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Search: Posts Made By: Luc Lion
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Forum: Tech Log
15th Mar 2024, 12:45
Replies: 5
Views: 923
Posted By Luc Lion

I fly RNP approaches in a single engine GA...

I fly RNP approaches in a single engine GA aircraft.
In most cases, the airport still has at least one conventional approach for the targeted runway and the RNP and conventional missed approaches...
Forum: Tech Log
14th Mar 2024, 15:51
Replies: 5
Views: 923
Posted By Luc Lion

It looks correct in the EASA world, with the...

It looks correct in the EASA world, with the proviso that point (b) and (c) in the AMC underneath allow for continuing the approach with specific conditions.
Point (b) if navigation systems offer...
14th Mar 2024, 15:15
Replies: 409
Views: 181,048
Posted By Luc Lion

To avoid fraudulent admin access, some critical...

To avoid fraudulent admin access, some critical systems allow the login of a user in administrative mode only after another user in a lower role triggers a process which basically sets the stage as...
27th Jan 2024, 05:37
Replies: 9,385
Views: 4,204,160
Posted By Luc Lion

Apologies, Meleagertoo, I was wrong and I only...

Apologies, Meleagertoo, I was wrong and I only undestand it now.
The blast that could be heard in the video is NOT the blast of the crash: it's too early and the blast of the crash should be audible...
26th Jan 2024, 16:51
Replies: 9,385
Views: 4,204,160
Posted By Luc Lion

Meleagertoo, please watch again the X video...

Meleagertoo,
please watch again the X video showing the crash from a crossing inside the Yablonovo village and listen to the blast.

I measured the distance using this satellite picture of the...
26th Jan 2024, 10:19
Replies: 24
Views: 12,313
Posted By Luc Lion

I don't understand laws that put such trespassers...

I don't understand laws that put such trespassers in prison.
Expulsing them make sense. Keeping them in administrative custody until expulsion make sense.
Fining them and freezing whatever asset...
25th Jan 2024, 15:09
Replies: 9,385
Views: 4,204,160
Posted By Luc Lion

I think you're right. But the smoke still comes...

I think you're right.
But the smoke still comes from the initial fireball and still (mostly) evolves as I described.
That said, it is quite possible that the rod expansion distorts the mushroom but...
25th Jan 2024, 13:50
Replies: 9,385
Views: 4,204,160
Posted By Luc Lion

No. A mushroom cloud just indicates that there...

No.
A mushroom cloud just indicates that there was a fireball at the place marked by its foot.
After an initial expansion phase in all directions, the heated air then starts to rise while still...
25th Jan 2024, 11:42
Replies: 9,385
Views: 4,204,160
Posted By Luc Lion

There is another thing that doesn't add up with...

There is another thing that doesn't add up with the POW transport narrative in the IL-76 crash.

Just compare the fireball produced by the IL-76 with the fireball produced by the National Air...
23rd Jan 2024, 10:09
Replies: 193
Views: 117,560
Posted By Luc Lion

I am surprised that the deviation from the...

I am surprised that the deviation from the stabilised approach which is at the inception of this incident is not analysed in this report.
The report states: "with a 6° left bank, and the wheel 17°...
Forum: Tech Log
18th Jan 2024, 10:26
Replies: 16
Views: 2,729
Posted By Luc Lion

Yes, such a wording is dangerous. It may infer...

Yes, such a wording is dangerous.
It may infer that the number of take-offs plus the number of landings can be an odd number...
16th Jan 2024, 15:25
Replies: 1,146
Views: 1,036,686
Posted By Luc Lion

I didn't mention the causes of the incident in...

I didn't mention the causes of the incident in Bordeaux because it was obviously completely different from what happened in Haneda and I didn't want to appear to disparage controllers.
I just wanted...
16th Jan 2024, 13:11
Replies: 1,146
Views: 1,036,686
Posted By Luc Lion

Only until Standard Mandarin Chinese or Hindi...

Only until Standard Mandarin Chinese or Hindi replaces it...
16th Jan 2024, 12:15
Replies: 1,146
Views: 1,036,686
Posted By Luc Lion

aox, the circumstances of the Haneda accident...

aox,
the circumstances of the Haneda accident look to be that the Dash-8 crew thought to have received a clearance to line up and wait while they actually had received and read back a clearance to...
16th Jan 2024, 11:51
Replies: 1,146
Views: 1,036,686
Posted By Luc Lion

ATC Watcher, Bergerie1, framer, I read and...

ATC Watcher, Bergerie1, framer,
I read and respect your reluctance to modify radio procedures.

However, I still think that, when a runway clearance has been issued long before executing it, it...
16th Jan 2024, 11:22
Replies: 73
Views: 27,748
Posted By Luc Lion

I believe that, if someone is rude or yells at...

I believe that, if someone is rude or yells at you on the frequency, a good response is "Say again".
12th Jan 2024, 11:13
Replies: 1,146
Views: 1,036,686
Posted By Luc Lion

There is one additional Reason plate that could...

There is one additional Reason plate that could be added at almost no cost.
The cost would be a handful of meetings at ICAO plus some "getting used to the new rules" for pilots and controllers.
...
Forum: Tech Log
3rd Jan 2024, 15:30
Replies: 7
Views: 1,314
Posted By Luc Lion

The torque or moment of force is simply the...

