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Search: Posts Made By: OPEN DES
Showing results 1 to 35 of 351
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Forum: Tech Log
3rd Dec 2023, 13:22
Replies: 26
Views: 4,077
Posted By OPEN DES

as Simon described the kinematics do not...

as Simon described the kinematics do not necessarily describe the input vs output, rather it’s a block inside the flight control loop.

In Conf FULL you will get roll spoiler deflection the moment...
Forum: Tech Log
18th Sep 2023, 22:49
Replies: 12
Views: 2,151
Posted By OPEN DES

Hello, Normal Law: Roll-rate order is...

Hello,

Normal Law:
Roll-rate order is linear to sidestick deflection in Normal Law. Max 15deg/sec except for a few caveats, which I will not go into.
Corresponding maximum Aileron and Spoiler...
Forum: Tech Log
8th Jun 2023, 19:14
Replies: 5
Views: 1,178
Posted By OPEN DES

Pitch trim: out of green band (A320 variant...

Pitch trim: out of green band (A320 variant specific)
rudder trim: more than 3.6 units L/R
Forum: Tech Log
5th Apr 2023, 05:37
Replies: 9
Views: 2,261
Posted By OPEN DES

Dear SB, You are completely right. Missed...

Dear SB,

You are completely right. Missed that paragraph… thanks!
In any case the same message stands: we cannot look at things in isolation. The notion of delaying the L/G still stands.

Brgds
Forum: Tech Log
4th Apr 2023, 07:42
Replies: 9
Views: 2,261
Posted By OPEN DES

You’re missing the point, you need to adapt to...

You’re missing the point, you need to adapt to the context of the situation to achieve the safest outcome. Which is possible while balancing the different requirements.

There are three...
Forum: Tech Log
4th Apr 2023, 07:17
Replies: 15
Views: 2,518
Posted By OPEN DES

Multiscan: 0.07g RDR-4000: 0.15g

Multiscan:
0.07g

RDR-4000:
0.15g
Forum: Tech Log
11th Jan 2023, 14:56
Replies: 15
Views: 2,465
Posted By OPEN DES

Yes the elevators provide the pitch down below 30...

Yes the elevators provide the pitch down below 30 ft. THS is declutched, so it’s elevators only.
Forum: Tech Log
11th Jan 2023, 06:56
Replies: 15
Views: 2,465
Posted By OPEN DES

Hello, The flare law is a pitch attitude...

Hello,

The flare law is a pitch attitude demand control law with direct and integrated lines, whereby THS is declutched below 50ft RA: i.e. only the elevators are actuated.

θc=pitch commanded...
Forum: Tech Log
10th Jan 2023, 07:26
Replies: 15
Views: 2,465
Posted By OPEN DES

The AP will trip off at alpha prot + 1 deg (a320...

The AP will trip off at alpha prot + 1 deg (a320 ceo) some phase advance for pitch rate considered for a318/319/319 ceo and all neos.
Alpha floor activation by fac (alpha) or elac (alpha/pitch plus...
Forum: Tech Log
12th Aug 2021, 05:27
Replies: 22
Views: 6,528
Posted By OPEN DES

Hi Available as an option on the A320, A330...

Hi
Available as an option on the A320, A330 depending on FMG(E)S standard.
Standard on A350.
Cheers

PS: the FCOM description just generally describes the feature along the lines of: In the case...
Forum: Tech Log
8th Aug 2021, 17:16
Replies: 22
Views: 6,528
Posted By OPEN DES

Thanks. I stand corrected!

Thanks. I stand corrected!
Forum: Tech Log
7th Aug 2021, 13:56
Replies: 22
Views: 6,528
Posted By OPEN DES

For descent there are the following inhibitions ...

For descent there are the following inhibitions

Below 1450 there will be no ‘INCREASE DESCEND x2’ RA.
Below 1000 there will be no “DESCEND x2’ RA.
Below 900 there will be no more RA: TA only....
Forum: Tech Log
6th Aug 2021, 15:13
Replies: 6
Views: 2,287
Posted By OPEN DES

Probably not possible because the RX waypoint is...

Probably not possible because the RX waypoint is not part of the database but rather generated upon approach selection.
Forum: Tech Log
4th Aug 2021, 09:20
Replies: 9
Views: 2,717
Posted By OPEN DES

Hi CM1, Unfortunately no written reference...

Hi CM1,

Unfortunately no written reference that I can share with you. If you are a tech pilot you may have access to Airbus World where in the A320 ESLD (ECAM System Logic Data) document you will...
Forum: Tech Log
4th Aug 2021, 07:43
Replies: 9
Views: 2,717
Posted By OPEN DES

It is a case of the ECAM system display logic not...

It is a case of the ECAM system display logic not being apparent by just looking at the FCOM.

The display of the various action lines depend on the actual Failure Case leading to the triggering of...
Forum: Tech Log
3rd Aug 2021, 21:32
Replies: 9
Views: 2,717
Posted By OPEN DES

CFM LEAP No. It is to avoid rapid thrust...

CFM LEAP
No.
It is to avoid rapid thrust changes as per ECAM, only manual thrust can guarantee to do that.
Forum: Tech Log
2nd Aug 2021, 14:05
Replies: 56
Views: 20,156
Posted By OPEN DES

It’s a recommendation only, so it will never...

It’s a recommendation only, so it will never become an action-line. (Except for G+B) Not in the Summary nor on the STS page. There are cases where you’d want to keep the A/THR on against the general...
Forum: Tech Log
2nd Aug 2021, 12:40
Replies: 56
Views: 20,156
Posted By OPEN DES

The recommendation is still there. Check L2 note...

