MerlinIIIB
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Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 4:51 am

According to the leading newspaper Aftenposten, a B737 owned by Ryanair made a successful zero flap landing at TRF (Torp, Sandefjord, Norway) today. The runway at TRF is approx. 8000 ft, surface was dry and winds calm.

How serious is a zero flap landing under these conditions?
 
aogdesk
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 5:22 am

Depends....are you landing without flaps because they're not deploying symetrically or have they departed the aircraft along with 2/3 of the wing structure?  Wink
 
raggi
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 5:34 am

Anyone have a rough figure for the Vref speed for a zero flap landing, in this case for a 738, or any other commercial a/c for that matter?



raggi
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BoeingOnFinal
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 6:30 am

Hey, I live in Sandefjord, sorry I missed it then.

I guess it can't be too serious in terms of runway length with that small an airplane, because it's quite a long runway. I read on flightsim.no that once a 737-800 locked it's flaps at 15 degrees, caused a go-around and a hard landing, but nothing too seirous.
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Bobster2
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 6:47 am

Air Transat Flight 236 landed with zero flaps, zero main brakes, zero thrust reversers, zero fuel. But it wasn't a 737, it was an A330. And the runway was longer, almost 11,000 feet.

[Edited 2006-05-16 23:56:19]
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2H4
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 7:07 am




Quoting Raggi (Reply 2):
Anyone have a rough figure for the Vref speed for a zero flap landing, in this case for a 738, or any other commercial a/c for that matter?

I only have data for the -700, but here you go:

737-700 Vref speeds (commonly) range from 125-135 knots. The procedure to land with flaps 1 or less with LEDs not fully extended (ie: totally clean wing) is to set Vref40 + 55 knots. That means your final Vref speed would likely be in the neighborhood of 180-190 knots.

I've flown no-flap landings in the sim, and it seemed very fast, but not as insane as the numbers might suggest.




2H4


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AirWillie6475
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 1:59 pm

It's no big deal just use a lot of nose up trim to keep the airspeed from increasing and use a lot of power adjustments. At least that's how you do it with a 172 don't know what it's like in a 737. No flap landing becomes a problem with short runways because the airplane usually wants to float forever.
 
oly720man
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 7:27 pm

Quoting AirWillie6475 (Reply 6):
No flap landing becomes a problem with short runways because the airplane usually wants to float forever.

Can't you use spoilers?? (if the plane's got them, that is)
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raggi
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 7:28 pm

Quoting 2H4 (Reply 5):

Ok, thanks a lot!

raggi
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viv
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RE: Zero Flap Landing At TRF Today (Ryanair)

Wed May 17, 2006 8:21 pm

The landing speed would be very high.
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barney captain
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RE: Zero Flap Landing At TRF Today (Ryanair)

Thu May 18, 2006 2:11 am

Did a no TE flap landing in RNO several years back - it seems like the Ref speed was @175kts. This was in a -300 and we did have the LE devices, so that definitely helped. Landing was fairly straight forward (albeit fast), with a fairly nose high attitude. I never did learn why we couldn't get the flaps down. The alt flap system only got us the LE devices and nothing more - we had normal hyd pressure and everything else appeared normal. When we got to the gate, they worked perfectly. Weird.
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HAWK21M
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RE: Zero Flap Landing At TRF Today (Ryanair)

Thu May 18, 2006 2:27 am

What was the reason.Technical.
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