Search found 452 matches

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by rjsampson
Tue Sep 22, 2020 1:14 am
Forum: Technical/Operations
Topic: 757 vs. 767 lights
Replies: 15
Views: 2206

Re: 757 vs. 767 lights

Max, seven47 (or anyone else with the experience): Given that you have flown both types: Both the 757 and 767 are truly outstanding aircraft and a delight to operate I currently fly the 757F and the 767F I'm curious if you have any thoughts on the question I asked earlier: A 75/76 driver once told m...

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by rjsampson
Mon Sep 21, 2020 6:21 pm
Forum: Technical/Operations
Topic: 757 vs. 767 lights
Replies: 15
Views: 2206

Re: 757 vs. 767 lights

It's been years since I've heard this, but a 75/76 driver once told me that the yoke feel was different between the two. If I remember correctly, he said the 75 was "looser," requiring more range of deflection compared to the 76, which felt "tighter" to him. Can anyone confirm/de...

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by rjsampson
Thu Sep 10, 2020 7:53 pm
Forum: Technical/Operations
Topic: Do all aircraft(heavier than a set weight) have a Level-D motion sim?
Replies: 12
Views: 1031

Re: Do all aircraft(heavier than a set weight) have a Level-D motion sim?

I'm curious if anyone knows the answer posed in the OP's subject line: Do all aircraft (heavier than a set weight) have a Level-D motion sim? I would imagine part of that answer would be dictated by a point where the cost of training in the actual aircraft exceeds the cost of a sim. Does anyone have...

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by rjsampson
Thu Sep 10, 2020 6:13 pm
Forum: Technical/Operations
Topic: Boeing 727 flap sequence
Replies: 26
Views: 1939

Re: Boeing 727 flap sequence

Oh man, the hearing I have left picked up those darn B pumps that trashed my hearing to begin with in that video lol. It's gone full circle. I seem to recall you were coming off the Lear 2x, and then were subsequently exposed to the B pumps? Yikes. At least you have an excuse for not hearing your w...

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by rjsampson
Tue Aug 11, 2020 3:56 am
Forum: Technical/Operations
Topic: Electrical airplanes in Norway technically possible by 2025?
Replies: 59
Views: 3943

Re: Electrical airplanes in Norway technically possible by 2025?

Not to mention Pilot's Unions.... Good luck pushing Single Pilot operations through the multitude of those and their nuanced contracts. I'm not a knee-jerk reactionary to changes (of course I'd fly on the MAX when it re-enters service). I honestly would never fly on a single-pilot jetliner. Not 10, ...

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by rjsampson
Mon Aug 10, 2020 6:06 am
Forum: Technical/Operations
Topic: Electrical airplanes in Norway technically possible by 2025?
Replies: 59
Views: 3943

Re: Electrical airplanes in Norway technically possible by 2025?

Indeed. We are likely to see single pilot large airliners in the next 10-15 years. Arch: You are one of the absolute best contributors to these forums. Your experience, insight, and selflessness in contributing to so many threads... We're lucky for your consistent on-point knowledge. But *large* ai...

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by rjsampson
Sat Aug 01, 2020 9:08 pm
Forum: Travel, Polls & Preferences
Topic: Can anyone tell me why KSAN was running reverse operations this morning?
Replies: 1
Views: 413

Can anyone tell me why KSAN was running reverse operations this morning?

Noticed this morning all takeoffs and landings were going East.

There was an ever-so-slight marine layer; I briefly looked at a METAR, and it sure looked like solid VFR. Winds seemed calm.

I suppose those more qualified would be able to determine conditions.

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by rjsampson
Thu Jul 09, 2020 5:58 pm
Forum: Technical/Operations
Topic: PTU in Airbus?
Replies: 11
Views: 1529

Re: PTU in Airbus?

- A350: There are only two hydraulic systems, green and yellow. Both systems have two pumps, one in each engine. So if you lose an engine you retain all hydraulics. Backup hydraulics are supplied by self-contained hydraulic actuators, so there is no third "primary" system. The RAT does no...

