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Search took 3.19 seconds. Search: Posts Made By: MCM
Forum: Aviation Safety Discussion Forum 11-12-2012, 09:55 PM
Replies: 75
Views: 4,623
Posted By MCM
I would strongly question what a "valid need" is...

I would strongly question what a "valid need" is in this circumstance. Having to land on a wet runway in the driving rain because you have no other options... absolutely. Wanting to make a taxiway...
Forum: Aviation Safety Discussion Forum 11-12-2012, 11:19 AM
Replies: 75
Views: 4,623
Posted By MCM
I don't know where you fly, but if I "dip below...

I don't know where you fly, but if I "dip below the standard approach path" by more than a few feet at the last stages of the approach (say half a dot on a G/S) I'd be hauled over the coals!...
Forum: Aviation Safety Discussion Forum 10-18-2012, 10:44 AM
Replies: 16
Views: 2,691
Posted By MCM
Pretty good reason not to stand under an aircraft...

Pretty good reason not to stand under an aircraft on final approach!
Forum: Aviation Safety Discussion Forum 10-07-2012, 11:30 PM
Replies: 25
Views: 3,059
Posted By MCM
TCPs for mine. Why? Because I've seen it a...

TCPs for mine.

Why? Because I've seen it a couple of times before, and in scenarios where only the pilots have been particularly affected while most in the cabin haven't noticed a thing.
...
Forum: Aviation Safety Discussion Forum 10-06-2012, 08:38 AM
Replies: 25
Views: 3,059
Posted By MCM
The bleed air does indeed come from the...

The bleed air does indeed come from the compressor - the stage depends on the engine and the thrust setting at the time. The air is bloody hot when it comes out though!

The chemicals that have...
Forum: Aviation Safety Discussion Forum 07-06-2012, 12:11 PM
Replies: 2,438
Views: 282,074
Posted By MCM
OK, So did all three pilots not understand...

OK,

So did all three pilots not understand what was going on?

Did both pilots comprehend the fact, at the start, that it was unreliable airspeed?

Or did ONE pilot not become in the loop and...
Forum: Aviation Safety Discussion Forum 07-03-2012, 10:57 PM
Replies: 23
Views: 1,946
Posted By MCM
1 - The "reason" could also be that you shed one...

1 - The "reason" could also be that you shed one first because if you shed both you would have no way of determining which side was causing the smoke.

2 - "If unsuccessful [shed] the other...
Forum: Aviation Safety Discussion Forum 07-03-2012, 07:57 AM
Replies: 23
Views: 1,946
Posted By MCM
Evan, Just read the checklists that you...

Evan,

Just read the checklists that you linked to.

Where does it say that both busses should not be turned off at the same time?

The procedure states to turn off a bus, and if that is...
Forum: Aviation Safety Discussion Forum 06-30-2012, 08:54 AM
Replies: 22
Views: 2,221
Posted By MCM
But on that day, the minima is CAT I minima....

But on that day, the minima is CAT I minima. No-one can descend below that. I can have CAT III equipment, the critical areas can be protected, all the good stuff in place - but to do the approach...
Forum: Aviation Safety Discussion Forum 06-29-2012, 12:22 PM
Replies: 22
Views: 2,221
Posted By MCM
Its not necessarily for the human lowest common...

Its not necessarily for the human lowest common denominator.

I'll expand a little on the Cat I/II/III example.

For a CAT III approach, the airport requires a certain amount of approach lighting...
Forum: Aviation Safety Discussion Forum 06-28-2012, 08:39 AM
Replies: 22
Views: 2,221
Posted By MCM
Incorrect Evan. There are plenty of things...

Incorrect Evan.

There are plenty of things that are illegal and yet perfectly safe.

Not all aviation regulations are safety related, and many aviation regulations are in place for "lowest...
Forum: Aviation Safety Discussion Forum 06-27-2012, 11:36 AM
Replies: 43
Views: 4,255
Posted By MCM
Well, this time it was a pretty good effort at a...

Well, this time it was a pretty good effort at a "summary" ;).

I don't think any of us around here are ever particularly concise ;). At least we've all been floating around here for long enough to...
Forum: Aviation Safety Discussion Forum 06-27-2012, 12:59 AM
Replies: 60
Views: 5,059
Posted By MCM
Interesting - I just learned something new there!...

Interesting - I just learned something new there!

