Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

 
Search: Posts Made By: fgrieu
Showing results 1 to 25 of 42
Search took 0.01 seconds.
11th Oct 2019, 17:34
Replies: 3,254
Views: 2,839,349
Posted By fgrieu

JATR report

Here is the JATR report (https://www.faa.gov/news/media/attachments/Final_JATR_Submittal_to_FAA_Oct_2019.pdf) of Oct 11, 2019 as posted on the FAA website...
6th Sep 2019, 16:14
Replies: 3,254
Views: 2,839,349
Posted By fgrieu

From a presentation...

From a presentation (http://europarl.europa.eu/cmsdata/186500/20190903_EASA_Ky-original.pdf#page=14) of 2019-09-03 by EASA's Executive Director Patrick KY, as posted on the European Parliament's...
19th Aug 2019, 14:03
Replies: 3,254
Views: 2,839,349
Posted By fgrieu

How can "the potential difficulty of pilots in rotating the MAX trim wheel" be fixed?

Reportedly (https://www.wingsoverquebec.com/?p=8663), number 1 of 5 concerns raised by EASA about the 737 MAX is:
"The potential difficulty of pilots in rotating the MAX trim wheel".
What are the...
2nd Jul 2019, 11:22
Replies: 58
Views: 47,692
Posted By fgrieu

A380 engine piece found in Groenland after 21 months

A 150 kg piece of the A380 engine 4 that experienced an uncontained engine failure over Groenland on 2017-09-30 was recovered under 4m of ice.
flightglobal's article...
19th May 2019, 19:11
Replies: 103
Views: 67,546
Posted By fgrieu

What substantiates too easy ? The only source I...

What substantiates too easy ? The only source I know is Boeing's statement (https://www.afp.com/en/news/15/boeing-acknowledges-flaw-737-max-simulator-software-doc-1gm9761) "changes will improve the...
19th May 2019, 10:29
Replies: 191
Views: 112,260
Posted By fgrieu

737 Max simulator revised for better simulation of manual trim

On 2019-09-15, AFP quotes Boeing (https://www.afp.com/en/news/15/boeing-acknowledges-flaw-737-max-simulator-software-doc-1gm9761) as stating:




Do we have an authoritative source on if the...
17th May 2019, 15:53
Replies: 66
Views: 44,434
Posted By fgrieu

Looks like the stepper motor for the analog hands...

Looks like the stepper motor for the analog hands looses steps. The strong magnetic field theory would make some sense if there was such a source, but I can think of none. If the watch it still...
16th May 2019, 10:10
Replies: 5
Views: 7,093
Posted By fgrieu

No, if we trust the quote in the first post...

No, if we trust the quote in the first post (https://www.pprune.org/rumours-news/621580-note-april-5th-additional-software-problem-found-boeing-737-max-control-system.html#post10472226), also found...
15th May 2019, 05:08
Replies: 82
Views: 84,516
Posted By fgrieu

From that NYT article (emphasis mine): Part...

From that NYT article (emphasis mine):

Part of him already knew that betting safety on that assumption was dubious!
9th Apr 2019, 06:14
Replies: 5,127
Views: 10,280,628
Posted By fgrieu

Is that sure ? Can the electric trim work despite...

Is that sure ? Can the electric trim work despite aerodynamic forces in all situations (overspeed, trim full nose down) ? Does it even work in more situations than manual trim ?
5th Apr 2019, 11:26
Replies: 5,127
Views: 10,280,628
Posted By fgrieu

Preliminary report, pristine quality

For reference
- preliminary report on EA302 (https://games-cdn.washingtonpost.com/notes/prod/default/documents/6375a995-4d9f-4543-bc1e-12666dfe2869/note/4cb6f748-a0c0-45c2-bf0b-f672ba3cfebe.pdf)...
3rd Apr 2019, 21:20
Replies: 5,127
Views: 10,280,628
Posted By fgrieu

The control column trim switches are not the...