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by rjsampson
Mon Jul 06, 2020 3:15 pm
Forum: Travel, Polls & Preferences
Topic: Is the A380 the Biggest Failure in Commercial Aviation History?
Replies: 51
Views: 3224

Re: Is the A380 the Biggest Failure in Commercial Aviation History?

So, specifically, what knowledge was gained from the design and manufacture of the Airbus A380 that would not have been achieved had the aircraft not been produced? And which specific aircraft, and particular systems, are using that knowledge? e38 I was wondering the same thing. Can anyone articula...

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by rjsampson
Tue Jun 16, 2020 7:01 pm
Forum: Technical/Operations
Topic: Stargazer L1011, the one and only Tristar flying
Replies: 7
Views: 2654

Re: Stargazer L1011, the one and only Tristar flying

About 4 months ago, I saw an L-1011 at MCI. Does anyone know which aircraft that was? Is it airworthy?

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by rjsampson
Tue Jun 02, 2020 5:53 am
Forum: Travel, Polls & Preferences
Topic: Rare and Short Lived Airline/Aircraft Combinations
Replies: 101
Views: 8704

Re: Rare and Short Lived Airline/Aircraft Combinations



The Convair 880 was operated by DAL its then new "widget" livery for about a year before being retired 1972. For most of its service life, it was painted in Delta's previous livery:

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by rjsampson
Tue Jun 02, 2020 5:39 am
Forum: Technical/Operations
Topic: A fighter providing support for a commercial aircraft?
Replies: 16
Views: 2489

Re: A fighter providing support for a commercial aircraft?

There's a YouTube video using LiveATC in which an airliner with severe controlability issues in which it was escorted by scrambled F-16 fighters throughout its (ultimately successful) landing. It's late where I am, so I'll get to it tomorrow.

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by rjsampson
Wed May 27, 2020 6:27 am
Forum: Technical/Operations
Topic: Shuttle plane
Replies: 11
Views: 3298

Re: Shuttle plane

I flew the Carvair (Interocean), during a 9 month stint in Congo, circa 1963. Actually a pretty nice aircraft for its time. Sort of a 747 with props. Wow, Bravo... What I wouldn't give to buy you some beers and just ask about your career! Have you ever considered writing a book? I guarantee you you...

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by rjsampson
Wed May 27, 2020 5:58 am
Forum: Travel, Polls & Preferences
Topic: Will Amazon Airlines ever use the 757?
Replies: 19
Views: 2157

Re: Will Amazon Airlines ever use the 757?

Haven't a lot of the "Prime Air" flights actually been contracted out re-badged to other cargo carriers (e.g. Atlas Airlines)?

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by rjsampson
Mon May 18, 2020 6:11 am
Forum: Technical/Operations
Topic: Can the A359 Do JNB-ATL for DL With Meaningful Cargo?
Replies: 98
Views: 10745

Re: Can the A359 Do JNB-ATL for DL With Meaningful Cargo?

A few things at play here, the 77L for DL had Goodyear specialize tires to increase the tyre speed limit slightly. The only time we could say the 359 might proverbially “struggle” is for a few weeks in the winter. But the rest of the time I agree it will preform better. That's interesting... I beli...

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by rjsampson
Mon May 18, 2020 5:49 am
Forum: Technical/Operations
Topic: RR CTi Fan Colour
Replies: 5
Views: 1216

Re: RR CTi Fan Colour

The turquoise color is inherent in the CTi formulation so... yes, these will be in the production engines and no, multiple colors would not be an option, nor is this for marketing purposes. It's funny, because I was curious about this a couple of years ago too. So I tried to reach out to multiple RR...

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by rjsampson
Fri May 15, 2020 5:49 am
Forum: Technical/Operations
Topic: Parking airliners on soft ground
Replies: 10
Views: 2366

Re: Parking airliners on soft ground

https://www.lotustechnologies.dev/wp-co ... 5/sink.jpg
-->

Florianopolis wrote:
Airplanes sink into "hard" pavement all the time, too. Asphalt in particular.


