Search found 82 matches

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by phugoid1982
Thu Oct 22, 2020 12:22 pm
Forum: Civil Aviation
Topic: AA Retires All Airbus A330-200s
Replies: 190
Views: 25033

Re: AA Retires All Airbus A330-200s

I was thinking about the AA 330 fleet a couple of days ago and came on here to find 333s retired and the 332s in storage. I was hoping demand to the Caribbean might pick up and I could catch one dowb to SJU next spring. I miss spotting the multiple ones down there that would come in. I doubt Delta w...

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by phugoid1982
Tue Oct 20, 2020 1:08 pm
Forum: Civil Aviation
Topic: Anyone have the story of a jumbo landing emergency and seats had to be removed to get plane out?
Replies: 57
Views: 10372

Re: Anyone have the story of a jumbo landing emergency and seats had to be removed to get plane out?

Not a widebody but a United 757 landed at Isla Grande instead of Munoz Marin in San Juan, Puerto Rico. The largest Isla Grande sees are cessna' s and learjet business jets, apart from the regular trislander passenger planes. I remember that happening!! Although to be fair, the 757 has great thrust ...

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by phugoid1982
Sat Oct 17, 2020 12:03 pm
Forum: Non-Aviation
Topic: Anybody else love seals (animals)?
Replies: 8
Views: 650

Re: Anybody else love seals (animals)?

For me, seals are less attractive otters. I’m totally on board the otter train :) That said, seals are the only of the two that I see in the wild, and I love it. Bull seals are far from cute and cuddly, they are big strong, can move deceptively fast with big teeth that they display prominently. A b...

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by phugoid1982
Fri Oct 16, 2020 7:00 pm
Forum: Non-Aviation
Topic: Anybody else love seals (animals)?
Replies: 8
Views: 650

Re: Anybody else love seals (animals)?

I love seals ever since I was a small kid (perhaps 4 or 5) and my parents gave me a stuffed toy that was a white baby seal. That was my favorite toy growing up. Just recently my mother rediscovered that toy and I allowed my own infant son to play with it, but I must say, I was very apprehensive he ...

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by phugoid1982
Fri Oct 16, 2020 6:08 pm
Forum: Non-Aviation
Topic: Anybody else love seals (animals)?
Replies: 8
Views: 650

Anybody else love seals (animals)?

Trying to look for levity amidst all the stressful thing going on in the world. Ever since I was in high school and read a National Geographic article about bearded seals I've loved seals and spend countless hours a day watching videos of seals just being cute and wiggly and jiggly. They are just so...

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by phugoid1982
Mon Oct 05, 2020 7:09 pm
Forum: Civil Aviation
Topic: Concorde 4590: Could It Have Landed?
Replies: 60
Views: 12620

Re: Concorde 4590 : Could It Have Been Landed ?

Air France was happy to see Concorde go. Even pre 9/11 and the advent of the internet enabling virtual conferencing as well as reducing the need for the core clientele to travel it was a God's send to them to end service. BA was making a profit with Concorde, neglecting acquisitions costs at least ...

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by phugoid1982
Mon Oct 05, 2020 5:40 pm
Forum: Civil Aviation
Topic: Concorde 4590: Could It Have Landed?
Replies: 60
Views: 12620

Re: Concorde 4590 : Could It Have Been Landed ?

Air France was happy to see Concorde go. Even pre 9/11 and the advent of the internet enabling virtual conferencing as well as reducing the need for the core clientele to travel it was a God's send to them to end service. BA was making a profit with Concorde, neglecting acquisitions costs at least p...

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by phugoid1982
Sun Oct 04, 2020 11:23 pm
Forum: Civil Aviation
Topic: Concorde 4590: Could It Have Landed?
Replies: 60
Views: 12620

Re: Concorde 4590 : Could It Have Been Landed ?

Yes but AF reticence towards the matter as evident during the relatively more recent AF 447 might indicate a more systemic problem with regards to CRM as others have stated and political considerations superceding objective determination of cause/effect. Don't forget when the Soviet Tu-144 SST crash...

