Search found 3190 matches

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by Dalmd88
Thu Sep 16, 2021 7:46 pm
Forum: Technical/Operations
Topic: Delta TechOps Line Technician
Replies: 8
Views: 706

Re: Delta TechOps Line Technician

All bids now have a 2 year min stay unless you bid up. A lot of the hard to fill stations tend to like to hire locals. There is less chance of losing an AMT to a transfer bid after the 2 years. System wide there is an influx of new hires now. In ATL at the TOC we have a lot of contractors on a Poten...

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by Dalmd88
Mon Sep 13, 2021 3:02 pm
Forum: Technical/Operations
Topic: Personal items left onboard American Airlines flight
Replies: 5
Views: 949

Re: Personal items left onboard American Airlines flight

when I worked Line MTC the mechanics were usually on board the overnight airplanes before the cleaning crew. I always walked the cabin as one of the first things I did on an overnight airplane. My main personal goal was to find the new reading material that was left. I was always on the look out for...

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by Dalmd88
Mon Sep 13, 2021 2:47 pm
Forum: Civil Aviation
Topic: Air Canada Toronto - Atlanta - Miami 787 run
Replies: 9
Views: 2193

Re: Air Canada Toronto - Atlanta - Miami 787 run

I have seen that with the pandemic, many such cargo flights have sprung up around the world, many utilizing passenger aircraft aka preighters. What I wonder about is where these cargo needs were before the pandemic, or are they now necessitating such aircraft use because of reduced passenger flight...

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by Dalmd88
Sat Sep 04, 2021 12:40 pm
Forum: Civil Aviation
Topic: Eastern Airlines launches Eastern Air Cargo
Replies: 109
Views: 12236

Re: Eastern Airlines launches Eastern Air Cargo

One poster has said "Removing seats, galleys and lavatories doesn't happen overnight". From my heavy mtc experience it actually does happen overnight. The cabin would not be ready for cargo, but a motivated crew can strip the cabin of seats and galleys in just a couple of shifts. It's not ...

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by Dalmd88
Sun Aug 29, 2021 7:26 pm
Forum: Technical/Operations
Topic: Airplane Air Circulation Questions
Replies: 10
Views: 1641

Re: Airplane Air Circulation Questions

At the gate, power is being provided by the jetway. Most airports also have a conditioned air hose or two that supply air directly to the aircraft ducting. During taxi there is more than enough air volume from a single engine at idle to cool and provide fresh air. When sitting a during a delay the c...

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by Dalmd88
Tue Aug 24, 2021 9:37 am
Forum: Civil Aviation
Topic: Rumor: Delta 330 order
Replies: 136
Views: 34096

Re: Rumor: Delta 330 order

Which use an engine that DL doesn’t use. I can’t see DL picking up a 3rd A330ceo engine type. Always did wonder to what degree (if any) that would be mitigated by the RRs on the A339s. Can anyone more familiar with ops/MRO chime in as to whether they share sufficient design/parts with T700 as to be...

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by Dalmd88
Mon Aug 23, 2021 9:25 pm
Forum: Technical/Operations
Topic: Does the DC-10 nose gear strut not meet the ground at a 90 degree angle?
Replies: 12
Views: 1431

Re: Does the DC-10 nose gear strut not meet the ground at a 90 degree angle?

And changing wheels without a jack. Not that anyone would ever use disobey an AMM. Interesting! with all the weight on the wheels, how does that work exactly? Deflate the tire, replace with a deflated tire, re-inflate? Easy, turn on hydraulics, steer the nose to the good tire. Throw a chalk under i...

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by Dalmd88
Mon Aug 23, 2021 9:16 pm
Forum: Technical/Operations
Topic: "Silver dollar patch"?? MD-95 /Boeing 717
Replies: 5
Views: 1161

Re: "Silver dollar patch"?? MD-95 /Boeing 717

Never heard that before but I would guess it is a typical small round sheemetal repair. Many small dents are repaired with a patch that is about the size of a silver dollar or the end of a aluminum can.