Case in point:

https://www.lotustechnologies.dev/wp-co ... 5/sink.jpg

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by rjsampson
Fri May 15, 2020 5:43 am
Forum: Technical/Operations
Topic: What happens to the retired aircraft?
Replies: 6
Views: 1346

Re: What happens to the retired aircraft?

I hate to be the guy to ask the "beer can" question. Some of my chemical engineer friends (not in the aviation industry) insist that scrapped "aviation grade" aluminium is never destined to hold beer. That said: A few have suggested otherwise. Is this just a euphamism? This is a ...

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by rjsampson
Fri Apr 24, 2020 6:50 am
Forum: Travel, Polls & Preferences
Topic: If the 737max is killed, will Boeing restart producing the 737NG ?
Replies: 38
Views: 4758

Re: If the 737max is killed, will Boeing restart producing the 737NG ?

jghealey, As has been discussed literally millions of times on this forum and elsewhere, passengers will have forgotten about the Max by the time it returns to service , especially now after covid-19 which will have been a huge distraction. It's already over a year since the max was properly in the ...

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by rjsampson
Fri Apr 24, 2020 6:32 am
Forum: Technical/Operations
Topic: Interesting 787 flaperon movements on takeoff
Replies: 8
Views: 1727

Interesting 787 flaperon movements on takeoff

Friends, Have a look at a passenger view of a JAL 787 taking off from SAN. After thrust is set, the flaperon fully extends, goes to neutral, deflects upwards, and cycles back down: https://youtu.be/nY-2Sp5YPEY?t=85 I've seen this takeoff from an external video -- and this flaperon movement is the sa...

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by rjsampson
Tue Apr 21, 2020 7:53 pm
Forum: Civil Aviation
Topic: Arrivals into JFK in holding patterns before landing today
Replies: 6
Views: 2542

Arrivals into JFK in holding patterns before landing today

Hope everyone is safe and doing well. Was just curious about what's going on in the skies of the US. I noticed that several arrivals into JFK today were in pretty substantial holding patterns for landing. Given how incredibly sparse the skies are: Why would this be necessary? I saw several aircraft ...

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by rjsampson
Fri Apr 17, 2020 7:43 pm
Forum: Technical/Operations
Topic: What made the 737 more "upgradable" than the 727?
Replies: 37
Views: 4535

Re: What made the 737 more "upgradable" than the 727?

The Super 27 mod did something similar. Valsan swapped out the #1 and #3 with larger JT8D-219 but kept the little 8 in the #2 slot.. The -219 gives a 4000 lb thrust boost. A FedEx buddy of mine who flew the Super 27 told me that extra 4,000 lb wasn't available on takeoff (where Stage III is enforce...

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by rjsampson
Fri Apr 17, 2020 7:35 pm
Forum: Technical/Operations
Topic: 757-200 range
Replies: 15
Views: 2864

Re: 757-200 range

Actually I believe the PW 2000 series has a little better fuel specifics than the RR aircraft BUT....that is offset be some other maintenance/reliabilty issues. Both are good engines. A far as Trump buying a RR product, I suspect that is more of his ego than anything else. :checkmark: Confirmed. He...

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by rjsampson
Fri Apr 10, 2020 12:00 am
Forum: Technical/Operations
Topic: Does reverse thrust actually decrease stopping distance?
Replies: 16
Views: 4234

Re: Does reverse thrust actually decrease stopping distance?

In regards to auto brakes are they always used or is there a place and time for using manual braking? I'm interested to know this, too. I was surprised when Starlion mentioned that the autobrakes presumably provide less force when reverse thrust is deployed. In said example of needing more stopping...

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by rjsampson
Tue Mar 31, 2020 7:03 am
Forum: Technical/Operations
Topic: Using passenger aircraft as freighters during this crisis
Replies: 20
Views: 4252

Re: Using passenger aircraft as freighters during this crisis

However, I meant there are passenger aircraft flying around with no passengers, carrying belly cargo only. That answers my question Arch, and thank you. From what I've gathered on these forums: Aircraft full of people and their bags under the floor (especially longhaul) have maybe 2-3% revenue gene...