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by phugoid1982
Sun Oct 04, 2020 9:09 pm
Forum: Civil Aviation
Topic: Concorde 4590: Could It Have Landed?
Replies: 60
Views: 12620

Re: Concorde 4590 : Could It Have Been Landed ?

It’s one of those events that theoretically could have landed... but with a great deal of hindsight. Knowing exactly what is happening at the time (and without the issues mentioned above?), increases the chances considerably. Sent from my iPhone using Tapatalk This is the reason I’ve never been a f...

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by phugoid1982
Sun Oct 04, 2020 7:09 pm
Forum: Civil Aviation
Topic: Concorde 4590: Could It Have Landed?
Replies: 60
Views: 12620

Re: Concorde 4590 : Could It Have Been Landed ?

trent772 wrote: Please do elaborate on this "pilot error" and enlighten us on how you came up with this judgment of a cockpit crew that was one of the most experienced within a world renowned airline and thoroughly trained on an airplane few people were qualified to operate. John Hutchins...

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by phugoid1982
Sun Oct 04, 2020 11:46 am
Forum: Civil Aviation
Topic: Concorde 4590: Could It Have Landed?
Replies: 60
Views: 12620

Re: Concorde 4590 : Could It Have Been Landed ?

Please do elaborate on this "pilot error" and enlighten us on how you came up with this judgment of a cockpit crew that was one of the most experienced within a world renowned airline and thoroughly trained on an airplane few people were qualified to operate. John Hutchinson, a former BA ...

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by phugoid1982
Sat Oct 03, 2020 6:19 pm
Forum: Technical/Operations
Topic: Technical Cheat sheet for aerospace and aeronautical engineers
Replies: 9
Views: 1984

Re: Technical Cheat sheet for aerospace and aeronautical engineers

1) Aerodynamics, "Fundamentals of Aerodynamics" by John D. Anderson (Excellent. Was the top student in my class for this subject not because I was exceptionally smart but the because book was so well written) 2) Aircraft Propulsion- book by Farokhi was the one I used in college. Pretty goo...

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by phugoid1982
Tue Aug 18, 2020 11:03 pm
Forum: Travel, Polls & Preferences
Topic: What would an Independent Puerto Rico's airports look like?
Replies: 28
Views: 3333

Re: What would an Independent Puerto Rico's airports look like?

[quote="phugoid1982" ]Caramba I read about the Aguadilla to Ponce service on Carnival and wrote about it at Wikipedia's Mercedita Airport page, but had no idea you couldnt fly from PSE to BQN only! Thats great info to know, man! Wonder why? I mean Im sure only 2 pelagatos would go by plan...

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by phugoid1982
Tue Aug 18, 2020 3:56 pm
Forum: Travel, Polls & Preferences
Topic: What would an Independent Puerto Rico's airports look like?
Replies: 28
Views: 3333

Re: What would an Independent Puerto Rico's airports look like?

Thanks man! I can't believe how long ago some of this stuff happened. I haven't been down to PR in 5 years. I'm hoping once things settle with COVID I can hitch a ride on the United 777s going down there from Newark.

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by phugoid1982
Mon Aug 17, 2020 1:11 pm
Forum: Travel, Polls & Preferences
Topic: What would an Independent Puerto Rico's airports look like?
Replies: 28
Views: 3333

Re: What would an Independent Puerto Rico's airports look like?

That's wild! I always thought of Arrow Air as a cargo airline but I did a quick search and it looked like they built a hub in PR in 85 and had passenger flights too. I'm wondering, could you actually buy tickets between BQN and SJU or was it just a stop on it's way to the mainland. Carnival airlines...

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by phugoid1982
Wed Aug 12, 2020 11:43 am
Forum: Travel, Polls & Preferences
Topic: What would an Independent Puerto Rico's airports look like?
Replies: 28
Views: 3333

Re: What would an Independent Puerto Rico's airports look like?

It's too bad Aeroflot doesn't fly regularly into PUJ anymore and I think that they outsourced a lot VFR traffic Rossiya and their new strategy is to focus on "Premium" routes. If PR were independent and not dollarized anymore which contributes to the high cost of visiting I could see Aerof...