My airlines version of the Perf/Lims has hard limits. Not demontrated maximums.
Forum: Aviation Safety Discussion Forum 06-27-2012, 12:56 AM
Replies: 191
Views: 30,356
Posted By MCM
This wasn't a commercial aeroplane. It was...

This wasn't a commercial aeroplane.

It was an experimental pre-production model of what is going to become a commercial aeroplane.

These are still in the test pilots realm.

It wouldn't...
Forum: Aviation Safety Discussion Forum 06-27-2012, 12:48 AM
Replies: 60
Views: 5,059
Posted By MCM
Evan, The thing is that crew should already...

Evan,

The thing is that crew should already be doing that, and airlines should be providing training to their crews to be making decisions based on that sort of information.

As you know I...
Forum: Aviation Safety Discussion Forum 06-27-2012, 12:34 AM
Replies: 43
Views: 4,255
Posted By MCM
Thats a very interesting question. More...

Thats a very interesting question. More interesting is "does it take 3 hours to get below maximum landing weight".

Gabriel has summarised it quite well.

At the end of the day, there is a...
Forum: Aviation Safety Discussion Forum 06-21-2012, 11:43 PM
Replies: 43
Views: 4,255
Posted By MCM
My point wasn't so much a criticism that they...

My point wasn't so much a criticism that they should have landed sooner - more a comment that it was unlikely that they were only operating on one hydraulic system.

Had there only been one single...
Forum: Aviation Safety Discussion Forum 06-21-2012, 12:06 PM
Replies: 43
Views: 4,255
Posted By MCM
If I only had one hydro system I think I'd be...

If I only had one hydro system I think I'd be putting the aeroplane on the ground pretty quickly!
Forum: Aviation Safety Discussion Forum 06-20-2012, 10:23 AM
Replies: 2,438
Views: 282,074
Posted By MCM
Pan Pan is not a particularly rare event FoF. The...

Pan Pan is not a particularly rare event FoF. The would have been plenty used since the 5th of May.

They just achieve radio priority, and ultimately (if required) priority handling.

The...
Forum: Aviation Safety Discussion Forum 06-19-2012, 11:21 PM
Replies: 2,438
Views: 282,074
Posted By MCM
Taliesin, A few big assumptions you've made...

Taliesin,

A few big assumptions you've made there!

That said, yes, AF447 was not operating in coffin corner.

Gabriel,

That all makes sense about energy. What happens when you go...
Forum: Aviation Safety Discussion Forum 06-19-2012, 07:45 AM
Replies: 2,438
Views: 282,074
Posted By MCM
That depends on what altitude you are flying. ...

That depends on what altitude you are flying.

It is often a balancing act between the optimum altitude for lower engine fuel burn, and time.

In this part of the world it is not unusual use...
Forum: Aviation Safety Discussion Forum 06-17-2012, 02:54 PM
Replies: 6
Views: 1,209
Posted By MCM
It may not have had anything to do with the Tiger...

It may not have had anything to do with the Tiger Woods camp at all. In fact I'd actively suggest it had nothing to do with them.

It could well have been the FAA not being happy with what was...
Forum: Aviation Discussion Forum 06-16-2012, 12:47 PM
Replies: 3
Views: 724
Posted By MCM
Also remember that the 737 was designed in days...

Also remember that the 737 was designed in days where fuel costs were not the most important thing in an operation. Gear doors and actuators add weight, and the fuseage isn't all that big. Would you...
Forum: Aviation Safety Discussion Forum 06-15-2012, 11:15 PM
Replies: 124
Views: 14,805
Posted By MCM
It is very very difficult to acurately know the...

It is very very difficult to acurately know the braking conditions that will be experienced for a specific landing. It is something that the industry has worked quite hard on, but hasn't completely...
Forum: Aviation Safety Discussion Forum 06-13-2012, 11:36 PM
Replies: 124
Views: 14,805
Posted By MCM
In an ideal world, yes, you would go back and...

In an ideal world, yes, you would go back and check the speedbrake handle.

This was not an ideal world. The crew were not decelerating as they would expect, but in very poor conditions. The...
Forum: Aviation Safety Discussion Forum 06-13-2012, 07:01 AM
Replies: 124
Views: 14,805
Posted By MCM
I personally don't like the word blame being used...

I personally don't like the word blame being used here, simply because of its connotations of punishment. That isn't helpful.

Finding it as a causal factor achieves the same positive safety...
Forum: Aviation Safety Discussion Forum 06-13-2012, 12:02 AM
Replies: 124
Views: 14,805
Posted By MCM
G'day TeeVee. The speedbrake not deploying is a...

