Search found 75 matches

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by battlegroup62
Wed Jun 15, 2022 1:11 am
Forum: Technical/Operations
Topic: Tail Anti-Ice leading edge question.
Replies: 20
Views: 2062

Re: Tail Anti-Ice leading edge question.

Going back to the metal strip on the fin leading edge, I am fairly sure all A350s come with it. Some operators may just choose to paint it for aesthetics. I can't think of any operators with the strip painted. Which ones are you thinking of? Since it is for erosion protection it is likely that they...

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by battlegroup62
Wed May 11, 2022 2:03 am
Forum: Civil Aviation
Topic: Envoy E175 Drops Winglet in Turbulence
Replies: 56
Views: 14310

Re: Envoy E175 Drops Winglet in Turbulence

A missing winglet can be MEL’d, I’ve flown a couple planes configured that way. I’ve seen worse things. Not on the E175. It counts as a lifting surface on them. They had to remove the other one and get a ferry permit to fly to ABI for repairs. I wonder if it could be added as an Mel. The ferry prov...

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by battlegroup62
Tue May 10, 2022 5:55 am
Forum: Civil Aviation
Topic: Envoy E175 Drops Winglet in Turbulence
Replies: 56
Views: 14310

Re: Envoy E175 Drops Winglet in Turbulence

They are ramping up inspections on these spurs, and replacing the remaining 40. This airplane was one of those. Hope the FEDs don't made it a grounded till inspected or repaired deal. With all the supply chain issues I doubt there are a ton of spare spar kits available plus it takes a good week to ...

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by battlegroup62
Tue May 10, 2022 12:54 am
Forum: Civil Aviation
Topic: Envoy E175 Drops Winglet in Turbulence
Replies: 56
Views: 14310

Re: Envoy E175 Drops Winglet in Turbulence

Embraer issued a service bulletin about winglet spar fatigue in 2018, it was slowly being complied with and Envoy had roughly 40 airplanes left to modify. These mods are now being sped up after this incident. The theory is that the turbulence was caused by the winglet failing, not the weather. I'd ...

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by battlegroup62
Thu Dec 30, 2021 12:30 pm
Forum: Technical/Operations
Topic: Increasing Beech Sierra VNE
Replies: 6
Views: 1222

Re: Increasing Beech Sierra VNE

I have been wanting to purchase a Beechcraft C24 Sierra. I find it to be "almost" the best combination of good looks, pilot and passenger comfort, but it comes up a little short in top-end speed when compared to other 200 HP retractables. I'd like to explore the possibility of installing ...

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by battlegroup62
Tue Nov 30, 2021 1:46 am
Forum: Technical/Operations
Topic: Does anybody know how much money is made from breaking down airliners and selling the scrap?
Replies: 11
Views: 3712

Re: Does anybody know how much money is made from breaking down airliners and selling the scrap?

How much of an airliner is melted back down to aluminum? I understand al prices are through the roof now. I do recall someone posting years ago that aircraft aluminum could not be used for beverage cans. Along those lines, are all those airplane wires you see in scrapping videos recyclable for thei...

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by battlegroup62
Tue Oct 19, 2021 8:23 am
Forum: Technical/Operations
Topic: Any opinions on hydraulic fuses?
Replies: 4
Views: 974

Re: Any opinions on hydraulic fuses?

I believe the recommendations from those crashes are paraphrased like this. "In the event of a catastrophic failure all flight control systems can't be disabled." To do this I've seen several ways it can be done. For cable driven flight controls: 2 sets of cables that are routed along diff...

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by battlegroup62
Thu Sep 30, 2021 9:02 am
Forum: Technical/Operations
Topic: Which airliners have ram air turbines. Which power hydraulics and which provide electricity?
Replies: 46
Views: 5270

Re: Which airliners have ram air turbines. Which power hydraulics and which provide electricity?