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by Dalmd88
Thu Aug 19, 2021 7:39 pm
Forum: Technical/Operations
Topic: MD-80 Series Winglets?
Replies: 8
Views: 1723

Re: MD-80 Series Winglets?

I don't think there were any winglet mods for any of the MD80/90 series.

There was a short lived mod for the 727. I recall Delta tried them for a short while.

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by Dalmd88
Mon Aug 02, 2021 1:37 pm
Forum: Technical/Operations
Topic: Embraer E-jet questions.
Replies: 8
Views: 1496

Re: Embraer E-jet questions.

The buzz you hear is likely a seal issue. As Zeke said, possibly some debris in the door frame. The seal is good but there is something preventing it to seal at lower differential pressures. The place to look is the frame surface of the fuselage. Many aircraft have body filler in the seal area to ma...

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by Dalmd88
Sun Jul 25, 2021 2:39 pm
Forum: Technical/Operations
Topic: When did TWA start putting those big black stripe ice detectors on their aircraft wings?
Replies: 13
Views: 2046

Re: When did TWA start putting those big black stripe ice detectors on their aircraft wings?

MD80's had a major problem with wing surface ice. And yes it could cause an engine out if ingested. The inboard section of the wing could form a layer of ice just sitting at the gate on a warm humid day. The remaining fuel from the inbound fight was super cooled and was all in the inboard end of the...

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by Dalmd88
Sun Jul 25, 2021 2:19 pm
Forum: Civil Aviation
Topic: A321 Tire Replacement
Replies: 18
Views: 6010

Re: A321 Tire Replacement

One dumb question: does airline usually equipped their aircraft with spare tires whenever they fly to an outstation? Might cost them some money in weight and potential cargo space, but it'll really helpful in a case like this. CMIIW, I heard that airlines are actually friendly to each other in term...

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by Dalmd88
Fri Jul 23, 2021 7:32 pm
Forum: Civil Aviation
Topic: Updated: Used Delta Aircraft Purchase A359/737-900ER
Replies: 766
Views: 195422

Re: Updated: Used Delta Aircraft Order A359/737-900ER

Question for the Tech Ops.guys. Does Delta need to wait for the FAA sign off on the mods they do to the first Lion Air ac. before they start mods on the ensuing ac.? Thanks No, as long as the cabin outfitting is identical to the ones currently in the fleet. If they didn't deactivate the mid cabin e...

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by Dalmd88
Sun Jul 18, 2021 2:20 pm
Forum: Technical/Operations
Topic: Pratt and Whitney JT8D Production
Replies: 6
Views: 1419

Re: Pratt and Whitney JT8D Production

This Wikipedia article states that regular JT8D production ended in 1985? But how is that possible when the last MD-80 was delivered in 1999 and I'm sure airlines still needed replacement engines up until recently? Is the article wrong? And if so, when would the last ones have been built? Thank you...

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by Dalmd88
Sun Jul 18, 2021 2:03 pm
Forum: Civil Aviation
Topic: Updated: Used Delta Aircraft Purchase A359/737-900ER
Replies: 766
Views: 195422

Re: Updated: Used Delta Aircraft Order A359/737-900ER

Don't these LionAir 739s have a door aft of the wing where as DL only has a plug? Even when the door is plugged, the opening is still there. DL will just swap the door for a plug. The 'plug' is actually the deactivated door with a blank interior panel covering the opening. That door is only intende...

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by Dalmd88
Sat Jul 17, 2021 2:24 pm
Forum: Technical/Operations
Topic: Pratt and Whitney JT8D Production
Replies: 6
Views: 1419

Re: Pratt and Whitney JT8D Production

This Wikipedia article states that regular JT8D production ended in 1985? But how is that possible when the last MD-80 was delivered in 1999 and I'm sure airlines still needed replacement engines up until recently? Is the article wrong? And if so, when would the last ones have been built? https://e...

