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Search: Posts Made By: krujje
Showing results 1 to 35 of 67
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Forum: Rumours & News
18th Jun 2019, 01:15
Replies: 17
Views: 9,875
Posted By krujje

The CRJ (model CL-600-2B19) is on Transport...

The CRJ (model CL-600-2B19) is on Transport Canada Type Certificate No. A-131...
Forum: Rumours & News
16th Apr 2019, 17:40
Replies: 79
Views: 75,596
Posted By krujje

Press conference

Video of press conference here:
https://www.welt.de/politik/deutschland/video192035021/Nach-Notlandung-Luftwaffe-aeussert-sich-zum-Beinah-Unglueck.html

Are there any German speakers who can...
Forum: Biz Jets, Ag Flying, GA etc.
14th Dec 2017, 16:08
Replies: 0
Views: 1,388
Posted By krujje

AAIB report citing fatigue as a factor

A good read in the U.K. AAIB December bulletin.

During approach to ILS 07L at VHHH, the aircraft descended down to 390 feet amsl at a point on the procedure where its cleared altitude was 1,700...
Forum: Biz Jets, Ag Flying, GA etc.
19th Aug 2017, 15:54
Replies: 0
Views: 5,154
Posted By krujje

Learjet down off coast of Venezuela

5 souls on board.
Aeronave con destino a Barcelona impactó en Vargas dejando 5 personas desaparecidas | YVKE Mundial...
Forum: Rumours & News
1st Oct 2010, 01:32
Replies: 33
Views: 14,713
Posted By krujje

Messier-Dowty

Messier-Dowty
Forum: Rumours & News
21st Oct 2009, 15:23
Replies: 131
Views: 89,881
Posted By krujje

nnc0; Are those stats published...

nnc0;



Are those stats published somewhere? Can you provide the source?
Thanks
Forum: Tech Log
21st Oct 2009, 14:21
Replies: 6
Views: 4,685
Posted By krujje

Genghis; Actually Vf is defined in...

Genghis;



Actually Vf is defined in 25.335(e) as the design flap speed. Vfe, the flap extended speed, is always less than or equal to Vf, as noted in 25.1511.
Forum: Tech Log
22nd Sep 2009, 18:27
Replies: 31
Views: 6,337
Posted By krujje

A couple of points: * Although civil...

A couple of points:

* Although civil aircraft can land at weights above MTOW, they are neither designed nor certified for that.

* Landing gear impact is a very complex event in which...
Forum: Engineers & Technicians
20th Sep 2009, 17:33
Replies: 15
Views: 14,307
Posted By krujje

While I am not an expert in this area, my...

While I am not an expert in this area, my understanding from others who are experts is that CMRs are established based on the aircraft reliability and safety analysis conducted as part of type...
Forum: Tech Log
31st Aug 2009, 17:13
Replies: 25
Views: 5,393
Posted By krujje

AirRabbit and PJ2; Thanks for sharing your...

AirRabbit and PJ2;

Thanks for sharing your thoughts. There are many interesting points you've raised which bear thinking on.

At the risk of throwing this thread even further into digression,...
Forum: Tech Log
31st Aug 2009, 12:16
Replies: 25
Views: 5,393
Posted By krujje

PJ2; Yes that's a good point. And...

PJ2;



Yes that's a good point. And it shows that there are really several aspects to the question. One aspect is the collection of information per se. Another aspect is how that...
Forum: Tech Log
31st Aug 2009, 02:26
Replies: 25
Views: 5,393
Posted By krujje

Ocampo; Agreed - pilots have Big Brother as bad...

Ocampo;
Agreed - pilots have Big Brother as bad as anyone - but my question stands... why should there be an expectation of a right to privacy in the workplace, as Rainboe stated previously? I'm...
Forum: Tech Log
30th Aug 2009, 17:39
Replies: 25
Views: 5,393
Posted By krujje

I work in a cubicle farm where everything I do is...

I work in a cubicle farm where everything I do is clearly visible to everybody I work with and to several layers of management if they should care to take a look; my company e-mail is subject to...
Forum: Rumours & News
25th Aug 2009, 15:57
Replies: 131
Views: 89,881
Posted By krujje

Just a small clarification on this: The...

Just a small clarification on this:

The above quote is referring to § 25.561 of the FARs. That requirement is about aircraft crashworthiness. Aircraft structure is not designed to withstand those...
Forum: Tech Log
1st Jul 2009, 23:18
Replies: 13
Views: 4,130
Posted By krujje

Both together in some cases... you can have...

Both together in some cases... you can have hydraulic motors driving a transmission that turns rotary actuators which which move flaps and slats, for example.
Forum: Tech Log
6th Mar 2009, 16:54
Replies: 1,524
Views: 742,083
Posted By krujje

We need to upgrade the human... the current...

We need to upgrade the human... the current version just doesn't cut it. Problem is, the aircraft functions just fine most of the time. But human beings learn skills by constant practice. When you...
Forum: Rumours & News
5th Mar 2009, 16:26
Replies: 2,015
Views: 714,664
Posted By krujje

American Airlines 903, May 12 1997, NTSB Brief...

American Airlines 903, May 12 1997, NTSB Brief DCA97MA049 is interesting as well.
If I remember correctly, autopilot captured 16000 feet at the approach fix for Miami International, autothrottle...
Forum: Rumours & News
27th Feb 2009, 16:45
Replies: 2,015
Views: 714,664
Posted By krujje

You mean the Pinnacle crash, don't you? ...

You mean the Pinnacle crash, don't you?