737 has cables going to flight controls, actuated by a person. These people powered generators consume cheap coffee and garbage airport food. The muscle-powered actuators... What about emergency electric generation? Windmilling engines, only batteries, or a dozen hamsters running inside a ball? Per...

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by battlegroup62
Wed Sep 22, 2021 6:02 am
Forum: Civil Aviation
Topic: FAA wants to know what actions Airlines are going to do to curb unruly passenger incidents
Replies: 166
Views: 18881

Re: FAA wants to know what actions Airlines are going to do to curb unruly passenger incidents

Francoflier wrote:
Upgrade from duct tape to speed tape?
:duck:

Handcuffs that will slit your wrists by accident :x Definitely a deterrent to struggling.

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by battlegroup62
Tue Sep 21, 2021 4:21 am
Forum: Technical/Operations
Topic: UPS 747 takeoff without flap fairing
Replies: 23
Views: 4051

Re: UPS 747 takeoff without flap fairing

No such thing as a breach of airworthiness. An aircraft may be deemed non-airworthy and thus can't fly. There are many parts of an aircraft that can be missing and the aircraft still be airworthy. Its called the Configuration Deviation List or CDL, a list of things that do not have to be working or ...

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by battlegroup62
Mon Aug 23, 2021 12:37 am
Forum: Technical/Operations
Topic: Does the DC-10 nose gear strut not meet the ground at a 90 degree angle?
Replies: 13
Views: 2515

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

StereoTechque wrote:
Classic example of a Positive camber.
Good for straight line stability and reducing steering effort.


And changing wheels without a jack. Not that anyone would ever use disobey an AMM.

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by battlegroup62
Mon Aug 23, 2021 12:35 am
Forum: Technical/Operations
Topic: Does the DC-10 nose gear strut not meet the ground at a 90 degree angle?
Replies: 13
Views: 2515

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

Problem with the canted nose gear design is it completely lifts the outboard nose wheel off the ground in a tight turn while taxiing, now you’re steering with just one wheel, not so good, especially when you have a wet surface I wouldn't say its a problem, it ensures slower speed turns. If such a t...

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by battlegroup62
Tue Aug 03, 2021 8:59 am
Forum: Technical/Operations
Topic: Embraer E-jet questions.
Replies: 8
Views: 1872

Re: Embraer E-jet questions.

It may not be the door. Does your G1 galley have a sink, if it does dump some water in it when you hear the sound and see what happens. If it stops or changes pitch its the drain valve leaking due to lower cabin pressure. Try pulling the drain valve knob to reseat it. As for the yaw, there is only a...

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by battlegroup62
Sun May 02, 2021 6:27 am
Forum: Technical/Operations
Topic: Which planes run out of engine hours first
Replies: 17
Views: 5735

Re: Which planes run out of engine hours first

Engines are tracked unrelated to the wing they might currently reside under. When covid first hit we were playing musical chairs with engines for weeks, just to move the ones with nearing maintenance to the frames going into storage. Engines are no more “attached” to an airframe, than the wheels as...

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by battlegroup62
Thu Apr 08, 2021 10:28 am
Forum: Technical/Operations
Topic: Which planes run out of engine hours first
Replies: 17
Views: 5735

Re: Which planes run out of engine hours first

The only time I've ever seen a new engine on an aircraft is when it was delivered. We pull engines all the time, way before the airframe is even close to going away. When the time comes to scrap an airframe, the engines will be replaced with high time engines that are no longer economical to overha...

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by battlegroup62
Thu Feb 18, 2021 4:30 am
Forum: Technical/Operations
Topic: How do passenger windows get so scratched up?
Replies: 7
Views: 2325

Re: How do passenger windows get so scratched up?

As fre8mech says, if on the outside its most probably crazing. Generally acceptable to a point then the glazing panel has to be changed. Check the depth of the defects with optical micrometer. Inside, pax and cleaners using the incorrect methods on the inner panes. Outside too. That's what happens ...