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by Dalmd88
Sun Jun 27, 2021 1:52 pm
Forum: Civil Aviation
Topic: Airlines vaccinating their personnel/staff
Replies: 62
Views: 7191

Re: Airlines vaccinating their personnel/staff

Delta has been giving employees vax on site in many of the stations. We even had a public state mass drive though site at the General Offices back in the winter. I think it was the first State site to open up. There has been no get it or lose your job threats. Only strong encouragement Including pay...

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by Dalmd88
Sun Jun 06, 2021 7:41 pm
Forum: Civil Aviation
Topic: "Delta's 757s are their biggest liability"
Replies: 100
Views: 21833

Re: "Delta's 757s are their biggest liability"

Heh, would be cool if the 757s got the DC9 treatment and flew in modest numbers (even just 30 or 40) past 2030. Possible? Probably, unless fuel becomes an issue. The 757 fleet did get a complete interior overhaul just a few years ago when they were converted to a standard 199 pax config. All new ov...

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by Dalmd88
Wed Jun 02, 2021 8:39 pm
Forum: Technical/Operations
Topic: Retro-jet maintenance
Replies: 8
Views: 2652

Re: Retro-jet maintenance

There really isn't much to keeping the bare aluminum nice. Just a lot of manpower. It's just a pneumatic driven buffer with a very light polishing compound. It's similar to what is used when a car is detailed. It is a mind numbing task in my eyes. I worked a maintenance contract once where we had to...

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by Dalmd88
Mon May 24, 2021 8:43 pm
Forum: Technical/Operations
Topic: Post retirement…options
Replies: 22
Views: 3889

Re: Post retirement…options

I'm in the same age group. My plan is very much like fr8mech. When my window to retire opens in 7-8 years I'm out if it make financial sense. My wife will still be working. We plan on moving to a more retirement friendly area where she can still work remotely and I can do what ever. I do not intend ...

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by Dalmd88
Sat May 22, 2021 2:43 pm
Forum: Civil Aviation
Topic: Trump's Parked 757 N757AF
Replies: 135
Views: 41994

Re: Trump's Parked 757 N757AF

The plane is 30 years old and is probably unlikely to return to service. Let's avoid political rhetoric Given this was Paul Allens plane then Trumps. How many cycles does this plane have? I bet it is very low for a 30 year old plane. I bet the limitations are how long Boeing supports the 757 and Ro...

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by Dalmd88
Mon May 10, 2021 8:00 pm
Forum: Technical/Operations
Topic: Which planes run out of engine hours first
Replies: 17
Views: 5450

Re: Which planes run out of engine hours first

Yes, EGT is Exhaust Gas Temp. It's a parameter that can gauge the health of an engine. Each engine model has a max EGT limit for normal operation. On a test run the EGT is recorded at max power. The engine has to make full max rated power with an EGT temp lower than max temp. If it doesn't then the ...

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by Dalmd88
Thu May 06, 2021 9:38 pm
Forum: Civil Aviation
Topic: Delta Fleet Thread - 2021
Replies: 1270
Views: 271609

Re: Delta 757s without winglets?

Some of the non winglet 757 are not approved for winglets. Structural repairs to the wing skin or interior can make the plane not approved for the mod. The winglet adds a lot of load to the wing. Yes, there is a lot of modification that takes place inside the wing as part of the package, but sometim...

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by Dalmd88
Sat Apr 24, 2021 4:00 pm
Forum: Technical/Operations
Topic: Why can a pax stand upright in downstairs toilets?
Replies: 10
Views: 4132

Re: Why can a pax stand upright in downstairs toilets?

One thing to remember is in a cargo bin area of the belly you have the container handling system installed in the floor. that takes up at least 6-8" (15-20mm). So if you were to put a permanent crew structure or passenger lav in that space the floor can be lower in the bilge area. There is a lo...

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by Dalmd88
Sat Apr 24, 2021 3:47 pm
Forum: Civil Aviation
Topic: Delta Orders Another 25 A321 NEO + 25 Options
Replies: 161
Views: 28526

Re: Delta Orders Another 25 A321 NEO + 25 Options

As I recall, Delta made a deal with P&W to be an MRO for the P&W geared turbofan engines on the A220s and A320 NEOs, but couldn't get a similar deal with CFM for the engines used on the B-737Max. As such, it would seem Delta is highly likely to buy A320NEO aircraft instead of B-737Max for t...

