the speed of sound relying on glass cockpit information derived from a mountain of computers.
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