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by battlegroup62
Mon Feb 15, 2021 10:01 am
Forum: Technical/Operations
Topic: Powering systems inside a hangar
Replies: 14
Views: 2629

Re: Powering systems inside a hangar

Thank you! You answered another question I had in my head but assumed was obvious - that they wouldn't run the APU or engines indoors. Oh it's been done, it's one of those where the manual doesn't always specifically say you can't. Mainly because the tech writers didn't think they needed to put tha...

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by battlegroup62
Tue Jan 19, 2021 1:27 pm
Forum: Civil Aviation
Topic: American Eagle News and Discussion Thread
Replies: 1744
Views: 357894

Re: American Eagle News and Discussion Thread

According to a company memo I have in front of me, it appears that the last 6x E175s will NOT be delivered to MQ. "Given the ongoing impact of the pandemic on our business, AAG has informed us that it will not take delivery of the last six Embraer 175 aircraft that were due to enter service wi...

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by battlegroup62
Mon Jan 18, 2021 1:43 am
Forum: Technical/Operations
Topic: Boeing 737 Engine Bleed Precooler System Defiency
Replies: 5
Views: 1589

Re: Boeing 737 Engine Bleed Precooler System Defiency

Not at all. That’s why we have scheduled maintenance that digs a little deeper into the systems. Question: how many cracks are there in the wing or fuselage of any given aircraft? None? One, two, five, more? Once identified, usually during a scheduled maintenance check, the crack(s) is repaired or ...

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by battlegroup62
Tue Jan 05, 2021 1:39 am
Forum: Travel, Polls & Preferences
Topic: Big 4 to Big 3 in the USA
Replies: 43
Views: 5823

Re: Big 4 to Big 3 in the USA

You didn't post the article, but I found it. https://www.reuters.com/article/us-health-coronavirus-airlines-breakingv-idUKKBN2991JV It is all speculation at this point provided the government doesn't give them more money or travel doesn't pick up, the author states as such. Especially since the last...

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by battlegroup62
Fri Dec 11, 2020 8:56 pm
Forum: Civil Aviation
Topic: Embraer delivers six E175 at a time to Mesa Airlines / United Express
Replies: 24
Views: 5589

Re: EMBRAER delivers six E175 at a time to Mesa Airlines / UNITED Express

I would be cool if they flew them up in formation vs one at a time at least for a photo shoot.

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by battlegroup62
Wed Nov 18, 2020 10:24 am
Forum: Technical/Operations
Topic: Ground pin on power sockets
Replies: 12
Views: 2560

Re: Ground pin on power sockets

Yes 1.The aircraft produces 120 volt 400hz power from the generator with 3 phases plus a neutral tied to ground/airframe 2. yes there are a minimum of 3 wire going to the outlet labeled : power in, power out, ground 3. in the power converter/supply the "neutral" is grounded to the aircraft...

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by battlegroup62
Sat Nov 14, 2020 12:21 pm
Forum: Civil Aviation
Topic: American Eagle News and Discussion Thread
Replies: 1744
Views: 357894

Re: American Eagle News and Discussion Thread

jgcotter wrote:
E175 N212NN ferried from AVW to BNA yesterday for conformity checks to enter revenue service with Envoy.


Who does the heavy maintenance checks on the Envoy 175's?

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by battlegroup62
Fri Nov 06, 2020 11:13 am
Forum: Civil Aviation
Topic: Mitsubishi SpaceJet — Development & Production Thread
Replies: 782
Views: 162090

Re: Mitsubishi SpaceJet — Development & Production Thread

There were probably clauses regarding cancelation penalties for backing out of the CRJ deal that they didn't want to pay. And as evidenced by other Japanese companies like Toyota and their accelerator pedals they don't seem to like to admit they made an error. Which is sort of what backing out of a ...