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by Dalmd88
Tue Apr 20, 2021 2:48 pm
Forum: Technical/Operations
Topic: Commuting Logistics for Airport Employees
Replies: 22
Views: 4291

Re: Commuting Logistics for Airport Employees

When I worked BOS Line MTC we had three options when I started. Free commuter bus service run by the airport authority from the public paid park and ride lots in the suburbs. The airline paid for the monthly parking pass and bus vouchers. Option B was drive to the airport and park in a company lot. ...

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by Dalmd88
Sun Apr 11, 2021 2:43 pm
Forum: Civil Aviation
Topic: Will airlines require COVID vaccine for employees?
Replies: 226
Views: 19679

Re: Will airlines require COVID vaccine for employees?

Companies don't have much to stand on currently to make it mandatory to have a vaccine. All of the vaccines are currently only approved for emergency use. They are considered experimental. Even the US military can not mandate that emergency use vaccines are required. I highly doubt that even when th...

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by Dalmd88
Sat Mar 20, 2021 3:31 pm
Forum: Technical/Operations
Topic: Why are engines on planes changed so often?
Replies: 18
Views: 3882

Re: Why are engines on planes changed so often?

Doing it by the book, how long to remove an engine? How long to replace one? A crew I worked on could do a 757 engine change in less than a 10 our overnight shift. Towed into the hangar at the start of the shift and pushing out for the engine runs right near the end. That was fully prepped QEC chan...

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by Dalmd88
Sat Mar 20, 2021 3:10 pm
Forum: Technical/Operations
Topic: How are aircraft scheduled for major airlines?
Replies: 4
Views: 1439

Re: How are aircraft scheduled for major airlines?

Aircraft routing is usually set three days out. In reality it is fluid up until the flight happens. Like other have said the big events are planned out months or weeks ahead, while daily events like a certain tail number needs a Service Check or has an MEL that needs to be addressed get planned out ...

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by Dalmd88
Sat Feb 27, 2021 2:55 pm
Forum: Civil Aviation
Topic: Single Delta 737 parked since 2019
Replies: 23
Views: 7274

Re: Single Delta 737 parked since 2019

But if the engines were coming due and it was parked due to an upcoming engine overhaul, how to explain somebody else's assertion that they took the engines off it and used them on another aircraft? Where are the engines if that isn't what happened? Did they send them for overhaul? But -- wait -- t...

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by Dalmd88
Wed Jan 27, 2021 10:13 am
Forum: Military Aviation & Space Flight
Topic: Metroliner and RC-135 over LAS
Replies: 4
Views: 1552

Re: Metroliner and RC-135 over LAS

The Metro would indicate a counter drug mission. I think those are ANG aircraft are still regulated to only do counter drug missions. They were when they first came out. I worked on them during the launch at three different bases. It's officially just a C-26B. I don't think they ever gave it the RC ...

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by Dalmd88
Fri Jan 22, 2021 10:53 pm
Forum: Civil Aviation
Topic: Why no second commercial airport for Atlanta?
Replies: 186
Views: 22889

Re: Why no second commercial airport for Atlanta?

From an out of stater, I don’t consider LZU part of Atlanta. To me, and solely in my opinion, it’s look to be too far away from Atlanta. Kinda like Tampa and Lakeland or Ft Myers and Punta Gorda. Allegiant would be the only player, in my opinion, to go. Allegiant loves those small little airports t...

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by Dalmd88
Thu Jan 21, 2021 9:13 pm
Forum: Civil Aviation
Topic: Why no second commercial airport for Atlanta?
Replies: 186
Views: 22889

Re: Why no second commercial airport for Atlanta?

Y'all let me know where you can put an airport in the Atlanta area close to, or the same distance, from the business district as ATL... This is the biggest thing. If you're coming to Atlanta, you really can't beat where Hartsfield is - the fact that it's inside the perimeter (aside from that one li...