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by rjsampson
Tue Mar 31, 2020 6:24 am
Forum: Travel, Polls & Preferences
Topic: What if the L1011 had beat DC-10 to market, and the RB211 program was flawless?
Replies: 31
Views: 4180

Re: What if the L1011 had beat DC-10 to market, and the RB211 program was flawless?

OK... GA and Galaxy answered my question pretty effectively, I do have another. Perhaps Galaxy and/or others may have insight into this. I cannot find a decent explanation on Google. What was the impetus for Lockheed to get back into the civil commercial airliner business with the L1011? If I recall...

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by rjsampson
Tue Mar 31, 2020 4:00 am
Forum: Technical/Operations
Topic: Using passenger aircraft as freighters during this crisis
Replies: 20
Views: 4252

Re: Using passenger aircraft as freighters during this crisis

Starlionblue wrote:
We've been doing this for weeks. Belly cargo only though.


Just to make sure I understand your statement correctly: Are airlines are making an effort to max out their belly cargo, on what (lightly boarded) flights are still in service? Do these involve new service agreements?

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by rjsampson
Tue Mar 31, 2020 3:26 am
Forum: Travel, Polls & Preferences
Topic: What if the L1011 had beat DC-10 to market, and the RB211 program was flawless?
Replies: 31
Views: 4180

Re: What if the L1011 had beat DC-10 to market, and the RB211 program was flawless?

No, and neither’s Douglas. The A300 and the B767 put paid to large wide bodies. Very good point. Douglas had NBs in the pipeline already to sustain them for a few more years; Lockheed must not have been interested in the "long game" for commercial aircraft, outside of their engineering ma...

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by rjsampson
Tue Mar 31, 2020 2:08 am
Forum: Travel, Polls & Preferences
Topic: What if the L1011 had beat DC-10 to market, and the RB211 program was flawless?
Replies: 31
Views: 4180

What if the L1011 had beat DC-10 to market, and the RB211 program was flawless?

Does anyone think that Lockheed would still be making commercial aircraft today?

...one can only dream!

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by rjsampson
Fri Mar 20, 2020 7:44 am
Forum: Technical/Operations
Topic: Feasibility/possibility of switching careers to become an ATC professional
Replies: 3
Views: 1380

Feasibility/possibility of switching careers to become an ATC professional

Let's call this a "thought experiment," As such, I have to distort one aspect of reality. If you will humor me: - Let's begin this premise that the current situation with Covid-19 doesn't/didn't/won't exist . It's commercial aviation as normal in Q3 2019 and is on the same trajectory. - An...

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by rjsampson
Mon Mar 16, 2020 2:20 am
Forum: Technical/Operations
Topic: Why would a test flight be flying low?
Replies: 19
Views: 1869

Re: Why would a test flight be flying low?

As I said in the first post, we do not see much of anything flying over. I think is unusual for a modern commercial jet to be flying that low anyway. It was odd. I was not asking for state secrets. I was wondering what, in general, they would be doing. I was not blaming anyone, I was not wanting cl...

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by rjsampson
Wed Mar 11, 2020 7:18 am
Forum: Civil Aviation
Topic: San Diego Aviation Thread - 2020
Replies: 662
Views: 73259

Re: San Diego Aviation Thread - 2020

Instead of Miramar, can a Temecula airport serve as a reliever airport for SAN, with some international flights moving there? Temecula isn’t that far and traffic on the 15 isn’t as bad. A new airport will not be built for commercial or any other purpose in Temecula. Perhaps you're referring to Fren...

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by rjsampson
Wed Mar 11, 2020 6:37 am
Forum: Civil Aviation
Topic: What was the rationale for 2-5-2 configuration on older widebodies?
Replies: 77
Views: 14404

Re: What was the rationale for 2-5-2 configuration on older widebodies?

