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Search: Posts Made By: decurion
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Forum: Tech Log
20th Jan 2013, 13:15
Replies: 12
Views: 2,695
Posted By decurion

"for the most part they all result from unstable...

"for the most part they all result from unstable approaches and long landings".

You are correct regarding long landings. In about 40% of all landing overruns this was a direct causal factor....
Forum: Tech Log
19th Jan 2013, 10:58
Replies: 12
Views: 2,695
Posted By decurion

I have studied landing overruns for a long time...

I have studied landing overruns for a long time now. I also worked on the European Action Plan for the Prevention of Runway Excursions (http://www.skybrary.aero/bookshelf/books/2053.pdf). Like many...
Forum: Tech Log
12th Nov 2012, 12:12
Replies: 11
Views: 5,600
Posted By decurion

These are indeed recommendations given by ICAO...

These are indeed recommendations given by ICAO whendesigning a new runway. They are often confused as being the requirements foraircraft operations. However local authorities may stick to the advised...
Forum: Tech Log
12th Nov 2012, 08:39
Replies: 11
Views: 5,600
Posted By decurion

B757s are being operated at runways with a width...

B757s are being operated at runways with a width as low as 30 m. The ICAO airport design requirements for runway width don’t apply to aircraft operations. FAR/JAR/CS 25 regulations don’t mention...
Forum: Tech Log
12th Oct 2012, 14:47
Replies: 20
Views: 3,473
Posted By decurion

Hi hikoushi; If you want some slat data for...

Hi hikoushi;

If you want some slat data for the dc9 please drop me a PM. I Will have something for you.
Forum: Tech Log
21st May 2012, 15:23
Replies: 31
Views: 11,184
Posted By decurion

check out: Idle reverse versus full reverse...

check out:
Idle reverse versus full reverse thrust: the balance between safety, economics, and noise
Paper presented at the 24th annual European Aviation Safety Seminar (EASS)
Dublin,...
Forum: Questions
4th May 2012, 14:48
Replies: 12
Views: 11,874
Posted By decurion

36 inservice (including military)

36 inservice (including military)
Forum: Tech Log
24th Dec 2011, 13:14
Replies: 28
Views: 5,115
Posted By decurion

Centaurus...

Centaurus (http://www.pprune.org/members/11325-centaurus)



It is well-known that it is extremely difficult for pilots to assess the accuracy of flight simulators. It is proven to be...
Forum: Tech Log
22nd Dec 2011, 15:28
Replies: 4
Views: 4,967
Posted By decurion

it is all in report. Fig. 1 gives the engine...

it is all in report. Fig. 1 gives the engine efficieny as function of engine bypass ratio. For aircraft not listed you can do your own using payload range diagrams.
Forum: Tech Log
22nd Dec 2011, 14:02
Replies: 28
Views: 5,115
Posted By decurion

Dear ZFT, I am not sure what the...

Dear ZFT,

I am not sure what the basis is for this remark. Personal experience or results from a survey? I have seen several results from surveys conducted under training instructors and...
Forum: Tech Log
22nd Dec 2011, 12:53
Replies: 28
Views: 5,115
Posted By decurion

It is not uncommon that airlines limit the...

It is not uncommon that airlines limit the crosswind under which first officers can land. When they have flown for a certain amount of hours on the type or say a year after completing of the route...
Forum: Tech Log
22nd Dec 2011, 07:45
Replies: 5
Views: 9,927
Posted By decurion

Dear flyboyike...

Dear flyboyike (http://www.pprune.org/members/135146-flyboyike),

Does your airline state that these are steady winds or do you assume this? Most advisory material from manufactures on crosswind...
21st Dec 2011, 10:07
Replies: 222
Views: 98,624
Posted By decurion

It seems like a classic runway confusion...

It seems like a classic runway confusion incident. The factors that were related to this incident are typically reported in such cases. Six of the causal factors out of the top eight were present in...
Forum: Tech Log
16th Dec 2011, 09:39
Replies: 4
Views: 4,967
Posted By decurion

Table 1 and 2 of the following report should help...

