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  1. Not if the PAPI has suddenly disappeared into a...

    Not if the PAPI has suddenly disappeared into a rainy white void, as I think the case was here. Before disappearing, the PAPI told them they were a bit high (imprecisely). After the PAPI disappeared...
  2. Not if the PAPI has suddenly disappeared into a...

    Not if the PAPI has suddenly disappeared into a rainy white void, as I think the case was here. Before disappearing, the PAPI told them they was a bit high (imprecisely). After the PAPI disappeared...
  3. Indeed, but in this case the ILS glideslope...

    Indeed, but in this case the ILS glideslope signal was available and quickly went from a half dot high to beyond two dots low. A quick peek at the PFD would have told them that they were far below...
  4. Fact-checking is their job, and they failed at...

    Fact-checking is their job, and they failed at that here, as the general media often does with technical aspects of aviation, but I don't see that as reason to accuse them of having an "agenda". The...
  5. Perhaps they are referring to the combination of...

    Perhaps they are referring to the combination of being off glideslope while seeing potentiai IMC ahead. But what troubles me more is that the report fails to cite the immense violation of handing...
  6. Used to be...? I think the thing to...

    Used to be...?

    I think the thing to understand here is that the first P in PAPI is a bit fatuous. "Precision" is not exactly what you are getting here. I don't know precisely how much deviation...
  7. So the report considers anything but two whites...

    So the report considers anything but two whites and two reds at the MAP to be a go-around but you don't. I don't know what the stabilized criteria is with regard to PAPI, but I like the idea of being...
  8. a) The approach was not stablized on the...

    a) The approach was not stablized on the glideslope at the MAP.
    b) impending IMC (loss of visual contact with the runway).

    Why would you not execute the missed approach at that point? I don't...
  9. The indication means slightly high, and the PFD...

    The indication means slightly high, and the PFD deviation was indeed a half dot below center at that point, thus he increased his sink rate in an attempt to salvage the approach, and the deviation...
  10. In this case, you are right. Since the pilot was...

    In this case, you are right. Since the pilot was well aware that his sink rate was too high and that he was below glide slope, the warnings served no purpose, while he didn't seem to recognize how...
  11. I just don't see how a pilot watching the...

    I just don't see how a pilot watching the instruments could pull this one off. I think they lost visual with the runway and the PIC (PF) decided to fly it down thinking he was going to re-establish...
  12. The guidance diamonds show the location of the...

    The guidance diamonds show the location of the glideslope and localizer relative to your current trajectory, so when you are below glideslope the diamond will be displayed 'high' on the scale.
  13. Hence the instruments. I see your point that it...

    Hence the instruments. I see your point that it might not have been intentional dive and drive, but I just can't imagine being an airline pilot and simply placing all your faith out the window at...
  14. I'm not suggesting that anything was handled...

    I'm not suggesting that anything was handled correctly here, I certainly don't see any corrective roll to the good engine, the track seems to be diverging from the runway heading, the gear remains...
  15. The PAPI was operational. The PIC calls out "one...

    The PAPI was operational. The PIC calls out "one red... three whites". During the investigation they both insisted it had been three reds, one white.

    This one is still a real head-scratcher. For...
  16. But the apparent yaw in the video suggests the...

    But the apparent yaw in the video suggests the engine had already failed when they were flying level, for some time, until the plane suddenly rolls over. My guess is that they allowed the airspeed to...
  17. Why should Boeing need an FAA mandate to address...

    Why should Boeing need an FAA mandate to address a design with a safety issue? The mechanism was susceptible to jamming, leading to rudder reversal. That was plainly obvious. The danger was...
  18. You're right, that part is ill-informed. Just...

    You're right, that part is ill-informed. Just skip that part. It doesn't alter the point being made. The problem at Boeing is a cancer of upper management, a culture that, for decades, has put...
  19. Cryptic resolution as usual but it certainly...

    Cryptic resolution as usual but it certainly looks like the plane was seriously yawing but level until it suddenly rolled over. Did they let it fall below vmca and/or stall?
  20. Oh, hello... ...

    Oh, hello...

    https://www.nytimes.com/2019/07/17/opinion/boeing-737-max.html
  21. Of course, but if you've been following the...

