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Search: Posts Made By: NiclasB
Showing results 1 to 35 of 38
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Forum: Tech Log
23rd May 2021, 21:42
Replies: 20
Views: 3,432
Posted By NiclasB

Fullwings, yes, I am aware of that fact. However,...

Fullwings, yes, I am aware of that fact. However, my intention is to have the software use the raw image of the diagram and effectively draw lines on top of it that correspond to the computation in...
Forum: Tech Log
23rd May 2021, 11:49
Replies: 20
Views: 3,432
Posted By NiclasB

Mathematical functions in performance diagrams

I don't know if this is the right forum, so mods feel free to delete my question if it doesn't fit.

I have taken upon myself to digitise some scanned old performance diagrams, e.g. roll distance...
Forum: The Pacific: General Aviation & Questions
12th Oct 2020, 07:07
Replies: 27
Views: 6,539
Posted By NiclasB

In this context I would like to present the video...

In this context I would like to present the video below, where the features of the new SAAB Gripen E multi-role fighter is presented by a real pro.
...
Forum: Rumours & News
7th Jul 2019, 20:31
Replies: 63
Views: 70,894
Posted By NiclasB

Living at 64N, my seasonal observation of snow is...

Living at 64N, my seasonal observation of snow is that it falls on the top and melt at the bottom...
Forum: Rumours & News
7th Apr 2019, 18:51
Replies: 10
Views: 7,290
Posted By NiclasB

flightradar24.com shows the flight that started...

flightradar24.com shows the flight that started APR 06 and landed APR 07 at FL370 until just south of Liverpool and at FL100 just south of Aylesbury. If true, it must have been a late...
Forum: Rumours & News
5th Apr 2019, 06:38
Replies: 5,109
Views: 13,108,661
Posted By NiclasB

Elec trim about 230 knots impossible?

EASA document from Feb 2016 allegedly states that electric trim would not work above 230 knots. That might explain why they re-engaged trim (if the indication that they did re-engage trim is...
Forum: Rumours & News
8th Nov 2018, 16:23
Replies: 2,099
Views: 1,467,158
Posted By NiclasB

So, let's see if I have gotten this right...? To...

So, let's see if I have gotten this right...? To improve the CAS estimate by an insignificant(?) 2-5kts, a vulnerability was introduced that could have a SINGLE sensor trigger a UAS, which by the QRH...
Forum: Rumours & News
12th Mar 2018, 23:20
Replies: 303
Views: 389,063
Posted By NiclasB

Use of 02/20 as RWY designators

I line with cooper's info: To my knowledge, some countries, e.g. Sweden, do not use 02/20 or 13/31 as RWY designators, no matter their magnetic orientation. So it seems to be a policy matter.
Forum: Rumours & News
31st Jan 2018, 21:46
Replies: 11,831
Views: 24,206,894
Posted By NiclasB

MH370 search restarts

https://www.thestar.com.my/news/nation/2018/01/23/seabed-constructor-begins-search-for-mh370/

The Seabed Constructor is reported on site and has started the search for MH370.
Forum: Rumours & News
22nd Dec 2017, 12:57
Replies: 159
Views: 159,114
Posted By NiclasB

Public ETOPS status page?

Is the current ETOPS status for airlines/types publically available anywhere? It would be interesting to be able to follow.
Forum: Rumours & News
22nd Nov 2017, 20:03
Replies: 50
Views: 29,896
Posted By NiclasB

(Caution, bugsmasher input:) 11m/s, that's...

(Caution, bugsmasher input:)

11m/s, that's about 2150 fpm. So descending from FL320 to FL100 would take about 10 minutes. Isn't that a rather "mild" emergency descent for an A320? I've seen...
Forum: Rumours & News
6th Nov 2017, 11:56
Replies: 145
Views: 98,968
Posted By NiclasB

ATC saved the day

If the visualization by VASAviation at https://www.youtube.com/watch?v=cXNWwKx9c1o is anything to go by, it looks like the situation started when the previous aircraft, SWA3117, exited via TANGO...
Forum: Rumours & News
30th Nov 2016, 22:17
Replies: 1,096
Views: 1,234,518
Posted By NiclasB

I'm with 'wolf here. That kind of thinking would...