I'm not understanding why the OP said it is safer to have 3-3-3? In 3-3-3, two pax per row have to climb over two people, while in 2-5-2, only one climbs, and he has a choice on which way to go. I was *assuming* (perhaps incorrectly, thereby making an @$$ of U + me) that 3-3-3 is safer than 2-5-2 s...

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by rjsampson
Wed Mar 11, 2020 12:22 am
Forum: Civil Aviation
Topic: Will Korean Air Be Shutting Down?
Replies: 105
Views: 33276

Re: Will Korean Air Be Shutting Down?

Agreed, but DL had so much cash they either invested or were at risk of a hostile takeover. lightsaber: Can you elaborate on how DL was at risk of a hostile takeover? I can't find any suggestions that DL was at such a risk. Hostile takeover from whom? How could they have possibly hoped to succeed i...

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by rjsampson
Wed Mar 11, 2020 12:15 am
Forum: Civil Aviation
Topic: What was the rationale for 2-5-2 configuration on older widebodies?
Replies: 77
Views: 14404

What was the rationale for 2-5-2 configuration on older widebodies?

For the life of me: I don't understand why widebodies weren't configured as 3-3-3 from the outset. (?) It's pretty obvious to the industry that not only is 3-3-3 more comfortable and easier for the crew to service -- but potentially having two passengers in order to exit/evacuate is unprecedented, a...

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by rjsampson
Tue Mar 10, 2020 5:56 pm
Forum: Travel, Polls & Preferences
Topic: Any US airport with glass jet-bridges like overseas?
Replies: 8
Views: 726

Re: Any US airport with glass jet-bridges like overseas?

Aforementioned smaller US airports aside: Why does the US generally eschew glass bridges?

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by rjsampson
Thu Feb 27, 2020 1:35 am
Forum: Travel, Polls & Preferences
Topic: 8 hour layover tonight at midnight. Any ideas?
Replies: 7
Views: 915

Re: 8 hour layover tonight at midnight. Any ideas?

Resurrecting an old thread here... I was talking to someone about aforementioned layover at LAS and the outcome. Didn't leave the airport, didn't sleep. What I DID do, however, is exactly what you should never do at LAS: Play (terrible odd) slots. Figured I'd put in a $20. After 4 pulls: I walked aw...

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by rjsampson
Tue Feb 25, 2020 8:45 pm
Forum: Travel, Polls & Preferences
Topic: Passenger Decision Making Survey
Replies: 8
Views: 635

Re: Passenger Decision Making Survey

Done! Hopefully, you're able to get survey responses from the general public as well. If so: In your paper, I would recommend keeping the results of this survey distinct, indicating that this dataset was generated from active aviation enthusiasts.

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by rjsampson
Wed Feb 19, 2020 5:45 pm
Forum: Technical/Operations
Topic: Flashlight for Line/Major maintenance
Replies: 24
Views: 2641

Re: Flashlight for Line/Major maintenance

I have to make another pitch for the NiteCore MH12GTS. I would steer clear of any torch that uses AAA batteries (e.g: a 18650 battery is a must) as it has a MUCH higher power density. Not only that: NiteCore's are built like tanks and will last forever. It's extremely compact, when needed has extrem...

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by rjsampson
Wed Feb 12, 2020 2:17 am
Forum: Technical/Operations
Topic: Strange probes on the A350
Replies: 20
Views: 2814

Re: Strange probes on the A350

Is the RAT what we're hearing on this video when DL 89 was dumping fuel? https://www.youtube.com/watch?v=zIrFNADfnj8 They wouldn't have needed the RAT. I think what you're hearing is a helicopter or something. Yeah, that was my initial thought (and that of pretty much everyone else, responding to p...

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by rjsampson
Mon Feb 10, 2020 8:18 pm
Forum: Technical/Operations
Topic: Turbofan Engine
Replies: 25
Views: 2822

Re: Turbofan Engine

Perhaps I’m old school: You use the word “urbersensitive.” I would use a different word: “polite.” ...sigh. Oh well. I appear to be in the minority on this. Polite as in "being polite to others and don't steal their time by doing your absolute basic homework yourself"? I guess you got me ...

