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by spacecadet
Tue Mar 26, 2024 7:05 am
Forum: Technical/Operations
Topic: No APU on taxi in
Replies: 50
Views: 3020

Re: No APU on taxi in

Starlionblue wrote:
spacecadet wrote:
Starlionblue wrote:
Interesting. What aircraft is this?


Same aircraft you fly, as far as I know. A320 and 321. The APU itself barely keeps up. Ground air barely does anything.

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by spacecadet
Tue Mar 26, 2024 6:58 am
Forum: Technical/Operations
Topic: Are commercial airline pilots the highest paid profession in the USA?
Replies: 70
Views: 4210

Re: Are commercial airline pilots the highest paid profession in the USA?

Wrote a super-long reply and then deleted it. I've got a lot of strong feelings when someone even implies that pilots are overpaid. If anything, we're still underpaid. Gotta try not to say anything that could get me in trouble, though. But there are many good reasons why pilots are paid as much as w...

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by spacecadet
Mon Mar 25, 2024 6:04 am
Forum: Technical/Operations
Topic: No APU on taxi in
Replies: 50
Views: 3020

Re: No APU on taxi in

My thoughts, and I could be wrong, but I get the feeling that an APU has much more oomph than it actually needs under most circumstances. Certainly, it will cool the cabin quickly even in really hot weather. You may be right about "in most circumstances" but I do a lot of flying to the Ca...

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by spacecadet
Tue Mar 19, 2024 10:39 am
Forum: Technical/Operations
Topic: Strange Flight path of NYC-YYZ flights on 3/16/2024
Replies: 2
Views: 1405

Re: Strange Flight path of NYC-YYZ flights on 3/16/2024

The answer to questions like this is always weather.

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by spacecadet
Sat Mar 16, 2024 6:36 am
Forum: Technical/Operations
Topic: Single engine failure on a twinjet SOP questions
Replies: 27
Views: 1212

Re: Single engine failure on a twinjet SOP questions

Now once engine 1 is off, engine 2 has a chance of independent shutdown being 1 in 50k hours or so. So for 1 hour single-engine flight, odds of second engine failure is some 0.002%. That sounds pretty questionable... where are you getting 1 in 50k hours, and what specific engine are you talking abo...

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by spacecadet
Fri Mar 15, 2024 7:34 am
Forum: Technical/Operations
Topic: Duct Tape on Engine Pylon
Replies: 15
Views: 1209

Re: Duct Tape on Engine Pylon

The most unreliable planes with the most broken stuff on them that I have flown have all been newer ones. It often takes a little while to work the kinks out of a new plane. These are hugely complex machines with literally millions of individual parts. They're not all going to be perfect. So while i...

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by spacecadet
Fri Mar 15, 2024 7:15 am
Forum: Technical/Operations
Topic: Single engine failure on a twinjet SOP questions
Replies: 27
Views: 1212

Re: Single engine failure on a twinjet SOP questions

The only real consideration with an engine failure is getting the airplane back on the ground as soon as practicable. Not necessarily as soon as possible; it's an emergency but it's not a life-threatening situation at that point, so we're not just going to land anywhere. But we're also not going to ...

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by spacecadet
Wed Mar 06, 2024 3:30 pm
Forum: Technical/Operations
Topic: Nautical Miles vs Miles?
Replies: 18
Views: 1386

Re: Nautical Miles vs Miles?

Straight from the FAA's "Terms of Reference" for ATC (order 7110.10DD):

"“Miles” means nautical miles (NM) unless otherwise specified and means statute miles in conjunction with visibility."

Simple and clearly defined, at least in the US.

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by spacecadet
Wed Mar 06, 2024 3:23 pm
Forum: Technical/Operations
Topic: No APU on taxi in
Replies: 50
Views: 3020

Re: No APU on taxi in

This is actually done at several airlines in the US, probably depending on the type and even individual airframe. My airline has some planes that can do it and some that can't, even of the same model. The APU is just another engine. It's small but it does use fuel and it works basically just like th...

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by spacecadet
Thu Feb 29, 2024 5:26 am
Forum: Technical/Operations
Topic: Flight Simulators.
Replies: 12
Views: 1546

Re: Flight Simulators.

Hello, What becomes of flight simulators that are no longer needed or of a type of aircraft that is no longer being widely operated. These machines are quite expensive. Can a simulator for say a DC10 that is not used any more be refurbished to represent a different type of aircraft such as a B777? ...