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by Dalmd88
Sun Jan 17, 2021 3:05 pm
Forum: Travel, Polls & Preferences
Topic: Travel restrictions and fullness of airplanes
Replies: 10
Views: 1188

Re: Travel restrictions and fullness of airplanes

Belly cargo is still flying all over the world. At Delta we even started a few international routes just for belly cargo.

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by Dalmd88
Sun Dec 13, 2020 3:59 pm
Forum: Civil Aviation
Topic: Delta Narrow Body Thread - 2020
Replies: 724
Views: 100442

Re: Delta Narrow Body Thread - 2020

Interesting to see all the churn in the 717 fleet. I'm curious on a few things. - are the aircraft being moved to SBD & BYH; owned or leased - how do leases work in regards to engines and lease returns DL was in the midst of facing a large number of overhauls on the 717 engines and had set-up c...

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by Dalmd88
Fri Dec 11, 2020 4:01 pm
Forum: Technical/Operations
Topic: How much hydraulic pressure does the APU provide vs the engines?
Replies: 12
Views: 2518

Re: How much hydraulic pressure does the APU provide vs the engines?

It doesn't really effect the brake system much. The brakes have a large hydraulic accumulator the provides a backup of full pressure even with no hydraulic systems pressurized. It's been I while since I've been around the 737, but I think it gives you 2-3 full applications. I think the pressure from...

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by Dalmd88
Thu Nov 26, 2020 2:37 am
Forum: Technical/Operations
Topic: Wingletless DL 752s
Replies: 10
Views: 2416

Re: Wingletless DL 752s

I think there are only a couple of wingletless flying in the Delta fleet. That doesn't include the NBA 752 fleet which I think had the winglets removed. The stage length of their typical flights make them uneconomical to operate. Those that don't have winglets have structural issues that prevented t...

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by Dalmd88
Sat Nov 21, 2020 9:40 pm
Forum: Technical/Operations
Topic: Tariffs on importing Airbus planes to the US
Replies: 6
Views: 1775

Re: Tariffs on importing Airbus planes to the US

I don't think it was in Delta's plan to import the planes as used after six months. We began taking delivery of A350's about a year ago through Japan. Those airframes still have not been imported into the US. I think the plan was to wait out the current administration and hope the new guy drops the ...

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by Dalmd88
Fri Nov 20, 2020 2:51 pm
Forum: Technical/Operations
Topic: Questions on how to become a pilot and training
Replies: 128
Views: 3306

Re: Question about education and work as a mechanic

In the US it's tough finding a place to do the 30 months of experience. That will be willing to go through the trouble of accounting for your time, and give you a varied enough experience to satisfy the FAA. In 18 months you can get the traditional inclass/practical tech school finished and take you...

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by Dalmd88
Wed Nov 18, 2020 4:20 pm
Forum: Civil Aviation
Topic: Is DL taking delivery of A350’s from NRT to avoid tariffs?
Replies: 215
Views: 34876

Re: Is DL taking delivery of A350’s from NRT to avoid tariffs?

That is very interesting, indeed. According to the U.S. Trade Representative, a new aircraft is one with “no time in service or hours in flight other than for production testing” or for delivery to the U.S. That suggests the plane is no longer new once it’s flown a non-U.S. route for any other purp...

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by Dalmd88
Sat Nov 07, 2020 3:25 pm
Forum: Technical/Operations
Topic: Ground pin on power sockets
Replies: 12
Views: 2439

Re: Ground pin on power sockets

The airplane must be grounded to the earth when sitting at the gate or in a hangar. The ground pin in the Ext power I think just makes the power unit and the plane connected. There also has to be a ground wire from the airframe to the actual ground to dissipate static charge. The power unit also nee...

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by Dalmd88
Fri Nov 06, 2020 1:18 pm
Forum: Civil Aviation
Topic: Fedex Feeder Timing
Replies: 17
Views: 5138

Re: Fedex Feeder Timing

The mini hubs are nothing new. I first saw them in action back in the early 90's. I worked in SYR. There were 2-3 planes that fed UPS there. A couple of Navajos I think and a Caravan. MHT had a sizable FedEx operation run by Wiggins using Caravans. My next job was working for the Merlin Express side...