    Of course, but if you've been following the thread, it doesn't seem possible for the airplane to have been airborne below vmca, thus the asymmetry should have been controllable (in the absence of...
  22. How does that result in a sharp bank off the...

    How does that result in a sharp bank off the runway heading (in the absence of pilot error)?
  23. Thread: I had no idea!

    by Evan
    Replies
    19
    Views
    834

    It's the only way to get through this. Every time...

    It's the only way to get through this. Every time I see him in the guise of the president, I think I'm trapped in a Simpsons episode. Well, if I am, we know that Lisa Simpson will win the next...
  24. Thread: I had no idea!

    by Evan
    Replies
    19
    Views
    834

    Initial report is out. Just prior to the event,...

    Initial report is out. Just prior to the event, the automation was lost (perhaps due to rain ingress of the teleprompter). The President Speaking (PS) took manual control of his own words but...
  25. Thread: I had no idea!

    by Evan
    Replies
    19
    Views
    834

    "Our army manned the [unintelligible]. It rand...

    "Our army manned the [unintelligible]. It rand the ramparts. It took over the airports."

    At least the third sentence isn't jibberish.
  26. It obviously wasn't an -ER but it could very well...

    It obviously wasn't an -ER but it could very well have been overweight. Vmca doesn't explain it. Stall due to being overweight doesn't fit. I guess that leaves pilot error, mechanical issue with a...
  27. Ah yeah, for some reason I had it in my head that...

    Ah yeah, for some reason I had it in my head that this was an -ER.
  28. From the horse's mouth, vmca flaps up is 94kts...

    From the horse's mouth, vmca flaps up is 94kts and approach config is 93kts - Beechcraft pdf file:
    ...
  29. Overweight does affect take-off distance and...

    Overweight does affect take-off distance and lift-off speed, doesn't it? I don't understand how an overweight (or not overweight for that matter) King Air with a vmca around 95 kts is going to get...
  30. Yes. What a sh*tshow. We would do better to...

    Yes. What a sh*tshow. We would do better to discuss why they sometimes don't crash.
  31. So, I take it the architecture here is not...

    So, I take it the architecture here is not switch-wire-motor. It sounds like there's a stealthy bit of FBW in-between.
  32. I think it seems more plausible than a veteran...

    I think it seems more plausible than a veteran pilot suddenly flying erratically while still (apparently) communicating lucidly.
    But who knows. There's not much left to tell the tale.
  33. It sounds as if he was flying legally below the...

    It sounds as if he was flying legally below the cloud ceiling but had controllability issues which caused him to climb into IMC.
  34. Obviously, I'm talking about area navigation, not...

    Obviously, I'm talking about area navigation, not attitude.



    Does that mean you cannot take off from, or fly into, a Manhattan heliport unless it is a cloudless, sunny day? If so, then never...
  35. Well, to begin with, I'm talking once again about...

    Well, to begin with, I'm talking once again about satety through redundancy. We have some safety already in that we restrict VFR pilots from going into IMC, which means all they really need is a...
  36. I see your point that this helicopter might not...

    I see your point that this helicopter might not have had GPS. It was apparently N200BK, a 2000-build AW109E Power. The newer ones come with integrated, moving map GPS but I don't think a 2000 build...
  37. Ok, but in the civilized world, aka Manhattan, we...

    Ok, but in the civilized world, aka Manhattan, we generally don't see rusty old skyhawks flying around with their doors missing. I think you can install a panel mount unit for less than the price of...
  38. Here it is: China Airlines Flt 120, indeed a...

    Here it is: China Airlines Flt 120, indeed a 737NG:

    https://lessonslearned.faa.gov/ll_main.cfm?TabID=2&LLID=65&LLTypeID=2

    Probably a failure unrelated to the current issue, but it illustrates...
  39. Outsourcing... There was an incident of an...

    Outsourcing...


    There was an incident of an aircraft (can't recall if it was a 737) catching on fire on the ground as the result of a slat track issue. I think it resulted in a fuel tank breach....
  40. Sure, as delivered, but I would expect a machine...

    Sure, as delivered, but I would expect a machine that expensive operated out of NYC to have a few modern upgrades. How expensive/difficult it it to throw an aftermarket nav unit in there? I think...
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