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by battlegroup62
Wed Nov 04, 2020 4:08 am
Forum: Technical/Operations
Topic: How do follow me vehicles avoid running into planes or getting affected by their jet blast on taxiways in very low vis?
Replies: 12
Views: 2021

Re: How do follow me vehicles avoid running into planes or getting affected by their jet blast on taxiways in very low v

They use the ground radio channels just like the aircraft and have their own callsign. They don't get to drive were ever they want, on movement areas they follow the same comm rules and procedures as an aircraft. Ground control keeps track of everyone on frequency with either an old fashioned map or...

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by battlegroup62
Mon Jul 27, 2020 3:25 am
Forum: Technical/Operations
Topic: Cabin Air Recirculation Filters against Covid-19? (ATA 21)
Replies: 46
Views: 6281

Re: Cabin Air Recirculation Filters against Covid-19? (ATA 21)

I think it may have to do with the capacity of the PC air systems in terms of airflow and filtering. The aircraft can circulate more air than most PC air units unless you use one from an A380 on a 737, and the air would be filtered with HEPA filters vs unknown filters on the PC air. Plus I have hear...

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by battlegroup62
Fri Jul 17, 2020 10:58 pm
Forum: Civil Aviation
Topic: Updated: FI signs new FA contract (after stating will fire all FA and replace with pilots)
Replies: 148
Views: 27965

Re: FI Fires ALL FAs, Replaced By Pilots.

In the U.S. pilots are trained on cabin door operation and emergency evacuation. The safety briefing is the only thing not trained. Are they? My company has had more slides blown due to pilots that any other reason. I had one who was new to the company less than a month and they had no idea how to ...

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by battlegroup62
Wed Jul 08, 2020 1:19 pm
Forum: Technical/Operations
Topic: When do aircraft engine RTS?
Replies: 7
Views: 1914

Re: When do aircraft engine RTS?

Sometimes, the customers wants to send their aircraft engine back to us as "RTS". What I understand is that these engines have been overhauled before and left the shop. But it is now back as "RTS". So I am not sure if the engines have already been overhauled and left shop, why a...

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by battlegroup62
Mon Jun 22, 2020 12:57 am
Forum: Technical/Operations
Topic: Mitsubishi space Jet and MHI RJ ( CRJ)
Replies: 2
Views: 1792

Re: Mitsubishi space Jet and MHI RJ ( CRJ)

I doubt they could adapt the wiring since the Spacejet has so many different systems and technologies being fly by wire compared to the CRJ. It would be a restart of the wiring design and could delay the certification schedule. They already brought in Latecore to rework the mess they had originally ...

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by battlegroup62
Wed Jun 10, 2020 11:38 pm
Forum: Technical/Operations
Topic: Electric taxiing tug?
Replies: 11
Views: 3324

Re: Electric taxiing tug?

trpmb6 wrote:
I'd be concerned about having to double the number of vehicles moving around on the taxi ways. Additional failure modes... Pilot tries to take off with the tug still attached.. etc.


How bout using the tug to get the plane up to speed like a carrier catapult. It would save fuel :D

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by battlegroup62
Tue Jun 02, 2020 10:10 pm
Forum: Civil Aviation
Topic: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer
Replies: 1172
Views: 155298

Re: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer

I do not know. I only know the E175-E2 is a mere derivative of the E175 (E1) with new optimized wing. Basically I am saying that the E2 and SpaceJet get engines that are virtually identical , with very similar seating capacity and both need to have similar range. Unless someone has an anti-gravitat...

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by battlegroup62
Tue May 26, 2020 8:34 pm
Forum: Civil Aviation
Topic: Development paths for new scope compliant aircraft.
Replies: 355
Views: 18410

Re: Development paths for new scope compliant aircraft.

I have a very hard time believing scope requirements will not be changing with re-negotiations post-COVID restructuring. The E2-175 will end up as a regional jet. I believe in the same thing but the last time I said it out loud here I almost got beaten by unionists who believe that companies will p...

