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Search: Posts Made By: Grunf
Showing results 1 to 35 of 203
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Forum: Accidents and Close Calls
21st Feb 2024, 03:29
Replies: 221
Views: 59,758
Posted By Grunf

Video of the take off

Here is the video from inside the a/c while taking off:

Air Serbia flight take off
Forum: Rumours & News
24th Feb 2022, 00:35
Replies: 2
Views: 7,587
Posted By Grunf

Flydubai B38M at Belgrade on Feb 18th 2022, wrong takeoff performance

Another operator from UAE with a related blunder with shallow takeoff, error in procedure etc. Worrying performance from a second operator from UAE

Source: AvHerald and local sources (Serbia)

A...
Forum: Biz Jets, Ag Flying, GA etc.
22nd Mar 2015, 01:01
Replies: 10
Views: 5,136
Posted By Grunf

Exclamation Citation Citation doing 6 360 rolls above Leeds

Summary of the Cessna 525A Citation CJ2 flight (Source; AAIB (http://www.aaib.gov.uk/cms_resources.cfm?file=/Cessna%20525A%20Citation%20CJ2+%20N380CR%2001-15.pdf)):



Synopsis
As the aircraft...
Forum: Spectators Balcony (Spotters Corner)
24th Jun 2009, 22:58
Replies: 56
Views: 7,663
Posted By Grunf

lomapaseo Well, it seems to me that you...

lomapaseo


Well, it seems to me that you were hidden somewhere to see our little secret:O:O

In general, media hype about this mod is still the management failure - not the engineering failure....
Forum: Spectators Balcony (Spotters Corner)
24th Jun 2009, 17:54
Replies: 56
Views: 7,663
Posted By Grunf

@glad rag There was no such test...that...

@glad rag

There was no such test...that Lonely Scientist claims (allegedly) it was in 2007...

In addition: I assume he is heavily experienced in commercial (transport category) composites...
Forum: Spectators Balcony (Spotters Corner)
24th Jun 2009, 15:37
Replies: 56
Views: 7,663
Posted By Grunf

Angry hello. Statement from "Lonely scientist"...

hello.

Statement from "Lonely scientist" that:

The centre wing box - the foundation of the aircraft - failed at an earlier bending test, actually before the plane was rolled out the first time...
Forum: Tech Log
16th Jun 2009, 18:00
Replies: 8
Views: 2,527
Posted By Grunf

Funfly, Please take a look into this FAA AC...

Funfly,

Please take a look into this FAA AC (http://tinyurl.com/5vjvoz), in addition to MFS's excellent explanation.

Cheers
Forum: Tech Log
8th Jun 2009, 20:02
Replies: 4,593
Views: 3,293,623
Posted By Grunf

Will, Maybe too much going into the v/stab...

Will,

Maybe too much going into the v/stab failure, at this time...other issues should precede the structural failure, like on other commercial (transport category) airplanes.

Further, any...
Forum: Tech Log
8th Jun 2009, 19:53
Replies: 153
Views: 56,412
Posted By Grunf

Structural failure - hardly

IMHO,

Structural failure as a cause of this accident is highly unlikely. Especially unfounded speculation(s) regarding the v/stab and rudder on Airbus articles.

A lot more then a mere picture...
Forum: Tech Log
6th Jun 2009, 17:49
Replies: 4,593
Views: 3,293,623
Posted By Grunf

AF not replacing Pitot tubes

If this is true it is weird - AD is COMPULSORY within the time compliance requirement (which was 2003).

So not complying with an AD is a really weird thing, if true.

Cheers
Forum: Tech Log
6th Jun 2009, 00:05
Replies: 4,593
Views: 3,293,623
Posted By Grunf

Pitot tubes - ADs, SBs

PJ2: Nobody knows anything that detailed yet so on what basis would such an AD be issued?

Digging might get you amazing results if you have time and patience. Background section of the related...
Forum: Tech Log
4th Jun 2009, 21:26
Replies: 4,593
Views: 3,293,623
Posted By Grunf

I assume the probability of all these "theories"...