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by phugoid1982
Sun Aug 09, 2020 5:43 pm
Forum: Travel, Polls & Preferences
Topic: What would an Independent Puerto Rico's airports look like?
Replies: 28
Views: 3333

Re: What would an Independent Puerto Rico's airports look like?

Hablando de esos 747 de Avianca, i'm pretty sure my parents flew in on one of those in 1984 when we moved to PR from Brazil when I was 2 years old. My dad had accepted a position at UPRM and he told me they flew Sao Paulo- (GRU)-Bogota-SJU on a 747 so I wish I had been old enough to remember. Whenev...

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by phugoid1982
Sun Aug 09, 2020 1:04 pm
Forum: Travel, Polls & Preferences
Topic: What would an Independent Puerto Rico's airports look like?
Replies: 28
Views: 3333

Re: What would an Independent Puerto Rico's airports look like?

I grew up in Mayaguez back when Eagle still flew the ATRs down there and even had flights to Santo Domingo. I'd love to see perhaps a Cubana An-158 fly in maybe from Santiago de Cuba which is only 600 miles away. Still runway length has always been an issue. I think the lack of customs facilities n...

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by phugoid1982
Sat Aug 08, 2020 12:47 pm
Forum: Travel, Polls & Preferences
Topic: What would an Independent Puerto Rico's airports look like?
Replies: 28
Views: 3333

Re: What would an Independent Puerto Rico's airports look like?

I grew up in Mayaguez back when Eagle still flew the ATRs down there and even had flights to Santo Domingo. I'd love to see perhaps a Cubana An-158 fly in maybe from Santiago de Cuba which is only 600 miles away. Still runway length has always been an issue. I think the lack of customs facilities no...

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by phugoid1982
Sun Jul 26, 2020 3:59 pm
Forum: Technical/Operations
Topic: Concorde longest transatlantic crossing due to unusual jet stream?
Replies: 13
Views: 2094

Concorde longest transatlantic crossing due to unusual jet stream?

I know that the fastest Concorde transatlantic crossing occurred in 1996 between JFK-LHR and took a brisk 2 hrs and 52 mins and that Concorde usually flew above the jet stream in rather quiescent conditions. However, on that day there were strong winds in the tropopause apparently. Does anyone know ...

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by phugoid1982
Sun Jun 21, 2020 4:07 pm
Forum: Civil Aviation
Topic: Why doesn't the AN225 have passenger service?
Replies: 46
Views: 9119

Re: Why doesn't the AN225 have passenger service?

Slightly off topic but before the collapse of the Soviet Union there were proposals to build a passenger carrying version of the An-124 (An-418) to compete with the 747, with a mid wing design. Would've been interesting to see. Here's a link to the configuration and short article. https://www.global...

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by phugoid1982
Sat Mar 14, 2020 3:23 am
Forum: Technical/Operations
Topic: How do elevons work differentially to generate BOTH roll and pitch simultaneously?
Replies: 6
Views: 1313

Re: How do elevons work differentially to generate BOTH roll and pitch simultaneously?

True. I assumed cruise conditions where angle of attack could be assumed to be less than 5 degs where small angle approximations applied. Probably not true for many commercial A/C. Yeah, deflections arent symmetric even for a symmetric airfoil. In that case I'm guessing the downward elevon will be d...

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by phugoid1982
Sat Mar 14, 2020 12:07 am
Forum: Technical/Operations
Topic: How do elevons work differentially to generate BOTH roll and pitch simultaneously?
Replies: 6
Views: 1313

How do elevons work differentially to generate BOTH roll and pitch simultaneously?

I understand the principle behind elevons on tailless delta wing aircraft and how they can be used as elevators or ailerons but how would they accomplish both say in a level turn where you would need need to pitch up to a higher alpha due to the reduced vertical component of Lift to balance weight. ...

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by phugoid1982
Sat Feb 01, 2020 6:24 pm
Forum: Civil Aviation
Topic: American Airlines Applies For More Havana Flights
Replies: 14
Views: 4557

Re: American Airlines Applies For More Havana Flights

Given that HAV traffic is mostly VFR and not frequency driven any chance AA will upgauge to a widebody for the route? The market is huge and I get that if the market becomes saturated due to overcapacity AA would rather lower capacity to keep those slots rather than relinquish them to another airlin...