G'day TeeVee. The speedbrake not deploying is a little different to most ordinary system failures and has a higher reliance on checking its operation. Speedbrakes sometimes don't auto deploy - its...
Forum: Aviation Safety Discussion Forum 06-08-2012, 03:20 AM
Replies: 42
Views: 2,849
Posted By MCM
Here we go...

Here we go...
Forum: Aviation Safety Discussion Forum 06-07-2012, 11:50 PM
Replies: 2,438
Views: 282,074
Posted By MCM
One minute to return to the flight deck is...

One minute to return to the flight deck is nothing. If you're asleep, by the time you get the call to come back, actually register whats going on, get out of the crew rest, and go through the...
Forum: Aviation Safety Discussion Forum 06-05-2012, 03:17 AM
Replies: 21
Views: 2,761
Posted By MCM
The point is, Deadstick, can you confirm to me...

The point is, Deadstick, can you confirm to me that there is no way that they do?

Personally, I have received that annoying mobile phone interference over the headset, and have seen them make...
Forum: Aviation Safety Discussion Forum 06-04-2012, 11:35 PM
Replies: 21
Views: 2,761
Posted By MCM
xspeedy, you know the other thing that changes...

xspeedy, you know the other thing that changes when the airline sees profit in it don't you... testing.

One particular wifi system required the aircraft to have the equipment installed, then...
Forum: Aviation Safety Discussion Forum 05-28-2012, 05:11 AM
Replies: 57
Views: 3,239
Posted By MCM
Interception by military aircraft doesn't make...

Interception by military aircraft doesn't make people think they're going to be blown out of the sky.

In most cases passengers won't even know they are there. Military aircraft don't have to come...
Forum: Aviation Safety Discussion Forum 05-26-2012, 12:53 PM
Replies: 191
Views: 30,356
Posted By MCM
The answer to Evan's hypothesis will be largely...

The answer to Evan's hypothesis will be largely answered by time - specifically the time any (if any) GPWS warnings were activated and any action taken/collision.

The question of "what were they...
Forum: Aviation Safety Discussion Forum 05-26-2012, 05:01 AM
Replies: 191
Views: 30,356
Posted By MCM
Even if a GPWS alarm goes off, it doesn't...

Even if a GPWS alarm goes off, it doesn't guarantee that you won't hit the hill. Particularly very steep hills. From the simulator, you get very very close to the hill before it commands a climb.
...
Forum: Aviation Safety Discussion Forum 05-26-2012, 04:53 AM
Replies: 57
Views: 3,239
Posted By MCM
G'day All, I am certainly no expert in US...

G'day All,

I am certainly no expert in US Law (in fact I would be the complete opposite), however seeing most non-pilots like to tell pilots how to do their job I thought I'd have a go at...
Forum: Aviation Discussion Forum 05-23-2012, 11:11 PM
Replies: 3
Views: 502
Posted By MCM
CathayPacific, I'm not exactly sure how it...

CathayPacific,

I'm not exactly sure how it does that. The two have been different divisions for a long time. Last years report detailed QF International's loss seperately to the rest of the Group....
Forum: The Briefing Room 05-21-2012, 12:59 AM
Replies: 37
Views: 2,527
Posted By MCM
The answer TeeVee is yes, assuming no...

The answer TeeVee is yes, assuming no autothrottle/autothrust was engaged, if you simply set maximum power at a relatively low altitude and flew level, you would comfortably exceed the maximum speed....
Forum: Aviation Safety Discussion Forum 05-14-2012, 05:56 AM
Replies: 191
Views: 30,356
Posted By MCM
The part that intregues me is that they were...

The part that intregues me is that they were doing a descending orbit, supposedly well clear of the terrain, and then have somehow found themselves back at the hills. The question will have to be...
Forum: Aviation Safety Discussion Forum 05-07-2012, 04:11 AM
Replies: 27
Views: 2,177
Posted By MCM
They say they bought them approximately 25 years...

They say they bought them approximately 25 years ago for $350,000. If that was invested by AA at say 7%, that is now worth somewhere near 1.9 million.

1.9 Million buys a lot of flights. More to...
Forum: Aviation Discussion Forum 05-04-2012, 12:21 PM
Replies: 14
Views: 983
Posted By MCM
You would probably not be surprised to learn that...

You would probably not be surprised to learn that the workers groups do not agree with the assessment as put by the company!

They argue that they have offered cost savings in their contracts 3...
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