The torque or moment of force is simply the product of the force value by the arm length with which the force makes the object pivot around its center of gravity. That torque is the intensity of the...
3rd Jan 2024, 14:22
Replies: 1,146
Views: 1,036,686
Posted By Luc Lion

For any pilot familiar with Haneda, are the...

For any pilot familiar with Haneda, are the statements "spot 18" and "spot 21" referring to parking pre-allocated spots? Is there a requirement to state the parking spot in the first message sent to...
3rd Jan 2024, 14:10
Replies: 1,146
Views: 1,036,686
Posted By Luc Lion

Just to clear any potential misunderstanding,...

Just to clear any potential misunderstanding, JAL166 is NOT the landing aircraft involved in the accident (which is JAL516) but is the next aircraft in the approach sequence. It can be assumed that...
Forum: Tech Log
30th Nov 2023, 14:01
Replies: 8
Views: 1,657
Posted By Luc Lion

I just checked the official chart of EGSS...

I just checked the official chart of EGSS approach RNP Z R04 in the IAP, current Airac, here: https://www.aurora.nats.co.uk/htmlAIP/Publications/2023-11-30-AIRAC/graphics/359022.pdf
It does NOT...
Forum: Tech Log
27th Nov 2023, 12:05
Replies: 12
Views: 1,470
Posted By Luc Lion

Are you hinting that the river has been named...

Are you hinting that the river has been named "Wye" because of the angle it makes when it joins the Severn? :E
Forum: Tech Log
25th Nov 2023, 21:18
Replies: 15
Views: 821
Posted By Luc Lion

@Checkboard...

@Checkboard (https://www.pprune.org/members/2609-checkboard), that makes sense.
(unlike all the comments stating that piston engines are less reliable, do not feather, etc ; all things that are...
Forum: Tech Log
22nd Nov 2023, 09:09
Replies: 12
Views: 1,470
Posted By Luc Lion

I guess that "shibboleth" is also not part of...

I guess that "shibboleth" is also not part of these 2000 words.
Forum: Tech Log
21st Nov 2023, 21:24
Replies: 15
Views: 821
Posted By Luc Lion

That's the thought I had 23 years ago when I had...

That's the thought I had 23 years ago when I had to first learn that regulation.
And lately, it occurred to me that a reliable turbine engine with no fuel is as useless as a non reliable piston...
Forum: Tech Log
21st Nov 2023, 13:39
Replies: 12
Views: 1,470
Posted By Luc Lion

https://assets.publishing.service.gov.uk/media/58c...

https://assets.publishing.service.gov.uk/media/58c9159bed915d6035000174/Airbus_A320-214_G-EZWX_03-17.pdf


This image helps understand the link from the 3 electric motors to the 2 hydraulic...
21st Nov 2023, 08:56
Replies: 443
Views: 120,200
Posted By Luc Lion

@safetypee...

@safetypee (https://www.pprune.org/members/62187-safetypee), I believe that this concept of system drifting process could also fairly describe the engineering of the B737 Max MCAS.
And, to be fair,...
Forum: Tech Log
20th Nov 2023, 17:02
Replies: 15
Views: 821
Posted By Luc Lion

Fuel reserve Turbine / Piston

Does anyone know why the final reserve is 30 minutes for IFR in a turbine aircraft (or in day VFR) while it is 45 minutes for IFR in a piston aircraft (or in night VFR).
This difference is...
20th Nov 2023, 13:34
Replies: 132
Views: 71,500
Posted By Luc Lion

As mentioned by CaptainProp, the extra fuel burn...

As mentioned by CaptainProp, the extra fuel burn caused by additional weight is computed using the weight factor.
The weight factor for modern aircrafts is typically between 3.1% per hour and 3.5%...
Forum: Tech Log
13th Oct 2023, 07:59
Replies: 18
Views: 2,288
Posted By Luc Lion

If your aircraft is fully serviceable and you are...

If your aircraft is fully serviceable and you are not facing any sort of emergency, and the controller instruct you to go around, I don't see any reason to not just comply.
Forum: Tech Log
9th Oct 2023, 08:38
Replies: 18
Views: 2,288
Posted By Luc Lion

Could you elaborate on the scenario you...

Could you elaborate on the scenario you contemplate?
And what are these ATC instructions in this scenario?
26th Sep 2023, 14:17
Replies: 54
Views: 25,324
Posted By Luc Lion

Strange. Spoofing the signal of a single GPS...

Strange.
Spoofing the signal of a single GPS satellite would just result in the RAIM system discarding that satellite data.
And spoofing the signal of all satellites that are in line of sight would...
Forum: ATC Issues
26th Sep 2023, 10:05
Replies: 125
Views: 28,050
Posted By Luc Lion

Alsacienne, your avatar's name suggests that you...

Alsacienne, your avatar's name suggests that you may be French.
You may then be aware of the Nantes mid-air collision in 1973.
The replacement of civilian air controllers with military ones (plan...
14th Sep 2023, 17:21
Replies: 17
Views: 7,845
Posted By Luc Lion

Wonder if this is related to the Marabu an Air...

Wonder if this is related to the Marabu an Air China incidents.
14th Sep 2023, 17:15
Replies: 409
Views: 181,048
Posted By Luc Lion

What is particularly strange is that there IS a...

What is particularly strange is that there IS a database with unique 5 characters waypoint designators. This is the 5LNCs ICARD database promoted by ICAO and eurocontrol.
The purpose of this...
Showing results 1 to 35 of 262
 


 
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