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by rjsampson
Mon Feb 10, 2020 1:29 am
Forum: Technical/Operations
Topic: Turbofan Engine
Replies: 25
Views: 2822

Re: Turbofan Engine

Or we could stop to handle any issue at hand ubersensitive and just say things as they are. Well, clearly this thread has gone in a completely different direction and no longer has anything to do with “turbofans” and seems to be a back-and-forth about online decorum. Perhaps I’m old school: You use...

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by rjsampson
Mon Feb 10, 2020 1:20 am
Forum: Technical/Operations
Topic: Strange probes on the A350
Replies: 20
Views: 2814

Re: Strange probes on the A350

The hangar tests are possible the most annoying test I've ever heard on an airplane, especially the Airbus A320. In the old Delta four bay narrow body hangar the sound was deafening. Maddog, thank you so much for your response. TechOps at ATL? That sounds like it must’ve been “fun!” Just found a 77...

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by rjsampson
Sun Feb 09, 2020 5:12 pm
Forum: Technical/Operations
Topic: Strange probes on the A350
Replies: 20
Views: 2814

Re: Strange probes on the A350

I've never seen a RAT test. Just how loud is it? Audible within the cabin/cockpit? From an observer perspective: Would the RAT be the loudest noice emanating on a landing? And while I'm sure this varies by Type, airspeed, etc: What kind of RPM are we talking? Is the RPM governed to an upper-limit?

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by rjsampson
Sat Feb 08, 2020 4:02 am
Forum: Technical/Operations
Topic: Turbofan Engine
Replies: 25
Views: 2822

Re: Turbofan Engine

I agree with Franco there are way too many posts on here that can be answered with a little effort from the poster. In some cases they could find the info in less time then it takes to post here. As SAAFNAV being a AME or Engineer doing research is a big part of the job. Agreed, but WOW, SAAFNAV wa...

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by rjsampson
Wed Feb 05, 2020 7:48 pm
Forum: Travel, Polls & Preferences
Topic: What will be the next "Jet Age"
Replies: 10
Views: 591

Re: What will be the next "Jet Age"

In, say, 30-40-50 years: Do any of you see large space planes becoming economically viable for longhaul transport?

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by rjsampson
Mon Feb 03, 2020 11:22 pm
Forum: Technical/Operations
Topic: Mechanics of the Parking Brake
Replies: 16
Views: 1878

Re: Mechanics of the Parking Brake

So, given that the brakes don't necessarily need to be held down (and this being an Airbus): I'm guessing that when you turn the parking brake knob: This is in effect "parking brake Set by Wire?" And how long would the accumulator be able to hold hydraulic pressure (not that aircraft stay ...

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by rjsampson
Mon Feb 03, 2020 8:05 pm
Forum: Technical/Operations
Topic: Mechanics of the Parking Brake
Replies: 16
Views: 1878

Mechanics of the Parking Brake

I've always wondered how exactly the Parking Brake works, and suspect the mechanism could be different among aircraft types. Unlike, say, a car's parking brake: Pilots are not using any mechanical force to engage so: I would assume they are hydraulically actuated? If in fact that is the case: How is...

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by rjsampson
Mon Feb 03, 2020 6:47 am
Forum: Technical/Operations
Topic: Flashlight for Line/Major maintenance
Replies: 24
Views: 2641

Re: Flashlight for Line/Major maintenance

[DOUBLE POST DELETED]

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by rjsampson
Mon Feb 03, 2020 6:25 am
Forum: Technical/Operations
Topic: Flashlight for Line/Major maintenance
Replies: 24
Views: 2641

Re: Flashlight for Line/Major maintenance

Built-in charging is a must for me. The Sondiko does have it according to the description. Stalionblue is unique among pilots in this forums in that he lives in the "Danger Zone!" and may want just such a device. So, just for you: I'll order one for myself and report back. I messaged my g...

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