I assume the probability of all these "theories" is the same as the case of 3 (three) ADIRUs failing, close to 10exp-9 (for those of you better versed in the terminology). For others - 10exp-9 is...
Forum: Rumours & News
22nd Aug 2008, 17:18
Replies: 1,109
Views: 379,975
Posted By Grunf

Flynerd, What's bad about "major refit"? I...

Flynerd,

What's bad about "major refit"? I can assure you where I work we cover for the next 16K cycles (747-400 "refit" = conversion)

Regards
Forum: Tech Log
23rd Mar 2008, 01:57
Replies: 24
Views: 9,991
Posted By Grunf

Redesign comes in due to the excessive weight...

Redesign comes in due to the excessive weight reduction exercise conducted on the wing box.

One can ask, in light of the test results for the fuselage (withstand 200% of the limit load -...
Forum: Tech Log
21st Feb 2008, 23:26
Replies: 26
Views: 4,830
Posted By Grunf

Saddly , some people never learn...

Woman, Child Lost In Maine C-525 Downing


Pilot Reported Instrument Problems After Takeoff

A successful businesswoman and her son were the victims of the Friday night downing of a Cessna 525...
Forum: Safety, CRM, QA & Emergency Response Planning
8th Dec 2007, 04:32
Replies: 507
Views: 151,914
Posted By Grunf

With all do respect, RatherbeFlying, it...

With all do respect, RatherbeFlying,

it seems you are not on the professional side (neither in the air nor on the ground). So far regulations are strict and there is no room for estimating if it s...
Forum: Safety, CRM, QA & Emergency Response Planning
6th Dec 2007, 21:14
Replies: 507
Views: 151,914
Posted By Grunf

Air Nostrum pilots, in informal conversations,...

Air Nostrum pilots, in informal conversations, confirmed to Bombardier personnel (over few beers) that they do not feel a need for de-icing at the Peninsula and in the vicinity.

Topic was raised...
Forum: Safety, CRM, QA & Emergency Response Planning
6th Dec 2007, 16:49
Replies: 507
Views: 151,914
Posted By Grunf

It would be nice if someone who flies for IB (or...

It would be nice if someone who flies for IB (or who did) can give us a clue on their SOP regarding de-icing.

By the way, I didn't know you can do a check of the wings in two minutes (besides...
Forum: Safety, CRM, QA & Emergency Response Planning
5th Dec 2007, 18:10
Replies: 507
Views: 151,914
Posted By Grunf

For those of you unsure on how hard it is to do a...

For those of you unsure on how hard it is to do a visual and tactile inspection of wing icing here is a DOT/FAA/TC report on the topic (http://www.tc.faa.gov/its/worldpac/techrpt/tc06-21.pdf).
...
Forum: Rumours & News
30th Nov 2007, 21:31
Replies: 2
Views: 2,310
Posted By Grunf

China Airlines 737-800 (almost) overshooting

Hello all.

If I am not mistaken I did not see this here (please remove if already seen).

basically, China Airlines did it again. After all the blunders coming from that airline in so many forms...
Forum: Rumours & News
23rd Oct 2007, 18:24
Replies: 2
Views: 993
Posted By Grunf

NTSB Advocates Advanced Cockpit Devices for Runway Safety

Hello all.
NTSB has a new advice for the FAA (and the rest of regulatory crowd). We will see very soon when and if it is going to be listened.

Down at the bottom of the article is the main stuff...
Forum: Rumours & News
13th Oct 2007, 19:40
Replies: 49
Views: 9,308
Posted By Grunf

As for reporting what AEI claims, it is easy to...

As for reporting what AEI claims, it is easy to check. If not through regular company channels, reporting can be always done through CHIRP or anonymous post in FAAs SDR database.

One way or the...
Forum: Rumours & News
13th Oct 2007, 15:53
Replies: 49
Views: 9,308
Posted By Grunf

Hmm, yeah, the devil is in the detail, right? We...

Hmm, yeah, the devil is in the detail, right? We should see the opinions from all the sides - AEI said what they think, regulators - we know what they think so it would be nice if someone can quote...
Forum: Rumours & News
12th Oct 2007, 22:19
Replies: 49
Views: 9,308
Posted By Grunf

AEI says "Pilots Not Reporting Aircraft Defects ...