The control column trim switches are not the "cutout" switches. I'm inclined to believe [Late edit: it turns out, wrongly] that central cutout switches have authority over MCAS, but control column...
3rd Apr 2019, 19:17
Replies: 5,127
Views: 10,280,628
Posted By fgrieu

MCAS authory vs column switch?

I that dead sure? Have an authoritative source?
3rd Apr 2019, 06:55
Replies: 908
Views: 944,464
Posted By fgrieu

So according to the WSJ...

So according to the WSJ (https://www.wsj.com/articles/ethiopian-airlines-pilots-initially-followed-boeings-required-emergency-steps-to-disable-737-max-system-11554263276) (paywalled, but regurgitated...
22nd Mar 2019, 08:10
Replies: 5,127
Views: 10,280,628
Posted By fgrieu

Do I get it correctly that "blowback" of the...

Do I get it correctly that "blowback" of the elevator would be a situation when the actuators for the elevator are not powerful enough to overcome the aerodynamic forces on the elevator, due to high...
18th Mar 2019, 18:11
Replies: 5,127
Views: 10,280,628
Posted By fgrieu

The Seattle Times runs an article...

The Seattle Times runs an article (https://www.seattletimes.com/business/boeing-aerospace/failed-certification-faa-missed-safety-issues-in-the-737-max-system-implicated-in-the-lion-air-crash/) with...
29th Dec 2017, 16:32
Replies: 2
Views: 2,933
Posted By fgrieu

Mount Sinabung ash clouds

Indonesia's Mount Sinabung has emitted large ash clouds on/since Dec 28, 2017; source: Indonesian volcano erupts causing ash clouds in Bali | Daily Mail Online...
1st Oct 2017, 20:11
Replies: 554
Views: 527,984
Posted By fgrieu

In that nice VASAviation audio/video...

In that nice VASAviation audio/video (https://www.youtube.com/watch?v=PrbxtVPY0rE) about the incident, we hear the (obviously french) pilot calling as "AF066 super mayday" and the ATC using "AF066...
10th Jun 2015, 04:54
Replies: 337
Views: 199,195
Posted By fgrieu

Missing calibration parameters on 3 engines, detected after getting airborne

Exclusive: A400M probe focuses on impact of accidental data wipe | Reuters (http://www.reuters.com/article/2015/06/09/us-airbus-a400m-idUSKBN0OP2AS20150609)



I can't understand why a very...
3rd Jun 2015, 04:53
Replies: 337
Views: 199,195
Posted By fgrieu

elconfidencial article

Accidente de avión en Sevilla: El accidente del A400M, un fallo en cadena desde Alemania a Sevilla. Noticias de Andalucía...
15th May 2015, 09:39
Replies: 337
Views: 199,195
Posted By fgrieu

Aviationweek has an article

A400M Crash Adds To Airlifter Program?s Woes | Defense content from Aviation Week (http://aviationweek.com/defense/a400m-crash-adds-airlifter-program-s-woes)

It states both pilots are among the...
13th May 2015, 13:04
Replies: 337
Views: 199,195
Posted By fgrieu

Report of difficulty extracting data from flight recorders

source:
Investigators Encounter Difficulty Extracting Data From A400M Flight Recorders | Defense content from Aviation Week...
10th May 2015, 20:33
Replies: 337
Views: 199,195
Posted By fgrieu

There's a report of multiple engine failures...

There's a report of multiple engine failures attributed to one of the survivor of the crash.

A400M: Überlebender berichtet von Triebwerkschaden - SPIEGEL ONLINE...
26th Mar 2015, 06:24
Replies: 3,529
Views: 4,931,541
Posted By fgrieu

All French media outlets including Crash de...

All French media outlets including Crash de l'A320 de Germanwings : un des pilotes bloqué hors du cockpit? | France info...
27th Jan 2015, 20:03
Replies: 3,924
Views: 3,788,426
Posted By fgrieu

Airspeed determination by gas turbine engine

Failures in airspeed measurements are increasingly implicated in aircraft upsets.

Am I right that it would be feasible to obtain a reliable (if not extremely accurate) airspeed measurement from a...
Showing results 1 to 25 of 42
 


 
Forum Jump

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

Copyright © 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.