Table 1 and 2 of the following report should help you:

The initial calculation of range and mission fuel during conceptual design :: TU Delft Institutional Repository...
Forum: Tech Log
4th Dec 2011, 12:31
Replies: 5
Views: 1,543
Posted By decurion

FYI a recent passenger weight survey conducted...

FYI a recent passenger weight survey conducted for EASA:

http://www.easa.eu.int/rulemaking/docs/research/Weight%20Survey%20R20090095%20Final.pdf

We learned for this and other studies (e.g. done...
Forum: Jet Blast
4th Dec 2011, 12:18
Replies: 25
Views: 6,975
Posted By decurion

Another safety problem that Iran Air has, was...

Another safety problem that Iran Air has, was discussed at the latest International Air Safety Seminar (Singapore, November 2011). It was stated that it was difficult to train new pilots (lack of...
2nd Dec 2011, 18:50
Replies: 24
Views: 15,039
Posted By decurion

Incident: Singapore B744 at Singapore on Dec 2nd...

Incident: Singapore B744 at Singapore on Dec 2nd 2011, runway excursion (http://avherald.com/h?article=44706cf6&opt=0)
1st Dec 2011, 13:59
Replies: 82
Views: 32,971
Posted By decurion

The F/O had 2308 hrs on the B737 of which 2147...

The F/O had 2308 hrs on the B737 of which 2147 hrs at Atlas Blue (RAM). He got most of his hrs/training at Atlas Blue. The Capt. had 7200 hrs on the B737 of which 1218 hrs flying for Atlas Blue. For...
Forum: Tech Log
30th Nov 2011, 19:23
Replies: 2
Views: 1,882
Posted By decurion

Crosswinds are never demonstrated on contaminated...

Crosswinds are never demonstrated on contaminated runways. It is complex and too risky to do full-scale tests. Furthermore certification rules such as FAR 25, EASA CS 25 don’t require this. The...
30th Nov 2011, 19:08
Replies: 82
Views: 32,971
Posted By decurion

It is not clear to me if RAM is completely...

It is not clear to me if RAM is completely responsible for the captain’s poor skills and CRM. He had over 7000 hrs on the 737 and only started to work recently for RAM. You would expect that he had...
29th Nov 2011, 18:38
Replies: 82
Views: 32,971
Posted By decurion

Final Report

Here is the final report (in Dutch):

Noodlanding na vogelaanvaring, Amsterdam Schiphol Airport, 6 juni 2010 - De Onderzoeksraad voor veiligheid...
Forum: Tech Log
17th Nov 2011, 12:29
Replies: 2
Views: 789
Posted By decurion

I agree with Microburst2002...

I agree with Microburst2002 (http://www.pprune.org/members/108480-microburst2002).

Perhaps these lecture notes will help you:

Lecture notes on airplane stability and control I: Part II :: TU...
15th Nov 2011, 09:00
Replies: 1,543
Views: 769,614
Posted By decurion

Investigation finished within 6 months???

The Dutch Minister of Foreign Affairs Mr. Rosenthal has been in Tripoli last Sunday. He spoke to Mustafa Abdul Jali about the accident investigation. The Minister stated that the investigation was...
Forum: Tech Log
9th Oct 2011, 09:06
Replies: 5
Views: 2,822
Posted By decurion

The breakdown of the forces associated with a...

The breakdown of the forces associated with a propulsion system into “thrust” and “drag” is to some extent arbitrary. It can indeed be confusing sometimes and good booking is important in the end.
...
Forum: Tech Log
8th Oct 2011, 15:43
Replies: 5
Views: 2,822
Posted By decurion

The effect of taking shaft power from a...

The effect of taking shaft power from a windmilling engine is to decrease rotational speed and airflow. The airflow reaches a minimum at locked-rotor conditions. Internal drag will therefore change...
Showing results 1 to 25 of 97
 


 
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