Moderators: richierich, ua900, PanAm_DC10, hOMSaR
phatfarmlines wrote:Was it actually a strike on the 0:16-0:17 time marker in the video?
LHRXXXLHR wrote:Pretty impressive stopping ability. Someone more knowledgable on the situation can add to this but 3.5 hours to Miami with a decent load that aircraft isn't exactly light. Not heavy for sure but not light. Great footage.
TWA772LR wrote:LHRXXXLHR wrote:Pretty impressive stopping ability. Someone more knowledgable on the situation can add to this but 3.5 hours to Miami with a decent load that aircraft isn't exactly light. Not heavy for sure but not light. Great footage.
RTO auto brakes, quick thinking, and good airmanship in action. I want to say that the RTO setting can make the system work at over 100% (normal) capacity but I'm not sure. Can anyone correct me on this?
NW747-400 wrote:TWA772LR wrote:LHRXXXLHR wrote:Pretty impressive stopping ability. Someone more knowledgable on the situation can add to this but 3.5 hours to Miami with a decent load that aircraft isn't exactly light. Not heavy for sure but not light. Great footage.
RTO auto brakes, quick thinking, and good airmanship in action. I want to say that the RTO setting can make the system work at over 100% (normal) capacity but I'm not sure. Can anyone correct me on this?
While I can’t speak specifically to the 737, maximum manual braking typically provides more deceleration than the RTO setting on the auto brakes. That’s been true for every transport category aircraft I’ve flown to date. The benefits to the RTO setting are symmetrical braking and immediate brake application when thrust levers are retarded.
2eng2efficient wrote:Is it SOP to allow autobrake to bring the aircraft to a full stop, as opposed to disengaging at a slow speed (10-20 kts)? I have seen other RTO videos on YouTube where the A/C didn’t come to a complete stop on the runway, albeit none at a high speed like this.
TWA772LR wrote:NW747-400 wrote:TWA772LR wrote:RTO auto brakes, quick thinking, and good airmanship in action. I want to say that the RTO setting can make the system work at over 100% (normal) capacity but I'm not sure. Can anyone correct me on this?
While I can’t speak specifically to the 737, maximum manual braking typically provides more deceleration than the RTO setting on the auto brakes. That’s been true for every transport category aircraft I’ve flown to date. The benefits to the RTO setting are symmetrical braking and immediate brake application when thrust levers are retarded.
Will auto takes still go on when the toe brakes are at max pressure and provide braking symmetry?
NW747-400 wrote:TWA772LR wrote:LHRXXXLHR wrote:Pretty impressive stopping ability. Someone more knowledgable on the situation can add to this but 3.5 hours to Miami with a decent load that aircraft isn't exactly light. Not heavy for sure but not light. Great footage.
RTO auto brakes, quick thinking, and good airmanship in action. I want to say that the RTO setting can make the system work at over 100% (normal) capacity but I'm not sure. Can anyone correct me on this?
While I can’t speak specifically to the 737, maximum manual braking typically provides more deceleration than the RTO setting on the auto brakes. That’s been true for every transport category aircraft I’ve flown to date. The benefits to the RTO setting are symmetrical braking and immediate brake application when thrust levers are retarded.
DH106 wrote:Prior to the rejection, the aircraft looked very 'nose-up' with the nosewheel barely on the ground. Is this usual? I've never seen a 737 with that attitude on take-off.
DH106 wrote:Prior to the rejection, the aircraft looked very 'nose-up' with the nosewheel barely on the ground. Is this usual? I've never seen a 737 with that attitude on take-off.
SEU wrote:Wow I wonder how close to V1 that was, seriously impressive breaking performance as well.
N855GT wrote:For those curious... reject speed 130, V1 148 (VR 148 as well). Fuse plugs melted, all four main gear tires need replacement. Several outlet guide vanes and at least one of the chevron-shaped acoustic panels significantly damaged from bird impact on the right hand engine. Looks like brakes and anti-skid transducers live to see another flight.