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by battlegroup62
Sun May 24, 2020 2:32 am
Forum: Technical/Operations
Topic: Parking airliners. question?
Replies: 5
Views: 1503

Re: Parking airliners. question?

Kind of is to a certain extent, and depending on how long it is being stored. On the AC I work there are different levels based on time. Less than 7 days, 7 to 30 days and 30 plus days. For less than 7 days its put probe covers on, and cover any air inlets/ outlets for ventilation and cover the engi...

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by battlegroup62
Sat May 23, 2020 7:31 am
Forum: Civil Aviation
Topic: Mitsubishi SpaceJet — Development & Production Thread
Replies: 782
Views: 162090

Re: Mitsubishi SpaceJet — Flight Test & Production Thread

This might help. https://en.wikipedia.org/wiki/Mitsubish ... Jet#Orders Granted, I'm not sure how up to date this info is. I'd wager since Mitsubishi has effectively thrown in the towel by halving the budget for the programs and is now closing offices not located in Japan that orders will start bei...

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by battlegroup62
Thu May 21, 2020 4:30 am
Forum: Civil Aviation
Topic: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer
Replies: 1172
Views: 155298

Re: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer

I wonder if they could do the same for the E275 just rate it at 89k and 76 seats.

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by battlegroup62
Thu May 21, 2020 1:06 am
Forum: Civil Aviation
Topic: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer
Replies: 1172
Views: 155298

Re: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer

Back onto the E2... could never figure out why they stretched the 175 to essentially make it an E2-180. The 175 as it is was already a bit portly under scope. Compass had a few dozen that exceeded standard scope weight and flew them via a contractual stipulation. Curious, is there any feasible way ...

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by battlegroup62
Wed May 20, 2020 4:32 am
Forum: Civil Aviation
Topic: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer
Replies: 1172
Views: 155298

Re: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer

Yes, but how long is the service cycle for those frames for each regional airliners today in the USA? The older ERJ-170/175 and CRJ700 are almost 20 years old already and if you consider a 2500 cycles per year on each plane most of the older E-jets are reaching almost 50k cycles by now. Another fac...

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by battlegroup62
Sat May 16, 2020 2:39 am
Forum: Civil Aviation
Topic: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer
Replies: 1172
Views: 155298

Re: Updated: Boeing Terminates Agreement to Establish Joint Ventures with Embraer

I can guarantee that none of the Ejets that have been scrapped have been due to age or cycle limits. I've seen the numbers on some of the oldest made, and they are just hitting 32000 cycles, less than half the limit.

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by battlegroup62
Tue Sep 10, 2019 12:48 am
Forum: Technical/Operations
Topic: IDG maintenance service package
Replies: 19
Views: 12041

Re: IDG maintenance service package

Some airlines use a program whereby they have a list of components that a third party stores and makes available whenever they are needed. The system can be used by multiple airlines to share the same components so long as the inventory levels are adjusted accordingly. At my company we call this a p...

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by battlegroup62
Wed May 29, 2019 10:11 am
Forum: Technical/Operations
Topic: Fear of aircraft lavatories
Replies: 19
Views: 4384

Re: Fear of aircraft lavatories

The lock mechanism is just a mechanical hasp. About as simple as you can make the thing, so there's not much that can malfunction. The worst I've seen is lack of lubriction causing the latch to be stiff. The doors are pretty flimsy. Not that you could necessarily force one, but certainly attracting...

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by battlegroup62
Sat May 11, 2019 2:28 am
Forum: Civil Aviation
Topic: Air Canada Jazz plane collides with fuel tanker truck at Toronto Pearson
Replies: 48
Views: 9051

Re: Air Canada Jazz plane collides with fuel tanker truck at Toronto Pearson

wetpantsmcgee wrote:
DLASFlyer wrote:
Menzies strikes again.


