PPRuNe Forums - View Single Post - Embraer 170/190 Flap/Slat issues
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Old 14th April 2009 | 02:02
  #9 (permalink)  
ballina
 
Joined: Apr 2008
Posts: 2
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From: America
yes

I fly E190 myself, and I have encountered Slat failure about 3 times in a 12 month period for now. Althought this failure is considerable if you, as in any aircraft, are heavy, landing on ungrooved and/or wet runways. But even with those conditions, this aircraft's aerodynamics are so loyal, manueverability of the aircraft, and autobrake are so reliable, that this issue might not be such a factor to make pilots sweat. Although prelanding preparation, flare considerations, and go-around considerations should be taken into account. Personally I have found most handy to approach at the Vref specified on the QRH and not letting the airplane go beyond this speed, not even 5 knots. Once over the threshold, descend immediately to the runway and not flaring too much, aim the numbers. The most common failure is Slats Zero and Flaps one. This requires you Vref Full + 30 if I recall correctly. This speed mostly will never exceed 158 knots at usual landing weights. At this speeds, this beauty is more than able to stop less than 6500 ft with autobrake selected in MED. In this aircraft using Reverse Thrust is not an issue to consider, because autobrake reduces speed by a predetermined factor, so if you use REV, then autobrake will release brake pressure.
As graphic example I've landed in this configuration with wet runway, at MMMX RWY 05R abeam taxiway B4, and vacating the runway at taxiway G having the aircraft below 60 kts between E and E2. It is amazing to see how this aircraft performs.
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