According to her website, Mary Schiavo - Aviation Expert Available to Media - Discuss Continental Flight 3407 Crash (http://bombardiercrash.com), Schiavo...
Forum: Rumours & News
21st Feb 2009, 00:36
Replies: 14
Views: 3,738
Posted By krujje

I'm reminded of a particular NTSB recommendation...

I'm reminded of a particular NTSB recommendation on the Pinnacle RJ crash a couple of years ago:

For airplanes equipped with CF34-1 or CF34-3 engines, require manufacturers to perform high power,...
Forum: Tech Log
17th Dec 2008, 01:08
Replies: 20
Views: 14,791
Posted By krujje

Fullblast, your answer to the question sounded to...

Fullblast, your answer to the question sounded to me like you were implying that FAR 25 provided a definition of hard/heavy landing, thus my response. Sorry if you took offense.



No,...
Forum: Tech Log
16th Dec 2008, 18:04
Replies: 20
Views: 14,791
Posted By krujje

FAR 25 doesn't define what a hard/heavy landing...

FAR 25 doesn't define what a hard/heavy landing is. It only provides minimum design requirements: 10 fps up to MLW, 6 fps from MLW to MTOW.

The hard/heavy landing criteria should be defined by...
Forum: Tech Log
4th Dec 2008, 01:02
Replies: 1,524
Views: 742,083
Posted By krujje

If the expertise of the engine manufacturer is...

If the expertise of the engine manufacturer is needed by the BEA, and the engine manufacturer is in the US, then the US is entitled to acc rep status, thus the involvement of the NTSB. The legal...
Forum: Tech Log
20th Nov 2008, 00:45
Replies: 67
Views: 9,502
Posted By krujje

but are we measuring the velocity of the ball...

but are we measuring the velocity of the ball relative to the players, the court, the air, the earth, or the sun...?
ah! forget it... :)
Forum: Engineers & Technicians
13th Nov 2008, 15:42
Replies: 127
Views: 51,923
Posted By krujje

I've seen a tire burst that took off the landing...

I've seen a tire burst that took off the landing gear doors.
Forum: Rumours & News
13th Nov 2008, 14:10
Replies: 1
Views: 1,413
Posted By krujje

TC failing to provide proper oversight in implementation of SMS?

Fatal air crash report points finger at Transport Canada

Proper oversight by regulator found lacking

Transport Canada broke its own rules when it cancelled an audit program just months before...
Forum: Tech Log
5th Nov 2008, 00:48
Replies: 17
Views: 6,929
Posted By krujje

Please don't be overly sentimental...

Please don't be overly sentimental...
Forum: Tech Log
4th Nov 2008, 17:39
Replies: 17
Views: 6,929
Posted By krujje

Okay... I'll have a go, I guess... The...

Okay... I'll have a go, I guess...

The magic formula for Mach is:

M = { (2/(g -1)) [ ( 1 + q c/p )(g -1 )/g- 1 ] } 0.5

Therefore, Mach is only a function of measured pressures (static...
Forum: Tech Log
3rd Nov 2008, 13:07
Replies: 8
Views: 1,362
Posted By krujje

The effect of gust on an airframe isn't just a...

The effect of gust on an airframe isn't just a straightforward question of weight and aerodynamics. The mass distribution in the airframe is also important. The airframe structural response to a...
Forum: Tech Log
21st Oct 2008, 20:13
Replies: 13
Views: 3,153
Posted By krujje

Taxi on rough runways is a certification...

Taxi on rough runways is a certification requirement for transport category aircraft. The criteria is "the roughest ground that may reasonably be expected in normal operation". You can check FAA...
Forum: Tech Log
21st Oct 2008, 00:52
Replies: 82
Views: 10,979
Posted By krujje

This discussion would be so much easier with a...

This discussion would be so much easier with a blackboard and chalk...
Forum: Tech Log
19th Oct 2008, 15:47
Replies: 82
Views: 10,979
Posted By krujje

Von Klinkerhoffen; Yes. My bad....

Von Klinkerhoffen;



Yes. My bad. There will be no wing stall. Stall comes as a result of too-high AoA, not insufficient velocity. In straight-and-level flight, the two are linked, as minimum...
Forum: Tech Log
18th Oct 2008, 18:20
Replies: 82
Views: 10,979
Posted By krujje

Bit of a digression here. Just thinking about...

Bit of a digression here. Just thinking about this theoretical straight vertical climb...

Post #7

In a straight vertical climb, wing lift will definitely not got to zero. If the aircraft is...
Forum: Rumours & News
12th Sep 2008, 22:36
Replies: 61
Views: 30,295
Posted By krujje

Thought there was a requirement to replace...

Thought there was a requirement to replace elevator cables on Twin Otters every year, due to previous accidents involving cable wear???
Forum: Tech Log
6th Sep 2008, 02:20
Replies: 21
Views: 4,013
Posted By krujje

26 May 1991, 223 souls on board. No.1 engine TR...

26 May 1991, 223 souls on board. No.1 engine TR deployed about 15 minutes out from Bangkok. Engine thrust reduced to idle, however the reverser plume caused loss of lift over the wing leading to...
Forum: Tech Log
5th Sep 2008, 00:49
Replies: 21
Views: 4,013
Posted By krujje

I would say that point is debatable. Please...

I would say that point is debatable. Please correct me if I'm wrong, but there is no requirement to prove that uncommanded TR deployment at take-off is controllable, therefore airframers don't......
Showing results 1 to 35 of 67
 
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