The recommendation is still there. Check L2 note inside FCOM-PRO-ABN-F/CTL-DIRECT LAW.
Forum: Tech Log
2nd Aug 2021, 09:14
Replies: 56
Views: 20,156
Posted By OPEN DES

Hi Vilas, As you know the Summary is a tool to...

Hi Vilas,
As you know the Summary is a tool to manage the workload during a complex failure when time is critical.
The Summaries contain the minimum information to get the aircraft on the ground...
Forum: Tech Log
1st Aug 2021, 20:17
Replies: 56
Views: 20,156
Posted By OPEN DES

Yes, A/THR off = Man Thr

Yes, A/THR off = Man Thr
Forum: Tech Log
1st Aug 2021, 19:09
Replies: 56
Views: 20,156
Posted By OPEN DES

Hi vilas Thanks for your reply. Two...

Hi vilas

Thanks for your reply.
Two reasons I gave I cannot give you a reference for, sorry. But let’s say that it is pretty reliable.

Indeed, only G+B SYS LO PR mandates A/THR OFF due to...
Forum: Tech Log
1st Aug 2021, 16:21
Replies: 56
Views: 20,156
Posted By OPEN DES

vilas Hello there, (For Direct Law...

vilas

Hello there,

(For Direct Law Airbus recommends use of manual thrust.)

The technical reasons for using Selected speed for VAPP with LDG with S/F jammed are the following:
1. The...
Forum: Tech Log
24th Jul 2021, 08:58
Replies: 8
Views: 5,090
Posted By OPEN DES

OFF TOPIC This is only the case for the A320...

OFF TOPIC

This is only the case for the A320 series. A330/340/350/380 no difference.
Forum: Tech Log
31st Mar 2021, 15:17
Replies: 43
Views: 11,700
Posted By OPEN DES

A320 stall warning is not compensated for...

A320 stall warning is not compensated for compressibility (unlike A330/350) I.e. it comes late at high altitude, well below Vsw. You’ll also have deterrent buffet well before that.

Food for...
Forum: Tech Log
20th Feb 2021, 00:41
Replies: 13
Views: 3,120
Posted By OPEN DES

120 ft/min is min target in SRS only. in...

120 ft/min is min target in SRS only.

in CLB/OP CLB there is an energy trade-off between rate of change of kinetic (acceleration) and potential (climb rate) energy. But hard to put numbers on it....
Forum: Tech Log
12th Feb 2021, 04:13
Replies: 14
Views: 6,228
Posted By OPEN DES

Hi. Think terrain. In some cases the engine...

Hi.
Think terrain.
In some cases the engine failure case (escape route) could be more penalizing than the decompression escape route (especially with lots of oxygen, where vertical profile could...
Forum: Terms and Endearment
1st Apr 2020, 15:51
Replies: 49
Views: 30,217
Posted By OPEN DES

Why would that be too much?? These guys and...

Why would that be too much??
These guys and girls paid a whole lot of tax in their lives!
Forum: Interviews, jobs & sponsorship
1st Apr 2020, 15:46
Replies: 208
Views: 153,929
Posted By OPEN DES

And here you are. Browsing on a pilots forum....

And here you are.
Browsing on a pilots forum....
Forum: Tech Log
26th Mar 2020, 15:19
Replies: 55
Views: 21,669
Posted By OPEN DES

You’re welcome. be safe!

You’re welcome.
be safe!
Forum: Tech Log
26th Mar 2020, 10:23
Replies: 55
Views: 21,669
Posted By OPEN DES

Hi! in your example where 3.4 would be the...

Hi!
in your example where 3.4 would be the corrected FPA. If you’d set 3.0, you will probably gain around 40ft/nm.
40ft high at the first DME check would entice you to set 3.4. This would lead to...
Forum: Tech Log
26th Mar 2020, 09:20
Replies: 55
Views: 21,669
Posted By OPEN DES

I think you’re missing the point here. Indeed...

I think you’re missing the point here.
Indeed (ballpark)
delta 1.0 fpa = delta 100 ft/nm
hence
delta 0.1 fpa = delta 10ft/nm (the correction you’re talking about)

However these are corrections...
Forum: Tech Log
24th Mar 2020, 13:10
Replies: 55
Views: 21,669
Posted By OPEN DES

You’d be surprised.... few people realize. FPA...

You’d be surprised.... few people realize.
FPA as a flight guidance target is a performance target, not a geometric target. As you said.....

Off-topic
PS: hence the preference to use ALT p/b iso...
Forum: Tech Log
24th Mar 2020, 13:03
Replies: 55
Views: 21,669
Posted By OPEN DES

Yes. You set what you need, be it: a corrected...

Yes. You set what you need, be it: a corrected FPA but not necessarily the exact one that you extracted from a chart.
What I am arguing is to use a corrected FPA from the FDP, directly proportionate...
Forum: Tech Log
23rd Mar 2020, 17:57
Replies: 55
Views: 21,669
Posted By OPEN DES

The FPA correction chart in your QRH is a company...

The FPA correction chart in your QRH is a company specific DU.
Airbus abandoned the FPA correction chart because they don’t want crew to blindly select an FPA and then stop monitoring ‘alt vs...
Forum: Tech Log
4th Mar 2020, 12:06
Replies: 8
Views: 7,814
Posted By OPEN DES

The excessive xtk error was most likely caused by...

The excessive xtk error was most likely caused by the non-sequencing of the the flightplan. I.e. XTK error based on a flightplan leg well behind you!
Showing results 1 to 35 of 351
 
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