AngelsDecay wrote:Great and amazing job...only a few mere "seconds" if less, from the birds/feathers filmed from the inside to start the decelaration...quick and wise decision, human skills 100% and brakes 100% either..not like this 747 some years ago:
https://www.youtube.com/watch?v=GXzkcmQ0AIw
ClipperMonsoon wrote:AngelsDecay wrote:Great and amazing job...only a few mere "seconds" if less, from the birds/feathers filmed from the inside to start the decelaration...quick and wise decision, human skills 100% and brakes 100% either..not like this 747 some years ago:
https://www.youtube.com/watch?v=GXzkcmQ0AIw
Dry runway vs wet runway, there's your 115% difference
AngelsDecay wrote:ClipperMonsoon wrote:AngelsDecay wrote:Great and amazing job...only a few mere "seconds" if less, from the birds/feathers filmed from the inside to start the decelaration...quick and wise decision, human skills 100% and brakes 100% either..not like this 747 some years ago:
https://www.youtube.com/watch?v=GXzkcmQ0AIw
Dry runway vs wet runway, there's your 115% difference
AFAIK in both cases RWY is WET...
BoeingGuy wrote:Boeing guidance is to not RTO above 80 knots for a bird strike unless anomalous engine behavior occurs. You don’t RTO at close to V1 just because you hit a bird. That’s a risk of a catastrophic runway excursion.
I don’t know enough about this incident yet to comment on whether the captain made the correct decision. Does anyone know if either engine did fail or show anomalous behavior? Was the high speed RTO justified?
ABEguy wrote:BoeingGuy wrote:Boeing guidance is to not RTO above 80 knots for a bird strike unless anomalous engine behavior occurs. You don’t RTO at close to V1 just because you hit a bird. That’s a risk of a catastrophic runway excursion.
I don’t know enough about this incident yet to comment on whether the captain made the correct decision. Does anyone know if either engine did fail or show anomalous behavior? Was the high speed RTO justified?
I really don’t mean this as an attack, but in other words you’re saying you’re going to spend days or weeks collecting and analyzing data to make a decision that this crew had 2 seconds to make.
BoeingGuy wrote:ABEguy wrote:BoeingGuy wrote:Boeing guidance is to not RTO above 80 knots for a bird strike unless anomalous engine behavior occurs. You don’t RTO at close to V1 just because you hit a bird. That’s a risk of a catastrophic runway excursion.
I don’t know enough about this incident yet to comment on whether the captain made the correct decision. Does anyone know if either engine did fail or show anomalous behavior? Was the high speed RTO justified?
I really don’t mean this as an attack, but in other words you’re saying you’re going to spend days or weeks collecting and analyzing data to make a decision that this crew had 2 seconds to make.
No. I asked a pretty straightforward question if anyone knew if either engine failed or showed signs of a problem. I was also interested in having the pilots here share their thoughts if the RTO was justified. Last I heard, this is a discussion board.
Where exactly did I say anything about spending weeks collecting and analyzing data? If I were AA’s Chief Pilot, my A.net user name would be a bit different.
BoeingGuy wrote:Boeing guidance is to not RTO above 80 knots for a bird strike unless anomalous engine behavior occurs. You don’t RTO at close to V1 just because you hit a bird. That’s a risk of a catastrophic runway excursion.
I don’t know enough about this incident yet to comment on whether the captain made the correct decision. Does anyone know if either engine did fail or show anomalous behavior? Was the high speed RTO justified?
BoeingGuy wrote:Boeing guidance is to not RTO above 80 knots for a bird strike unless anomalous engine behavior occurs. You don’t RTO at close to V1 just because you hit a bird. That’s a risk of a catastrophic runway excursion.
I don’t know enough about this incident yet to comment on whether the captain made the correct decision. Does anyone know if either engine did fail or show anomalous behavior? Was the high speed RTO justified?
BoeingGuy wrote:ABEguy wrote:BoeingGuy wrote:Boeing guidance is to not RTO above 80 knots for a bird strike unless anomalous engine behavior occurs. You don’t RTO at close to V1 just because you hit a bird. That’s a risk of a catastrophic runway excursion.
I don’t know enough about this incident yet to comment on whether the captain made the correct decision. Does anyone know if either engine did fail or show anomalous behavior? Was the high speed RTO justified?
I really don’t mean this as an attack, but in other words you’re saying you’re going to spend days or weeks collecting and analyzing data to make a decision that this crew had 2 seconds to make.
No. I asked a pretty straightforward question if anyone knew if either engine failed or showed signs of a problem. I was also interested in having the pilots here share their thoughts if the RTO was justified. Last I heard, this is a discussion board.
Where exactly did I say anything about spending weeks collecting and analyzing data? If I were AA’s Chief Pilot, my A.net user name would be a bit different.