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tifosi77
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Postby tifosi77 » Fri Jul 17, 2020 2:50 am

Our last round trip through Europe was aboard an LHA 74-8. :sad:

I haven't checked FlightRadar24 to know its carrier and destination, but a couple times a week we (normally) get overflown by one 7-4 on climbout from LAX going north-ish.

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Postby Shyster » Sat Jul 18, 2020 6:46 pm

Our last round trip through Europe was aboard an LHA 74-8. :sad:

I haven't checked FlightRadar24 to know its carrier and destination, but a couple times a week we (normally) get overflown by one 7-4 on climbout from LAX going north-ish.

It's probably going to be a cargo operator. Among others, I believe Nippon Cargo, Cargolux, Kalitta Air, Cathay Pacific, Air China, and Asiana all operate cargo 747s to LAX.

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Postby DigitalGypsy66 » Sun Jul 19, 2020 9:16 am

Pretty good explainer on the future of commercial flying:


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Postby Shyster » Wed Jul 22, 2020 4:38 pm

I don't think that one is going to buff out. Fortunately, it was a cargo aircraft, and it doesn't look like anyone was injured.


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Postby tifosi77 » Fri Jul 24, 2020 2:32 pm

Thanks to FlightRadar24, I was able just now to go outside and see one of the final Qantas 747 flights out of LAX as it flew over my house. (Destination is MHV, so I'm guessing it's heading to ye mothballs)

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Postby Shyster » Fri Jul 24, 2020 3:59 pm

Yes. Might have been the very last flight. The aircraft heading to MHV will only leave in parts.

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Postby tifosi77 » Fri Jul 24, 2020 6:02 pm

There was a second one about an hour later that was destined for VCV, which is a logistics support field in Victorville. (I think a lot of the 73MAX fleet has been vacationing there)

Speaking of which, FAA Orders Thousands Of Boeing 737s To Undergo Emergency Inspections
The Federal Aviation Administration is ordering emergency inspections of about 2,000 Boeing 737 airplanes because of a possible engine valve problem that could lead to engine failure.

The FAA's emergency air worthiness directive orders inspections of older 737 Classic and Next Generation planes that may have been in storage as a result of sharply reduced air travel demand during the COVID-19 pandemic.

The directive, dated Thursday, was prompted by four recent reports of single-engine failures due to problems with a critical air check valve. Inspectors found corrosion on some engine air check valves, which can lead the valves to become stuck open and potentially cause both of a plane's engines to lose power and prevent them from restarting.
Basically, the engines are designed to more or less be constantly in operation and only completely powered down for relatively brief periods. With airlines grounding much of their fleets (across all types) for months amid the pandemic, a particular valve is showing susceptibility to corrode during this extended down time.

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Postby Shyster » Fri Jul 24, 2020 6:25 pm

Looking at the directive, it doesn't look like a complicated check. It's basically just "wiggle the valve and see if it sticks."

I checked, and I see no corresponding directive for Airbus models with CFM engines, which I presume means there must be a different valve system for the two aircraft. The directive refers to both the 737 Classic and NG versions, which means that the valves on both the CFM-56-4 and much newer CFM-56-7 variants are subject to sticking while the valves on the Airbus CFM-56-5s are not.

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Postby Freddy Rumsen » Sat Jul 25, 2020 6:26 pm


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Postby shafnutz05 » Sat Jul 25, 2020 7:01 pm

Awful.... I cannot even fathom being one of the few unlucky folks in America that has had a plane crash into their house. Reminds me of the Buffalo crash some years back.

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Postby shafnutz05 » Wed Jul 29, 2020 10:20 pm

Awful.... I cannot even fathom being one of the few unlucky folks in America that has had a plane crash into their house. Reminds me of the Buffalo crash some years back.
So this one hits close to home. An old Coast Guard mate and her family were the victims in this crash. She lost her infant son and husband, and she and her two year old son are hospitalized with severe burns and other injuries.

I'm just gutted for her and her family, I simply cannot imagine the mental and physical pain she is going through. :(

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Postby Shyster » Wed Jul 29, 2020 10:24 pm

Wow, that's terrible.

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Postby tifosi77 » Thu Jul 30, 2020 3:13 pm

Holy crap, that's insane.

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Postby Freddy Rumsen » Thu Jul 30, 2020 3:15 pm

My word. Prayers up Shad

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Postby shafnutz05 » Thu Jul 30, 2020 5:30 pm

Thanks gents. :thumb:

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Postby Shyster » Sat Aug 08, 2020 6:30 pm

Initial reports from the authority that operates the airport in Kerala, India where an Air India 737 overran the runway are saying that the aircraft touched down long near a taxiway that is around 1,000 metres from the runway threshold. That would be close to halfway down the 2,800-meter runway. Couple that with heavy rain and a mild tailwind, and there was pretty much no chance that the 737 would be able to stop before going off the end of the runway, which was a sharp drop into a gorge. The aircraft had already gone around once due to the heavy rain and low visibility, and it should have gone around again. This one is looking like pilot error.

https://timesofindia.indiatimes.com/ind ... 427990.cms

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Postby NTP66 » Wed Aug 12, 2020 5:25 pm

Boeing 747s Still Use Floppy Disks to Get Critical Software Updates
It’s been approximately 12 million years since most of us last used a floppy disk, but apparently, the antiquated tech still plays a critical role in delivering software updates to Boeing’s 747-400 planes.

Apparently, the drive is the 747's navigation database loader and needs to be updated every 28 days. As in, some poor engineer has to visit each 747-400 and manually deliver updates... or the planes wouldn’t be able to fly. And it’s not just the 747s. Per the Verge, the majority of Boeing 737s are also updated via floppy disks. Operators these planes, according to a 2014 Aviation Today report, have binders full of floppy disks for “all the avionics that they may need.” That includes important information like airports, runways, flight paths, and waypoints used by pilots to make flight plans.

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Postby Shyster » Wed Aug 12, 2020 5:40 pm

Older aircraft are going to have older avionics. Any changes to the electronics of an aircraft has to be separately certified as a supplemental type certificate, and there are rigorous requirements for any electronic parts that go into an aircraft. Even for general-aviation aircraft, you just can't buy a new set of instruments and install it into your Cessna, even if it would fit and work perfectly. The replacement instruments have to be certified by the FAA and the manufacturer for installation into that particular aircraft. So in most cases it's cheaper and simpler to just keep producing, installing, and using the old hardware, especially for commercial fleets. The high cost of part certification is yet another reason that airplanes are so expensive.

The "update every 28 days" thing probably isn't a problem because most commercial aircraft would go through an "A" check more often than that, so it's just one more item on the checklist for the maintenance workers to do.

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Postby NTP66 » Wed Aug 12, 2020 5:42 pm

I just think it’s funny that floppy disks are still in use anywhere.

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Postby dodint » Wed Aug 12, 2020 5:43 pm

Reminds me of tbe Mclaren F1 service laptop.

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Postby tifosi77 » Wed Aug 12, 2020 5:45 pm

4th generation fighters still use VHS-style tapes to record gun camera footage. If you ever watch cold-and-dark startup videos where the aviator has a GoPro on their helmet, you'll see them loading up the tapes into a deck behind the ejection seat.

I think Strike Eagles still use something like data cards to load mission data into the avionics.

(Back to non-military)

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Postby NTP66 » Wed Aug 12, 2020 5:49 pm

The F35 probably uses Zip drives.

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