I'm with 'wolf here. That kind of thinking would require that he was mentally prepared for a 'low fuel' situation, which seems unlikely IMHO.
Forum: Rumours & News
30th Nov 2016, 21:49
Replies: 1,096
Views: 1,234,518
Posted By NiclasB

EFHF: Re configure for steep dive I'm told by a...

EFHF: Re configure for steep dive I'm told by a few active RJ100 crew that the bird has plenty of that to offer. 10.000+ ft/min if I remember them correctly. I guess it would be similar on the RJ85.
Forum: Rumours & News
30th Nov 2016, 13:54
Replies: 1,096
Views: 1,234,518
Posted By NiclasB

Smott, re submitted flight plans: During my ATPL...

Smott, re submitted flight plans: During my ATPL theory studies, our instructor (an MD-80 professional pilot) explained a "trick" to deal with marginal fuel/range: For a trip from A to B that passes...
Forum: Space Flight and Operations
3rd Sep 2016, 22:20
Replies: 76
Views: 47,457
Posted By NiclasB

MG23, re the boyancy forces: during acceleration,...

MG23, re the boyancy forces: during acceleration, the bouyancy forces are actually *increased*. It was counter-intuitive for me too until I read (saw?) Elon Musk explain the thing: During upward...
Forum: Tech Log
3rd Jun 2016, 09:28
Replies: 24
Views: 16,112
Posted By NiclasB

Why are gyros driven by vacuum and not high pressure air?

Apologies if this question has been answered before - I couldn't find it.

A friend of mine asked why vacuum (suction) is used to drive the gyros in small aircraft and not high pressure air. I felt...
Forum: Rumours & News
19th May 2016, 08:02
Replies: 1,184
Views: 2,630,633
Posted By NiclasB

Link to sea traffic in the area

This link will show you the marine traffic in the approximate area.

AIS Vessel Tracking - AIS Positions Maps | AIS Marine Traffic...
Forum: Nordic Forum
16th Apr 2016, 19:25
Replies: 1
Views: 3,549
Posted By NiclasB

See my post...

See my post http://www.pprune.org/atc-issues/570294-air-traffic-control-out-sweden-2.html#post9344095 about the recent official "report" on the matter.
Forum: ATC Issues
14th Apr 2016, 15:20
Replies: 29
Views: 18,513
Posted By NiclasB

First official report

The first official "report" of the event was published today at LFV's (the ATC operator) website:

LFV levererade full kapacitet 90 minuter efter radarbortfall...
Forum: Tech Log
11th Apr 2016, 08:51
Replies: 17
Views: 3,370
Posted By NiclasB

drichard, what do you mean by "residual dust and...

drichard, what do you mean by "residual dust and the effect on the engines"? If the aircraft is close enough to be affected by the dust, I'd imagine the shockwave would reduce the airframe to...
Forum: Rumours & News
10th Mar 2016, 14:02
Replies: 335
Views: 366,070
Posted By NiclasB

Andi, as the SHK did state that bank angle is...

Andi, as the SHK did state that bank angle is unreliable I wouldn't put too much interpretation into it.