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by phugoid1982
Fri Aug 23, 2019 4:52 pm
Forum: Civil Aviation
Topic: IAD Airport finally bounces back
Replies: 114
Views: 19823

Re: IAD Airport finally bounces back

I volunteer at the Smithsonian Udvar-Hazy center near dulles and love going up to the tower and watching approaches to the ones (1L,1C,1R) when all of them are in use simultaneously. Absolutely brilliant runway layout. On the other hand, everytime I go to spot at Gravelly point near Reagan I feel li...

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by phugoid1982
Fri Aug 16, 2019 7:38 pm
Forum: Civil Aviation
Topic: Ural Airlines A321 VQ-BOZ 15 august 2019 Moscow emergency landing
Replies: 191
Views: 35883

Re: Ural Airlines A321 VQ-BOZ 15 august 2019 Moscow emergency landing

Haha. Of course. You know, I'm getting tired of the constant Sully adulation. I'm not taking away from his actions and to certain extent i feel it is more part of the hero obsessive culture in the US but he is everywhere now with the books, speaking engagements, even writing political op eds. I hop...

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by phugoid1982
Fri Aug 16, 2019 1:36 pm
Forum: Civil Aviation
Topic: Ural Airlines A321 VQ-BOZ 15 august 2019 Moscow emergency landing
Replies: 191
Views: 35883

Re: Ural Airlines A321 VQ-BOZ 15 august 2019 Moscow emergency landing

What makes this heroic pilots' actions much more impressive is that he did not begin a career in aviation till well into his 30s and had only 3000 hrs. I call fake. Only pilots with >20,000 hours and from the world's best aviation safety culture can pull off these things. :duck: Haha. Of course. Yo...

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by phugoid1982
Fri Aug 16, 2019 12:25 pm
Forum: Civil Aviation
Topic: Ural Airlines A321 VQ-BOZ 15 august 2019 Moscow emergency landing
Replies: 191
Views: 35883

Re: Ural Airlines A321 VQ-BOZ 15 august 2019 Moscow emergency landing

What makes this heroic pilots' actions much more impressive is that he did not begin a career in aviation till well into his 30s and had only 3000 hrs. This coupled with the fact they were also much lower when this happened this is much more impressive than the "Miracle on the Hudson" to m...

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by phugoid1982
Sun Aug 11, 2019 1:37 pm
Forum: Civil Aviation
Topic: S7 flight runs off end of runway, barely takes off
Replies: 84
Views: 24024

Re: S7 flight runs off end of runway, barely takes off

I wonder if a 757 could've made that intersection take/off with a similar incorrect FLEX thrust setting with its superior acceleration performance. It looks like it was a short hop anyway, barely 750 miles but I don't know if they were carrying fuel for the return flight as well in terms of take/off...

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by phugoid1982
Fri Jul 05, 2019 7:12 pm
Forum: Military Aviation & Space Flight
Topic: Chengdu J-20 potential DPRK export?
Replies: 41
Views: 7955

Chengdu J-20 potential DPRK export?

Although the Chinese have previously claimed that the J-20 is off limits for export, is there any possibility a few might be surreptitiously sent to North Korea to stir the geopolitical pot?

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by phugoid1982
Thu Jun 13, 2019 1:24 pm
Forum: Civil Aviation
Topic: Brown Bear Walks Through Airport Security Check Point
Replies: 59
Views: 9676

Re: Brown Bear Walks Through Airport Security Check Point

https://www.google.com/amp/s/amp.usatod ... /801970001
-->

Aww! Magnificent creature. Reminds me of the time a super cute 450 lb bearded seal ended up blocking the runway at Barrow airport in Alaska.

https://www.google.com/amp/s/amp.usatod ... /801970001

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by phugoid1982
Fri May 24, 2019 12:11 pm
Forum: Civil Aviation
Topic: Boeing 737MAX Grounded Worldwide Q2 2019
Replies: 3768
Views: 419723

Re: Boeing 737MAX Grounded Worldwide Q2 2019

European lifting of the grounding could take a while. They are going to be doing a full internal review of the MAX. https://www.eurocockpit.be/news/boeings-max-return-service-we-need-answers-and-transparency really good news! Gesendet von meinem SM-G950F mit Tapatalk I really don't understand why t...