My first thought as well :lol:


Same here. They recently opened/ bought out ASIG where I work and have replaced all the truck with new ones. They don't look so new now, almost every one has dents and scrapes along the tanks.

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by battlegroup62
Thu May 02, 2019 6:35 pm
Forum: Aviation Hobby
Topic: B737 MAX should it stay or should it go?
Replies: 13
Views: 4959

Re: B737 MAX should it stay or should it go?

BravoOne wrote:
The airline business is scattered with dead bodies. What;s your point here?
[/quote]

I guess I should have held up my sarcasm sign. And perhaps 5 million was a typo for the dollar amount.

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by battlegroup62
Thu May 02, 2019 3:01 am
Forum: Aviation Hobby
Topic: B737 MAX should it stay or should it go?
Replies: 13
Views: 4959

Re: B737 MAX should it stay or should it go?

BravoOne wrote:
Boeing will be 5 million lighter.


Only 5 million, some managers and a ceo. that's a bargain for around 300 dead

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by battlegroup62
Tue Mar 19, 2019 6:05 am
Forum: Technical/Operations
Topic: Boeing's FOD problem
Replies: 16
Views: 3493

Re: Boeing's FOD problem

Its surprisingly easy to misplace something while working on an aircraft. I've found a ford wrench in a fuel tank, been there long enough to wear through the primer layer, and adjustable wrenches in flap fairings. Things happen, you get interrupted, put tools down and then forget where. I've seen gs...

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by battlegroup62
Thu Mar 07, 2019 6:19 pm
Forum: Civil Aviation
Topic: United Express/Commutair incident 3/4 at Presque Isle, ME
Replies: 106
Views: 26577

Re: United Express/Commutair incident 3/4 at Presque Isle, ME

I'd wager then that the reason the gear came off was the deep snow working like the runway end arrestor beds.

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by battlegroup62
Tue Feb 19, 2019 6:31 am
Forum: Technical/Operations
Topic: E170/5 different winglets
Replies: 20
Views: 4081

Re: E170/5 different winglets

Well he's not wrong, but obviously you were hoping for more than that. The enhanced winglet is one step closer to the blended wingtip like say on the 787 and on the E2's. With all the aerodynamic studies that have been done to study wingtip vortices, drag ... we went from no winglets, to multiple de...

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by battlegroup62
Tue Jan 08, 2019 8:05 am
Forum: Technical/Operations
Topic: Most expensive aircraft part
Replies: 39
Views: 9920

Re: Most expensive aircraft part

I know that an IDG for an E-jet lists for $650k

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by battlegroup62
Tue Dec 18, 2018 4:38 am
Forum: Technical/Operations
Topic: How long does it take to scrap an aircraft?
Replies: 13
Views: 4327

Re: How long does it take to scrap an aircraft?

I've seen it done on an ERJ, it flew in,was stripped of usable parts down to a bare tube, and stuffed into a 40 yard dumpster in less than a month. If its just scrapping then several days depending on size and what equipment you use to crush it.

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by battlegroup62
Tue Nov 27, 2018 1:34 am
Forum: Technical/Operations
Topic: Republic E175 - moving passengers for weight and balance?
Replies: 21
Views: 4035

Re: Republic E175 - moving passengers for weight and balance?

AWACSooner wrote:
citationjet wrote:
I rode a UA CRJ200 on a 3 hour flight last week.

You deserve a medal

And counseling for PTSD. Sounds like punishment.

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by battlegroup62
Thu Aug 16, 2018 11:31 am
Forum: Civil Aviation
Topic: Southwest latest airline to restrict service, emotional support animals
Replies: 30
Views: 4826

Re: Southwest latest airline to restrict service, emotional support animals

Good. It's about time. I was waiting for a SWA flight a year or so back. An older guy was nearby with his wife and "support dog." The guy was boasting to another couple of how their dog travels with them all the time, and that he used to have to pay to transport fido in a crate in the hol...

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