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by spacecadet
Sat Feb 17, 2024 8:34 am
Forum: Technical/Operations
Topic: Point Merge
Replies: 7
Views: 1063

Re: Point Merge

It seems like one of those EASA things that's codifying something into a specific procedure that's just done kind of ad-hoc in the rest of the world. The US most definitely has "analogues" to this, but not a defined "merge point" procedure. For example, most STARs can already be ...

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by spacecadet
Wed Feb 14, 2024 9:05 am
Forum: Technical/Operations
Topic: Reason for southerly routing SFO-ZRH
Replies: 11
Views: 2312

Re: Reason for southerly routing SFO-ZRH

There's been a lot of weather across the United States over the past week. You wouldn't have wanted to fly on any route other than the one you did.

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by spacecadet
Wed Feb 14, 2024 9:03 am
Forum: Technical/Operations
Topic: Can the A320’s engine type be swapped?
Replies: 19
Views: 3172

Re: Can the A320’s engine type be swapped?

The NEO is already essentially an engine swap on the CEO. And look how long it took to get that done. You can't "just" swap one engine with another. Sure, you can always do anything with enough money and time. You can put a V-12 in a Volkswagen Beetle if you want to. But it's not just a qu...

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by spacecadet
Sun Feb 11, 2024 7:02 am
Forum: Technical/Operations
Topic: Aeromexico 366 Felt like we almost crashed. Help explaining what happened!
Replies: 10
Views: 3285

Re: Aeromexico 366 Felt like we almost crashed. Help explaining what happened!

It looks fairly normal to me. First, understand that not every takeoff is going to be exactly the same. Conditions are different, airplanes are different, etc. There can even be situations passengers know nothing about like TOGA takeoffs being requested by maintenance just because one hasn't been do...

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by spacecadet
Sat Jan 27, 2024 8:42 pm
Forum: Technical/Operations
Topic: Why is ATC communication still simplex radios?
Replies: 25
Views: 2909

Re: Why is ATC communication still simplex radios?

One thing I will say on the muting pilots, it could be designed to alert the pilot that ATC is transmitting so their transmission isn't being heard by other aircraft but it will always be heard by ATC using separate TX/RX frequencies. Still not really a net improvement. We *want* our transmissions ...

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by spacecadet
Wed Jan 24, 2024 6:53 am
Forum: Technical/Operations
Topic: Why is ATC communication still simplex radios?
Replies: 25
Views: 2909

Re: Why is ATC communication still simplex radios?

This is one of those questions that I do think is important to ask, but the response really should be "what's the better alternative and what problems could that alternative unintentionally introduce?" A system where you're just muting pilots who think they're talking on frequency is clear...

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by spacecadet
Thu Jan 18, 2024 7:33 am
Forum: Technical/Operations
Topic: Are newer aircraft in a fleet more capable than older ones of the same model?
Replies: 15
Views: 3714

Re: Are newer aircraft in a fleet more capable than older ones of the same model?

Don't airlines usually remove one new engine from a new plane and swap it out for another used one in their spares inventory so that the maintenance schedule is staggered? Or is that an a.net myth? Haven't seen it done at my airline. Wouldn't say that means nobody does it, but I just haven't seen i...

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by spacecadet
Sat Jan 13, 2024 7:31 am
Forum: Technical/Operations
Topic: GPS for Ipad
Replies: 3
Views: 1607

Re: GPS for Ipad

I used a Stratux as both a student and CFI - it worked great, and cost me $160 or so total at the time. I bought everything separately, not the "kit" that they sell now, but I'll bet things do just cost a bit more now than when I did it. A Raspberry Pi was still $35 when I bought it; I'm s...

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by spacecadet
Sat Jan 13, 2024 1:27 am
Forum: Technical/Operations
Topic: How much ground crew needed?
Replies: 32
Views: 3873

Re: How much ground crew needed?

Safedock is installed at all of the gates at DFW, but it seems as though none of the airlines in Terminal E use it… frontier, delta, United, JetBlue all have marshallers and wing walkers…. even the American Eagle regional aircraft have marshallers and wing walkers. “Verify safety envelope clear” Th...

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by spacecadet
Wed Jan 10, 2024 5:33 am
Forum: Technical/Operations
Topic: How much ground crew needed?
Replies: 32
Views: 3873

Re: How much ground crew needed?

...Far more common though is an auto parking system, which is basically just automated marshaling. Put in the aircraft type and it’ll guide it in through directions on a board mounted at nose level. Looks like DFW has had that for 15+ years... Yep, that's SafeDock. Generally, you don't need marshal...

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by spacecadet
Wed Jan 10, 2024 12:55 am
Forum: Technical/Operations
Topic: Airport Snow Operations
Replies: 3
Views: 1663

Re: Airport Snow Operations

Taxiway Q between 04L/22R and Taxiway B is closed by NOTAM for the next 2 days.