What does strike me (again) is how important it is to have the CVR data as well as the FDR....
Forum: Rumours & News
9th Mar 2016, 20:51
Replies: 335
Views: 366,070
Posted By NiclasB

Possible chain of events

So...to elaborate on AAKEE:s earlier summary:

1) A/P disconnect (due to incorrect pitch indication from IRU?).
2) PF pushes nose down 1s later (due to incorrect pitch indication on PFD?).
3) g...
Forum: Rumours & News
9th Mar 2016, 18:56
Replies: 335
Views: 366,070
Posted By NiclasB

Three bad FDR parameters

Wrist watch: Actually, three parameters were listed as not compatible (on p.23 of the report): färdhastighet (ground speed), tippvinkel (pitch angle), and rollvinkel (roll angle).
Forum: Rumours & News
3rd Mar 2016, 10:19
Replies: 72
Views: 64,704
Posted By NiclasB

Zoom-in on overlay

Here is a zoomed-in image (to resolution of original debris image) that shows the inboard location:
...
Forum: Rumours & News
3rd Mar 2016, 09:59
Replies: 72
Views: 64,704
Posted By NiclasB

Debris overlayed on RHS

Teddy, as a mere PPL-I peasant with some image-manipulation capabilities, I'll take my chances... :8 :)

I agree that it is difficult to find much detail to scale by. This is my best effort to...
Forum: Rumours & News
17th Feb 2016, 07:16
Replies: 255
Views: 126,821
Posted By NiclasB

"Safe" l@ser energies

Regarding the "safe" energy levels, does anyone know how what the assumptions of the pupil size are? If the "safe" estimates are based on a normal (day adaptation) pupil, wouldn't the resulting...
Forum: Rumours & News
8th Jan 2016, 05:56
Replies: 335
Views: 366,070
Posted By NiclasB

Crash site located

Crash site located on a mountain plateau by Norwegian Air Force F-16 between northwest corner of Lake Akkajaure (in Sweden) and the Norwegian border. "It is an obvious crash site with a diameter of...
Forum: ATC Issues
9th Nov 2015, 12:35
Replies: 29
Views: 18,513
Posted By NiclasB

Klauss, thanks for the link. The timing and...

Klauss, thanks for the link. The timing and length of the event in the plots is consistent with the outage. Too bad that the monitored frequencies stop at 400MHz, but it stand to reason that the 1GHz...
Forum: ATC Issues
8th Nov 2015, 09:09
Replies: 29
Views: 18,513
Posted By NiclasB

A friend of mine who works at Sweden Control (but...

A friend of mine who works at Sweden Control (but was not at work during the incident) tells me that the MSSR system (1030/1090 MHz) was compromised such that the same aircraft could be displayed up...
Forum: Rumours & News
6th Nov 2015, 10:08
Replies: 2,082
Views: 2,495,720
Posted By NiclasB

Position of toddler

Re the position of the toddler and "defying the laws of momentum" (post #1300), how about the following scenario: HS breaks loose (for whatever reason), nose bunts down, tail and part of rear...
Forum: Rumours & News
28th Mar 2014, 08:24
Replies: 11,831
Views: 24,206,894
Posted By NiclasB

olasek

olasek: To make such a strong statement about a theory from a current T7 driver I would assume you have experience with a multiple instrument failure, possibly including fire/smoke, at night, at...
Forum: Rumours & News
20th Mar 2014, 10:05
Replies: 11,831
Views: 24,206,894
Posted By NiclasB

P3C Time on station and drop buoys?

Does anyone have figures of the approximate time on station the Aussie P3C would have? The wikipedia figures would suggest around 8 hours (16 hours endurance minus 2500nmi return trip @328KTAS). That...
Forum: Rumours & News
17th Mar 2014, 16:41
Replies: 11,831
Views: 24,206,894
Posted By NiclasB

Scenario at end of fuel exhaustion

Apologies if this question has been posted already. Have read most but not all previous posts.

Assuming the "incapacitated crew, flying on AP at FL 2XX until fuel exhaustion" scenario, could some...
Forum: Tech Log
26th Apr 2011, 11:13
Replies: 27
Views: 8,818
Posted By NiclasB

Rubber Dog: Your cited percentages (actually...

Rubber Dog: Your cited percentages (actually percentage units) correspond exactly to the difference between the gross and net climb gradients. I knew the net gradients were used for obstacle...
Showing results 1 to 35 of 38
 
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