...but When it is Convenient" :hmm::hmm:

Hello all.

This (provocative) title comes from AEIs report from PRNewswire site. Here is the original statement...
Forum: Rumours & News
3rd Aug 2007, 23:57
Replies: 2,761
Views: 738,164
Posted By Grunf

You are correct. We've mentioned that around...

You are correct. We've mentioned that around pages 48,49 (many of us) that by CFR 14 Part 25, part 121 NO TR IS ACCOUNTED FOR CERTIFIED LANDING.

NoD,

NO, for wet there is no account of TRs in...
Forum: Rumours & News
3rd Aug 2007, 16:19
Replies: 2,761
Views: 738,164
Posted By Grunf

Answer to Flyingnewbie10's post #1015

If communication from OEM is coming as a result of an AD (Airworthiness Directive) then it is mandatory. If it is a SB (Service Bulletin) then it is not mandatory.

Recommendations are always...
Forum: Rumours & News
2nd Aug 2007, 20:45
Replies: 2,761
Views: 738,164
Posted By Grunf

latest from Flight Intl...

...with more inside news...expect telexes, ADs...

TAM A320 crew did not retard right-hand thrust lever

By David Kaminski-Morrow ...
Forum: Rumours & News
2nd Aug 2007, 17:30
Replies: 2,761
Views: 738,164
Posted By Grunf

To my fellow Quebecker (and the others): I...

To my fellow Quebecker (and the others):

I was assuming the same from Boeing's Safety Investigation presentation (http://uk.geocities.com/[email protected]/Boeing_Slippery_Runways.pdf)...
Forum: Rumours & News
2nd Aug 2007, 16:49
Replies: 2,761
Views: 738,164
Posted By Grunf

Re Bomarc's note in post #916...

...and the discussion on what is more important: ground spoilers (speedbrakes) or thrust reversers:





Certification requirement is that the airplane is capable of landing with NO THRUST...
Forum: Engineers & Technicians
31st Jul 2007, 20:38
Replies: 25
Views: 7,531
Posted By Grunf

Amicus, It seems you are more into your...

Amicus,

It seems you are more into your agenda then the cert requirements for test (FST or any other).

It would be inadvisable to think that Boeing's M&P as well as FAA (and EASA) were not...
Forum: Rumours & News
30th Jul 2007, 22:26
Replies: 2,761
Views: 738,164
Posted By Grunf

Bubbers, I meant automation "per se" and the...

Bubbers,

I meant automation "per se" and the use of it, not an exclusive use. PF is ALWAYS in the loop.
Forum: Rumours & News
30th Jul 2007, 21:34
Replies: 2,761
Views: 738,164
Posted By Grunf

I fully agree. Of course that still does imply...

I fully agree. Of course that still does imply the improvement of safety with automation. One might add appropriate amount of automation. B vs AB (why not including OEM from Russia, Ukraine etc?), it...
Forum: Rumours & News
30th Jul 2007, 20:47
Replies: 2,761
Views: 738,164
Posted By Grunf

Bomarc, with all do respect and regarding your...

Bomarc, with all do respect and regarding your post #732,



Pilot is always in the loop, be that B or AB or whatever OEM we talk of, for decades in the past.

Were you ever exposed to any...
Forum: Rumours & News
30th Jul 2007, 18:34
Replies: 2,761
Views: 738,164
Posted By Grunf

Pira just a comment on your post #703: ...

Pira just a comment on your post #703:


Reliability is a measured value of statistical nature. Defining one or the other product "more reliable" asks for excluding your subjectivity and using the...
Forum: Tech Log
23rd Jun 2007, 20:09
Replies: 45
Views: 7,688
Posted By Grunf

N1, 'someone" said it was tooling. Fact is it...

N1,
'someone" said it was tooling. Fact is it was not.

Problem was resolved long time ago the usual way (gap within predicted limits). Don't you people think this was expected? If you have a...
Showing results 1 to 35 of 203
 
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