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by spacecadet
Mon Jan 08, 2024 7:22 am
Forum: Technical/Operations
Topic: Airline pilot's weekly schedule (approximate)
Replies: 36
Views: 4958

Re: Airline pilot's weekly schedule (approximate)

A pilots failure to learn how to bid is not a failure of PBS. That is on the pilot. I’ll take PBS over line building and the ability to get a much more tailored schedule. Same. I feel that way even as a junior guy who doesn't often get what he wants. That'll change eventually and learning the syste...

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by spacecadet
Mon Jan 08, 2024 6:58 am
Forum: Technical/Operations
Topic: How much ground crew needed?
Replies: 32
Views: 3873

Re: How much ground crew needed?

GalaxyFlyer wrote:
OTOH, 30 minutes of pay for the crew!


Yeah but when we're already only scheduled for 10 hours of rest... or worse, trying to make a commute home... that always seems to be when we're missing wing walkers when I fly.

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by spacecadet
Sun Jan 07, 2024 2:59 pm
Forum: Technical/Operations
Topic: How much ground crew needed?
Replies: 32
Views: 3873

Re: How much ground crew needed?

It actually depends on the airport, the gate, and the equipment they're using. At some airports, or even some gates at certain airports, wing walkers are not required. So for #1, yes, at the right type of gate, you can just guide the plane in on your own and stop when it tells you to. I don't know a...

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by spacecadet
Sun Jan 07, 2024 2:53 pm
Forum: Technical/Operations
Topic: Can aircraft communication with ATC be automated?
Replies: 39
Views: 3004

Re: Can aircraft communication with ATC be automated?

Those are failure modes but shouldn't their chance of failing be less than the chance of human error? Automated car systems have similar risk, yet those system are still actively under development because it is generally believed that they will ultimately reduce the risk. And nowadays there are alr...

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by spacecadet
Wed Jan 03, 2024 5:26 am
Forum: Technical/Operations
Topic: Airline pilot's weekly schedule (approximate)
Replies: 36
Views: 4958

Re: Airline pilot's weekly schedule (approximate)

It's more useful to ask about monthly schedules, since that's typically what airlines actually do. Your weekly schedule could have nothing or it could be 100% full. But a monthly schedule is somewhat predictable. My airline's typical monthly schedule is based on around 70-80 credit hours, usually. T...

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by spacecadet
Mon Jan 01, 2024 7:56 am
Forum: Technical/Operations
Topic: Flying height
Replies: 13
Views: 2734

Re: Flying height

Sometimes it's very scientific and sometimes it's just about comfort or what we're observing with the weather. First, oceanic flights are a little different than flights over land, because you can be outside of direct contact with ATC. (Usually you still technically are if you have CPDLC, but it can...

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by spacecadet
Mon Jan 01, 2024 7:23 am
Forum: Technical/Operations
Topic: Arrival runway policies by airlines
Replies: 27
Views: 3723

Re: Arrival runway policies by airlines

At COS the westernmost runway (17R/35L) is 11,000 feet with a highspeed turnoff (when landing south) that goes almost directly to the terminal ramp with minimal taxiing. Very rarely used for commercial ops except for Southwest. United, Delta, and American all generally use the 13,500-foot-long runw...

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by spacecadet
Fri Dec 29, 2023 10:08 am
Forum: Travel, Polls & Preferences
Topic: Deadheading and F Seat Revenue
Replies: 31
Views: 1787

Re: Deadheading and F Seat Revenue

I'm actually kind of amazed that there are passengers out there who would prefer that their pilots flew in to work in an economy seat than a first class seat. So you'd like your pilots to be fatigued and irritable, like most passengers are when flying in those seats? Do you understand how many accid...

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by spacecadet
Fri Dec 29, 2023 10:00 am
Forum: Civil Aviation
Topic: Challenging landing for AA 777 at LHR
Replies: 115
Views: 17457

Re: Challenging landing for AA 777 at LHR

Not a great landing, but it happens.

Commentary on the video was a lot worse, though. Sheesh, just mute it if you're going to watch the video.

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by spacecadet
Fri Dec 29, 2023 9:50 am
Forum: Technical/Operations
Topic: Why So Many Red-Eye Flights from the East Coast to the Caribbean?
Replies: 7
Views: 2045

Re: Why So Many Red-Eye Flights from the East Coast to the Caribbean?