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by phugoid1982
Fri May 17, 2019 12:59 pm
Forum: Civil Aviation
Topic: Why did the Soviets never try making a domestic twin IL-96 using the Lotarev D-18T engine similar to the A330 and A340?
Replies: 25
Views: 6207

Re: Why did the Soviets never try making a domestic twin IL-96 using the Lotarev D-18T engine similar to the A330 and A3

Thanks for all the replies. To clarify I was thinking the twin engined IL-96 being developed simultaneously with the long range variant in the mid 80's when the Soviets where starting to pay attention to efficiency before the collapse and subsequent collapse of the domestic air travel market. The D-...

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by phugoid1982
Thu May 16, 2019 3:40 pm
Forum: Civil Aviation
Topic: Why did the Soviets never try making a domestic twin IL-96 using the Lotarev D-18T engine similar to the A330 and A340?
Replies: 25
Views: 6207

Why did the Soviets never try making a domestic twin IL-96 using the Lotarev D-18T engine similar to the A330 and A340?

I was rather bored this morning thinking of the whole quads vs. twins debate and wondered why the Soviets never attempted to use the higher thrust Lotarev D18T engine used on the AN-124 and An-225 on the IL-96? I did some calculations matching the engine out climb performance of a twin engined IL-96...

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by phugoid1982
Sun May 05, 2019 9:21 pm
Forum: Civil Aviation
Topic: Updated: Aeroflot 1492 SSJ100 fire at Moscow (SVO) - 40+ confirmed dead
Replies: 832
Views: 158137

Re: Aeroflot SSJ100 on fire at Moscow (SVO)

That footage of of the bounce on landing and subsequent fire sent shivers down my spine! An absolute tragedy and my thoughts are with the victims. I hope this doesn't lead to the usual barrage of anti Russian aircraft comments before we know anything substantive but we'll see.

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by phugoid1982
Thu Mar 21, 2019 1:00 pm
Forum: Civil Aviation
Topic: Ethiopian Airlines 737MAX crashes enroute to Nairobi Q1 2019
Replies: 5479
Views: 753319

Re: Ethiopian Airlines 737MAX crashes enroute to Nairobi

I wonder if the 737MAX flight computers are susceptible to this similar corruption of data and coupled with MCAS activating without any aural/visual warnings could have contributed to the crash. https://en.wikipedia.org/wiki/Qantas_Flight_72/ Yes, some people have speculated that the AoA sensor its...

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by phugoid1982
Thu Mar 21, 2019 2:31 am
Forum: Civil Aviation
Topic: Ethiopian Airlines 737MAX crashes enroute to Nairobi Q1 2019
Replies: 5479
Views: 753319

Re: Ethiopian Airlines 737MAX crashes enroute to Nairobi

Was just watching an episode of air crash investigation that detailed the events surrounding Qantas flight 72, an A330. It's a similar case where the pilots were in level flight, received multiple failure warnings and the plane nosed down. The PIC managed to recover given the altitude but then the c...

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by phugoid1982
Wed Mar 20, 2019 2:29 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

It is starting to look likely that MAX will not be allowed to fly in Canadian airspace for several months, Ditto in European airspace, How will airlines adapt to loss of use of their MAX aircraft (and non-delivery of extra lplanned lift)? What will Boeing do with scheduled production that will not ...

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by phugoid1982
Wed Mar 20, 2019 2:03 pm
Forum: Civil Aviation
Topic: MC-21 Development Thread
Replies: 521
Views: 150655

Re: MC-21 Development Thread

I find it interesting that the US has decided to wave their Sanctions Wand in the direction of the MC21 to disrupt it's production. The MC21 has plenty of US components so I would have expected them to figure it was in their interests to see the MC-21's go into production as soon as possible. But o...

