Another incident ?
#213
Yes..I can't speak for WN but at UA on the 737, that technique is not just an approved procedure on a runway that's considered "short" (less than 7,500), but it's required. It's in the FM and we train it that way. Basically at 200' above TDZE we "adjust the aim point" to be closer to the runway threshold.
#215
Gets Weekends Off
Joined APC: Dec 2023
Posts: 519
I look foward to seeing your reenactment soon in one of our DL's into MDW, BUR or any short wet runway for that matter. It's going to be good. But "I stayed on GS all the way to touchdown", with a full 800 or MAX. Wow!
#217
Gets Weekends Off
Joined APC: Nov 2015
Posts: 1,153
There's a big difference between that, and what you said.
#218
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Joined APC: Apr 2013
Posts: 3,650
Holy cow, this thread is painful.
Yes, when landing a speeding 140k lb airplane on a 5500 foot runway with a busy road at the end of it, you don't just discard the first 1500 feet of it because of something that someone read once in a book. That's a quarter mile of pavement that Jesus put there for your use. Use it. It isn't there to look pretty or to host an arts festival. It's there to hold airplanes.
Yes, when landing a speeding 140k lb airplane on a 5500 foot runway with a busy road at the end of it, you don't just discard the first 1500 feet of it because of something that someone read once in a book. That's a quarter mile of pavement that Jesus put there for your use. Use it. It isn't there to look pretty or to host an arts festival. It's there to hold airplanes.
#219
Gets Weekends Off
Joined APC: Aug 2020
Posts: 115
“hey it’s 5tools in the back, are we good to get up?”
#220
New Hire
Joined APC: Jul 2022
Posts: 3
Yes..I can't speak for WN but at UA on the 737, that technique is not just an approved procedure on a runway that's considered "short" (less than 7,500), but it's required. It's in the FM and we train it that way. Basically at 200' above TDZE we "adjust the aim point" to be closer to the runway threshold.
It also part of terps for everything down to a CAT 1 ILS.
"At inner marker or equivalent" (which is about 150') safety maneuver the aircraft visually to land at the appropriate touchdown point. This is also why the AP has to be disconnected where? .... At 50' feet below DA (there's that 150' again)
Numbers for a HGS AIII mode landing (where you do actually fly the GS all the way down) subtract over 1000' from your stop margin. The "dipping below bad" thing only applies if you do it before inner marker or equivalent (~150).
Once you get to 150' with the runway in sight every landing is a visual one all the way down to a normal CAT 1 ILS to mins. You have a REQUIREMENT to not follow the GS all the way down and to land at the appropriate point unless you've obtained the performance numbers for doing so which normal stop margin numbers don't allow for.
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