Without getting too deeply into it, a lot of it has to do with crew scheduling and what the airline can actually do *without* considering it a redeye as per the CBA. It's all about efficiency and max utilization. One hint: many of those flights are flown with crews based in areas nowhere near either...

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by spacecadet
Sun Dec 17, 2023 9:50 am
Forum: Technical/Operations
Topic: Part 121 ops at non-towered airports
Replies: 27
Views: 3396

Re: Part 121 ops at non-towered airports

Velocirapture wrote:
That bears repeating, "Towers only provide sequencing, not separation." It seems that some have a false sense of security at towered airports.


Well, no. See the several comments that came before yours.

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by spacecadet
Fri Dec 15, 2023 8:12 am
Forum: Technical/Operations
Topic: Part 121 ops at non-towered airports
Replies: 27
Views: 3396

Re: Part 121 ops at non-towered airports

I work at an airline that does this occasionally but it's very heavily de-emphasized. I believe we only do it now for special flights, I don't think we have regular scheduled service to untowered airports, although we may have at one time. There *have* been airline accidents directly attributable to...

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by spacecadet
Mon Nov 27, 2023 10:50 am
Forum: Technical/Operations
Topic: Arrival runway policies by airlines
Replies: 27
Views: 3723

Re: Arrival runway policies by airlines

Interesting story. I guess they didn't have a ton of departures within that time for 18L. Did you ask if 18R was available? They didn't have anybody but us. It's always surprising to me how dead class B's can actually be, almost regardless of time of day. (This was late at night, but I've been ther...

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by spacecadet
Mon Nov 27, 2023 4:41 am
Forum: Technical/Operations
Topic: Arrival runway policies by airlines
Replies: 27
Views: 3723

Re: Arrival runway policies by airlines

There's no policy at my airline other than "land safely and be on time if you can". So sure, we'll request a runway closer to the terminal if we think we can get it and there's not some operational reason why it would be unsafe or unusable. But it depends on various things. The other day f...

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by spacecadet
Thu Nov 23, 2023 6:36 am
Forum: Technical/Operations
Topic: LH458 16OCT24 diverts to OAK because unable visual approaches.
Replies: 281
Views: 25275

Re: LH458 16OCT24 diverts to OAK because unable visual approaches.

What is the right amount of extra fuel for SFO? That debate goes on endlessly, but every gallon gets watched by some schmuck in a cubicle who bears no safety responsibility. Legally, they bear equal responsibility with the PIC. FAR's 121.533 and 121.535 define this for both domestic and flag carrie...

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by spacecadet
Fri Nov 17, 2023 7:31 am
Forum: Technical/Operations
Topic: How Operationally Dangerous Is SFO?
Replies: 85
Views: 6075

Re: How Operationally Dangerous Is SFO?

There's nothing "unsafe" about it. There are certain things pilots complain about when flying there, but then there are other things pilots complain about when flying into JFK or BOS or really anywhere else. The only airports where pilots don't complain about anything at all are airports w...

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by spacecadet
Fri Nov 17, 2023 7:23 am
Forum: Technical/Operations
Topic: Payment for rejected Takeoff after touchdown
Replies: 20
Views: 3972

Re: Payment for rejected Takeoff after touchdown

Technically most airports do have landing fees that would apply to what amounts to a touch and go, however who really knows what deals airlines have worked out with various airports. There are whole teams dedicated to airport relations for each airport in an airline's system. It's like how the media...

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by spacecadet
Wed Nov 15, 2023 1:40 am
Forum: Technical/Operations
Topic: Multiple AP Disconnects on Approach/Violent Wing Dip
Replies: 29
Views: 2403

Re: Multiple AP Disconnects on Approach/Violent Wing Dip

Or the first officer's knee hits the disconnect button as he's putting his feet up on the footrests... :oops: 8-) I would actually bet it was something like this. My *captain* (cough) did this just yesterday, luckily while nothing was going on. Just bumped the button with his knee. Gave me a startl...

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by spacecadet
Mon Nov 13, 2023 5:10 am
Forum: Technical/Operations
Topic: Please tell us about the pilots' work schedule
Replies: 18
Views: 2190

Re: Please tell us about the pilots' work schedule

Given the issue you describe, do you think employers might put in place financial incentives for upgrading? They have to find captains somehow. They will have to do something. My airline, which is an LCC and not a regional, is having a big problem right now. It's worse at the regionals. They have a...

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by spacecadet
Mon Nov 13, 2023 5:02 am
Forum: Technical/Operations
Topic: LH458 16OCT24 diverts to OAK because unable visual approaches.
Replies: 281
Views: 25275

Re: LH458 16OCT24 diverts to OAK because unable visual approaches.