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by phugoid1982
Tue Mar 19, 2019 3:09 pm
Forum: Civil Aviation
Topic: MC-21 Development Thread
Replies: 521
Views: 150655

Re: MC-21 Development Thread

https://www.compositesworld.com/news/mc-21-airliner-faces-one-year-delay-due-to-us-sanctions " The Russian airliner schedule will reportedly be delayed until 2021 as U.S. sanctions have interrupted the supply of composite materials for the aircraft. " " The sanctions are said to have...

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by phugoid1982
Sun Mar 17, 2019 2:19 pm
Forum: Civil Aviation
Topic: MC-21 Development Thread
Replies: 521
Views: 150655

Re: MC-21 Development Thread

Great looking plane. That TSAGI designed wing is amazing. They had the largest wind tunnel in the world for the longest time. I find it annoying with all the politics, few people are aware of just how innovative this plane is especially with the out of autoclave manufacturing. Not to deviate from th...

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by phugoid1982
Sat Mar 16, 2019 1:36 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

And whilst these planes are grounded wouldn't it be a good time to train pilots across the world the differences in what the switches are and do. How stuff is supposed to work etc. So if the planes ever do fly again they don't just get thrown into them cold or feeling unprepared Get them all on tra...

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by phugoid1982
Sat Mar 16, 2019 1:08 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

I find the most interesting part is that pilots experienced an uncommanded nose down motion with AP engaged, when MCAS description says the system is not active with AP engaged. I noticed that as well. It seems MCAS has authority even in non-manual flight regime. The fact that when the pilots disco...

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by phugoid1982
Sat Mar 16, 2019 12:40 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

4) This is the harshest-judgment report, in which the captain condemns Boeing for the insufficiency of the documentation. ASRS summary: “B737MAX Captain expressed concern that some systems such as the MCAS are not fully described in the aircraft Flight Manual.” ACN: 1593017 Time / Day Date : 201811...

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by phugoid1982
Fri Mar 15, 2019 9:21 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

Static stability becoming relaxed/unstable has nothing to do with the empennage - so increasing the size of the elevators is not an avenue of escape. Probably nor is any other active alternative to MCAS - as certifiers may deem it susceptible to new issues in a similar vein to MCAS - indeed I think...

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by phugoid1982
Fri Mar 15, 2019 5:30 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

I understand the presumption, however cert requirements for stall characteristics are very very clear, and I afraid that this is what was driving necessity for MCAS and not unified pilot training. Having said that I am not clear how would this still be acceptable since disabling MCAS for various re...

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by phugoid1982
Fri Mar 15, 2019 3:51 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

I just read an article on AP regarding the FAA delegating so much certification work to the manufacturer because of a lack of resources and so as to focus on "safety critical issues". I was appalled that in the 80's the FAA did 70-75% and by the time the 747-400 came out in 89 Boeing did ...

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by phugoid1982
Fri Mar 15, 2019 3:28 pm
Forum: Civil Aviation
Topic: B737MAX Grounded Worldwide Q1 2019
Replies: 6476
Views: 757289

Re: B737MAX Grounded Worldwide

I just read an article on AP regarding the FAA delegating so much certification work to the manufacturer because of a lack of resources and so as to focus on "safety critical issues". I was appalled that in the 80's the FAA did 70-75% and by the time the 747-400 came out in 89 Boeing did 9...

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by phugoid1982
Thu Mar 14, 2019 2:19 pm
Forum: Civil Aviation
Topic: Ethiopian Airlines 737MAX crashes enroute to Nairobi Q1 2019
Replies: 5479
Views: 753319

Re: Ethiopian Airlines 737MAX crashes enroute to Nairobi

"Software patch" seems like a band aid. I don't feel like going through this whole thread but has Boeing even considered adding a third AOA probe to adjudicate AOA discrepancies?

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by phugoid1982
Tue Mar 12, 2019 9:08 pm
Forum: Civil Aviation
Topic: Ethiopian Airlines 737MAX crashes enroute to Nairobi Q1 2019
Replies: 5479
Views: 753319

Re: Ethiopian Airlines 737MAX crashes enroute to Nairobi

If I remember correctly, the MD-11 was designed to have a much smaller static margin and thus much less trim drag to improve fuel efficiency which made it a big more difficult to handle especially during landing hence the multiple landing accidents. It seem like the quest for greater and greater ef...

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