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  1. jb747

    Six people dead as helicopter crashes into Hudson River

    I find myself leaning towards some sort of fatigue failure, simply because of the rapidity of the event.
  2. jb747

    Six people dead as helicopter crashes into Hudson River

    A perfectly reasonable response.
  3. jb747

    Six people dead as helicopter crashes into Hudson River

    The Ospreys didn't go from ops normal to failure instantly, which is what seems to have happened here. You'd expect a period of time between getting a chip light/loss of oil pressure/high oil temperature. Now that time might be short, but I expect it to be measured in minutes, not seconds. The...
  4. jb747

    Six people dead as helicopter crashes into Hudson River

    But if you read the ATSB accident report above, that seemingly involved mast bumping and breakup, the gearbox remained attached to the mast and rotor. "The main rotor system, including the transmission cowling, gearbox, and main rotor blades, was located about 68 m to the west in a heavily...
  5. jb747

    Six people dead as helicopter crashes into Hudson River

    Good find. I went looking for examples, but didn't find any. That leads us to discussion of "mast bumping", which I think is only an issue with teetering heads (as used in Jetranger, and Iroquois). Straitman will be the one who knows about this sort of thing, but my understanding is that it can...
  6. jb747

    Six people dead as helicopter crashes into Hudson River

    Loss of the complete main rotor disc is extraordinary. The video isn’t clear but there seems to be something substantial attached to the middle of the falling rotor. Gearbox?
  7. jb747

    Who is going to the USA, who has changed their travel and what will you do differently?

    I've made my decision. I won't ever be going there again. I was probably somewhat ambivalent about the place before the current silliness, but that's made it easy to cross off the list.
  8. jb747

    Jetlag minimisation/avoidance strategies

    Why not talk to a GP about Normison?
  9. jb747

    Ask The Pilot

    That's to do with manual pitch trim, and it doesn't exist on (say) the 767 because there's an electric back up means of moving the tail. The entire issue of manual trim came to the fore after the MCAS crashes, and I'm sure AV can tell us much more about that. The idea was to incorporate...
  10. jb747

    Ask The Pilot

    Sadly just about everything is an option. And that gives airline execs the opportunity to save money by not taking items that the users consider safety items. The widespread reluctance to order HUDs, and even when they do, to only place them on one side, is a good example. Dual HUDs only happen...
  11. jb747

    Ask The Pilot

    For some reason that I don't understand, 737s don't have tillers on the F/O's side. I don't know whether this is all of them, or why, though presumably it was a dollar saving 'feature'. Everything that I've ever had any involvement with had identical setups on both sides. In QF, if it was the...
  12. jb747

    United to Fly to Adelaide

    It would be interesting to know how these subsidies work, and how much they amount to.
  13. jb747

    Pax putting phone on speaker mode throughout flight and ignoring crew requests

    "Oh, your phone is having a thermal runway. Quick, drop it in a sink".
  14. jb747

    Airfares to US to drop?

    If avoiding the US becomes a long term trend, then I can see aircraft being redeployed/downsized. And yes, their border people seem to the the world's least human. I wonder whether they are hired that way, or the job changes them.
  15. jb747

    Todd Sampson dumped from Qantas Board

    I'm sure the QF pilots will be looking for his input.
  16. jb747

    JQ Pax attempts to open cabin door

    Such a pity that you can't let it open, just for them.
  17. jb747

    Avalon Air Show 2025

    I wonder what the planned "floor" for the display was. I've seen some frighteningly low outcomes at Temora. Going super low increases the risk exponentially, without improving the spectacle. Reminds me of this: This F/A-18 Pilot Survived 75G Impact in Horror Hornet Crash - The Aviation Geek Club
  18. jb747

    Article: The Practicalities of Working on a Plane

    Well, if you were in first the crew would obviously have suffocated the baby for you.
  19. jb747

    Ask The Pilot

    They'll always crab into wind for the approach until the flare. Some will land with it mostly intact (B), but others will do a flare/decrab (A). As a general rule, autopilots have their authority progressively removed as they get closer to the ground. Pilots on the other hand, are at their...
  20. jb747

    What plane is this at PER

    Almost identical coughpit to the A380…
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