An ILS approach is not much more than a VOR/DME approach it the Airline or Pilot proficiency they can't shoot a visual approach? I can't tell what you're asking here, but an ILS is certainly different from a VOR/DME approach. One is a precision approach with vertical guidance; the other is a non-pr...

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by spacecadet
Sat Nov 11, 2023 7:37 am
Forum: Technical/Operations
Topic: Please tell us about the pilots' work schedule
Replies: 18
Views: 2190

Re: Please tell us about the pilots' work schedule

I must admit that going from #1 F/O (most senior) to second most junior CA on the 777 in the same base feels like a step backwards at first! There's nothing like having total control over your schedule and nothing to loose as the pay of both positions is actually comparable when you consider that w...

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by spacecadet
Thu Nov 09, 2023 6:00 am
Forum: Technical/Operations
Topic: What are the consequences if a pilot delays the aircraft’s rotation during takeoff?
Replies: 12
Views: 2137

Re: What are the consequences if a pilot delays the aircraft’s rotation during takeoff?

These days, I think most take-offs are conducted using reduced thrust, so they'd be using more runway compared to a full-thrust take-off. Yes, but in many cases even with a reduced thrust takeoff, there is so much runway remaining that a delayed rotation doesn't matter. Two-engine airliners have a ...

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by spacecadet
Wed Nov 08, 2023 10:18 am
Forum: Technical/Operations
Topic: Please tell us about the pilots' work schedule
Replies: 18
Views: 2190

Re: Please tell us about the pilots' work schedule

It very much depends on the airline and your seniority within it, as well as how you bid for your schedule each month. At my airline, junior pilots typically sit on reserve for a certain number of days (usually around 17-18 per month) while more senior pilots can "hold a line" (ie. have a ...

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by spacecadet
Tue Oct 24, 2023 11:47 pm
Forum: Technical/Operations
Topic: Scary Crew Inattention By QR w/Rebuke By SFO ATC
Replies: 50
Views: 5617

Re: Scary Crew Inattention By QR w/Rebuke By SFO ATC

As an example, a serious loss of SA is a potential safety issue depending on the factors involved. I don't really buy the argument that an incorrect readback - even multiple times - is a "loss of SA". As I pointed out, they followed all of their instructions correctly. So clearly, they st...

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by spacecadet
Mon Oct 23, 2023 6:14 am
Forum: Technical/Operations
Topic: Scary Crew Inattention By QR w/Rebuke By SFO ATC
Replies: 50
Views: 5617

Re: Scary Crew Inattention By QR w/Rebuke By SFO ATC

The scary part is both voices who call from the QR aircraft lack awareness and miss transmission details. I only heard one voice and that was most likely the first officer, who is typically handling radios on the ground. First officers can have varying levels of experience, from almost none to more...

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by spacecadet
Fri Oct 20, 2023 5:45 am
Forum: Technical/Operations
Topic: Looking for excerpt from an AAL OFP
Replies: 7
Views: 1179

Re: Looking for excerpt from an AAL OFP

My understanding under AC 91-70B the FAA removed the definitions of the airspace classes anyway, that was more of a hangover from the days when aircraft systems relied upon ground based updating. These days aircraft will have navigational performance levels it can maintain more accurately without t...

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by spacecadet
Wed Oct 18, 2023 6:48 am
Forum: Technical/Operations
Topic: Low Altitude Question
Replies: 14
Views: 1953

Re: Low Altitude Question

I’ve been on a couple flights where wing anti-ice was inop (something with the packs) and we had to stay pretty low. One of them was OKC-DEN and the flight turned out to be nearly three hours because we had to go around a huge line of thunderstorms… couldn’t get over them. We were nearly to ELP bef...

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by spacecadet
Sun Oct 15, 2023 6:07 am
Forum: Technical/Operations
Topic: Low Altitude Question
Replies: 14
Views: 1953

Re: Low Altitude Question

There are really too many possible variables to say with any real confidence what the reason for this was. Sometimes we just get dispatched with altitudes that look weird and it's usually just down to the winds aloft. The flight the previous day cruised at FL250 so still pretty low, and maybe the wi...

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by spacecadet
Wed Oct 04, 2023 10:16 am
Forum: Technical/Operations
Topic: How Often Is Auto Land Used?
Replies: 49
Views: 4850

Re: How Often Is Auto Land Used?

I just read most of the report and it's a little more complex than some people are making it out to be IMO. A few things jumped out at me: 1) The pilots were initially told to expect a 5 minute delay, which turned into 20 minutes and would have been longer had they not acted. 2) There was a 9 minute...

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