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by Dalmd88
Sun Nov 01, 2020 1:52 pm
Forum: Technical/Operations
Topic: Question about ground personnel
Replies: 18
Views: 1861

Re: Question about ground personnel

For most major US airlines Ramp staff do not clean airplanes as one other poster stated. that is usually an outsource company job. The other tasks they typically don't do is fuel the plane, outside company does that, or fix the plane, need to have FAA license to do that. Mechanics can do the tasks o...

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by Dalmd88
Wed Oct 21, 2020 10:23 pm
Forum: Technical/Operations
Topic: Fasteners on composite aircraft
Replies: 10
Views: 2426

Re: Fasteners on composite aircraft

It's been a while since I did structural work and I didn't do too much with composite panels, but I think for most panels there were never tolerance fit fasteners through composite. I think like Ti, they were always clearance fit through the composite panel. Seems like they were always 'wet install'...

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by Dalmd88
Wed Oct 21, 2020 10:19 pm
Forum: Civil Aviation
Topic: Delta Narrow Body Thread - 2020
Replies: 724
Views: 100442

Re: Delta Narrow Body Thread - 2020

Thanks for the reply. Maint sure gets expensive. I think an A check is weekly, a B check is monthly, a C check is yearly and a D check is every 4 years. There are some max hours allowed to be flown too for each of the 4 checks as well. Then there is Landing Gear overhaul and Engine Mx and overhaul....

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by Dalmd88
Fri Oct 16, 2020 5:54 pm
Forum: Technical/Operations
Topic: Commonality between the 737 Original and 737NG?
Replies: 29
Views: 5348

Re: Commonality between the 737 Original and 737NG?

I’m sure there’s some things that are the same. Maybe the windshield glass. Maybe the passenger window panes. Maybe the radome. From a airframe structures view they are very similar. I think the NG skin panels are improved, but most of the frame and stringer structure shares a lot with the classic....

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by Dalmd88
Fri Oct 16, 2020 5:48 pm
Forum: Technical/Operations
Topic: When does it become safe to approach an engine after shutoff?
Replies: 15
Views: 2930

Re: When does it become safe to approach an engine after shutoff?

I am pretty sure OSHA would have frowned upon some of the things done on a DC-10 to reduce vibration on the wing by changing some of the bolts on the spinner. I would say that we are OSHA compliant when performing a task like that. If not it could result in unpaid days off. You don't change the spi...

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by Dalmd88
Fri Oct 16, 2020 1:16 pm
Forum: Civil Aviation
Topic: Is the RR 787 engine problem fixed yet?
Replies: 64
Views: 12737

Re: Is the RR 787 engine problem fixed yet?

I think Rolls has turned the corner on the T1000 issues. That is as long as the new blade sets meet the expectations over the long term. We were told that as of June there were no more AOG aircraft in the system that Rolls was responsible for. The work through the shops has continued since that time...

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by Dalmd88
Mon Oct 12, 2020 8:33 pm
Forum: Civil Aviation
Topic: Rumor: DL looking to trade 717s for 737 Max
Replies: 731
Views: 138558

Re: Could Delta Order 737 MAX?

According to Reuters, Boeing has had discussions with Delta Air Lines to take up to 40 Boeing already-built 737 MAX aircraft, no doubt at a HUGE discount. Source: https://www.reuters.com/article/boeing-737max-delta/boeing-courting-delta-others-to-take-737-max-white-tails-sources-idUSKBN26M5JK As a ...

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by Dalmd88
Mon Oct 05, 2020 12:53 pm
Forum: Civil Aviation
Topic: American Hangar LGA Razed
Replies: 33
Views: 9414

Re: American Hangar LGA Razed

I don't think those hangars have been used for aircraft maintenance for many years now. I don't think they had the roof height for any AA planes to fit. All of the aircraft maintenance at LGA is done outside.

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