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I was on a radio where a pilot of a small business jet reported hypoxic symptoms, sounded generally ok, a small slur, announces on oxygen and his intent to descend. Aircraft proceeds to accelerate and climbs past 40,000 feet getting close to engine failure altitudes and drops off voice comms. Several minutes later actually descends to reasonable altitude and comes back on radio clear. Apparently flight crew oxygen wasn’t flowing for whatever reason (not clear if mechanical or crew error) and the thing that saved them was the FA checked on the cabin because she knew “climb” wasn’t the depressurization plan and managed to get them on standalone oxygen bottles of some sort… It’s a scary situation when your brain just stops working right.
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Jun 26, 2024 14:57
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| # ? Jun 30, 2024 21:37 |
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Modern Cirrus aircraft have the equivalent of a screensaver check that runs when the plane is on autopilot at altitudes where oxygen is expected. If you haven’t done anything with the avionics in a while it’ll prompt you for input, and then if nothing is forthcoming it’ll perform a descent to thicker air, presumably while also respecting terrain clearance. However I can’t imagine having the patience to climb the SR20 I rent above 12,500
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Jun 26, 2024 15:14
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ROCKET SCIENCE
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illectro posted:Modern Cirrus aircraft have the equivalent of a screensaver check that runs when the plane is on autopilot at altitudes where oxygen is expected. If you haven’t done anything with the avionics in a while it’ll prompt you for input, and then if nothing is forthcoming it’ll perform a descent to thicker air, presumably while also respecting terrain clearance. This is real cool Garmin takes it one step further, by landing the entire plane, including notifying the airport on radio https://discover.garmin.com/en-US/autonomi/
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Jun 26, 2024 16:14
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illectro posted:Modern Cirrus aircraft have the equivalent of a screensaver check that runs when the plane is on autopilot at altitudes where oxygen is expected. If you haven’t done anything with the avionics in a while it’ll prompt you for input, and then if nothing is forthcoming it’ll perform a descent to thicker air, presumably while also respecting terrain clearance. Hey man, I'm paying for the altimeter, I'm gonna use all of it.
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Jun 26, 2024 20:14
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Went to my local museum today. It’s very small and volunteer run. Decent effort considering I think. They have some stuff that used to be stationed locally before the RAF station closed in the 90s. Also quite a bit of WW2 bits dug out of local fields after accidents! Most things look like they had a pretty hard service life and they obviously don’t have a lot of money to restore but it’s quite charming in a way. Old navy seaking  Scout  Some of the wiring for a Vulcan cockpit they’re working on  Lynx  Cockpit of a Nimrod that ditched in the sea in 1995  Whirlwind  Ancient Sycamore  Merlin dug out of a field after a crash. Imagine the energy needed to tear it apart like this  Old Dominie trainer from when 6 Flight Training School was based locally 
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Jun 27, 2024 21:02
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monkeytennis posted:
Look at that chonky girl.
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Jun 27, 2024 22:36
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I love that helicopter so much.
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Jun 27, 2024 23:12
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I like the designs of early helicopters because they clearly don't know where to put anything yet.
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Jun 27, 2024 23:38
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Cojawfee posted:I like the designs of early helicopters because they clearly don't know where to put anything yet. The H-19 looks like a chonker because they mounted a radial engine at an angle in the nose, with the driveshaft running up between the pilots. It was better balanced and really easy to maintain (compared to putting the engine up on top of the helicopter somewhere). 
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Jun 28, 2024 00:30
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monkeytennis posted:Cockpit of a Nimrod that ditched in the sea in 1995 Whoever designed those windscreen wipers deserves a commendation.
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Jun 28, 2024 01:37
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i'll be near the florida space coast in mid-july and have a couple days available; can anyone recommend what's worth taking the time to see? the kennedy space center website is a bit obtuse
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Jun 28, 2024 02:33
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Obviously if you can see a launch then do that. It’s pretty incredible in person.
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Jun 28, 2024 03:27
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the milk machine posted:i'll be near the florida space coast in mid-july and have a couple days available; can anyone recommend what's worth taking the time to see? the kennedy space center website is a bit obtuse Go to the visitor center, do the bus tour, it goes to a Saturn 5 and near the VAB and crawler and stuff. It's all self contained, just show up and plan to spend about a day max, imo. I don't think there's any other cool aviation or space stuff publicly viewable around there. Ditto on watching a launch if it happens, obviously.
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Jun 28, 2024 05:11
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the milk machine posted:i'll be near the florida space coast in mid-july and have a couple days available; can anyone recommend what's worth taking the time to see? the kennedy space center website is a bit obtuse Above is a good rec. Also valiant air warbird museum is around there. It has a prop and an engine but doesn’t fly: airboat tours is also a thing. Not aerospace but depending on where you’re traveling the cape canaveral national sea shore also has some nice sights, dolphins and nature and poo poo. It’s only accessible from the north afaik. Also it’s 100% worth getting a jet ski and touring some of the intercoastal waterways imo.
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Jun 28, 2024 17:01
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I've been flying in a lot of 737s this weekend, and I noticed that the MAX is incredibly smooth and quiet compared to both the classic and NG, and Airbus 32X. Did they add a bunch of sound deadening? Is it the ridiculously huge high-bypass turbofans? Just being less old and busted? Granted, none of the doors came off which really helped.
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Jun 30, 2024 04:02
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yeah doors really improve the NVH of a jet.
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Jun 30, 2024 04:53
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Elviscat posted:I've been flying in a lot of 737s this weekend, and I noticed that the MAX is incredibly smooth and quiet compared to both the classic and NG, and Airbus 32X. Did they add a bunch of sound deadening? Is it the ridiculously huge high-bypass turbofans? Just being less old and busted? nah i think the insulation is basically the same. probably the latter two items
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Jun 30, 2024 06:01
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| # ? Jun 30, 2024 21:37 |
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The chevrons on engine nacelle (and sometimes nozzle) trailing edges seen in recent aircraft engines reduce engine noise a lot. The 737 max has these, maybe the older aircraft in question don't?
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Jun 30, 2024 09:52
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