PPRuNe Forums - Search Results
PPRuNe Forums

Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Wikiposts
Today's Posts
Search
Vendor Directory
Search: Posts Made By: Dave Therhino
Showing results 1 to 22 of 22
Search took 0.00 seconds.
Forum: Rumours & News
9th Dec 2019, 03:40
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

The "changed product rule," or 14 CFR 21.101,...

The "changed product rule," or 14 CFR 21.101, does require changed areas and areas affected by the change to step up to the latest rules as of the date of application for the change as a supposed...
Forum: Rumours & News
2nd Dec 2019, 04:31
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

I double checked the requirements and I had used...

I double checked the requirements and I had used "experimental certificate" for one case where I should have used "special flight permit." Both are forms of special airworthiness certificate. I'll...
Forum: Rumours & News
2nd Dec 2019, 02:44
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

TD - I think he's confusing type certification...

TD - I think he's confusing type certification with issuance of a new airworthiness.

Some of your details weren't correct:

Every aircraft delivered out of the Boeing production system receives...
Forum: Rumours & News
1st Dec 2019, 01:16
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

At MCT at low altitude in a 737 you have maybe...

At MCT at low altitude in a 737 you have maybe 7-10 seconds of fuel in the lines before the engines flame out if you were to attempt sustained inverted flight.
Forum: Rumours & News
30th Nov 2019, 02:38
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

What we are talking about here is manufacturing...

What we are talking about here is manufacturing inspectors issuing the initial standard airworthiness certificate for all the new aircraft that were produced since the order that grounded the...
Forum: Rumours & News
28th Nov 2019, 00:05
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

The concern is about entering service after a...

The concern is about entering service after a long storage period and the sheer number of airplanes they will want to ticket in a short period.
Forum: Rumours & News
20th Nov 2019, 12:51
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

I assume you mean each new aircraft type or new...

I assume you mean each new aircraft type or new aerodynamic or control configuration, not every production airplane.
Forum: Rumours & News
9th Nov 2019, 04:45
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

I don't know why the other new thread about...

I don't know why the other new thread about Congress raising concerns about the Max and 787 was closed, but here is the letter from the House Transportation and Infrastructure Committee to the FAA....
Forum: Rumours & News
7th Nov 2019, 00:32
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

Following this Boeing 720 (a 707 variant)...

Following this Boeing 720 (a 707 variant) accident in 1963 the investigators determined that the stabilizer trim stalled for exactly that reason. In that case it was the crew who ran the trim well...
Forum: Rumours & News
2nd Nov 2019, 15:46
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

Yup. Fugoid versus divergence.

Yup. Fugoid versus divergence.
Forum: Rumours & News
31st Oct 2019, 02:21
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

My understanding is that the column cutout...

My understanding is that the column cutout switches function the same as on the NG except when MCAS is activated. In that case a new relay is activated that bypasses the column cutout switch that...
Forum: Rumours & News
28th Oct 2019, 14:13
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

I will be using some variation of that in the...

I will be using some variation of that in the office at some point in the coming weeks. Nice!
Forum: Rumours & News
22nd Sep 2019, 03:19
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

BOAC voluntarily grounded their fleet after the...

BOAC voluntarily grounded their fleet after the first inflight breakup accident in January 1954. Operation resumed in March. The second accident happened on April 8, 1954, and the type was grounded...
Forum: Rumours & News
11th Sep 2019, 01:13
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

If the pilot moves the trim switches on the...

If the pilot moves the trim switches on the column, that interrupts/overrides the MCAS commands and the pilots commands are followed by the trim system. MCAS resets and will fire again if more than...
Forum: Rumours & News
11th Sep 2019, 00:21
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

The AD procedure was a revision to the runaway...

The AD procedure was a revision to the runaway trim procedure. The first paragraph just repeats the original trim runaway procedure. The rest of the AD procedure addresses the erroneous AOA scenario....
Forum: Rumours & News
7th Sep 2019, 02:50
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

The DER system worked very well for over 50...

The DER system worked very well for over 50 years. Don't associate that system with the recent direct results of ODA.
Forum: Rumours & News
7th Sep 2019, 01:49
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

Further reporting on KOMO now that the final test...

Further reporting on KOMO now that the final test where they bend the wing to failure failed.

https://komonews.com/news/local/door-blows-off-boeing-777x-during-stress-test
Forum: Rumours & News
22nd Aug 2019, 06:22
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

Short term storage advice is to store them with...

Short term storage advice is to store them with full (or close to full between engine runs) tanks with biocide additive and sump drains checked for water periodically. The more fuel in the tank the...
Forum: Rumours & News
17th Aug 2019, 23:51
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

There are already significant limits on...

There are already significant limits on post-employment work by government employees in 18 USC 207, and these limits are enforced. It's a misdemeanor to violate those restrictions, and a felony to...
Forum: Rumours & News
1st Aug 2019, 00:24
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

The TARAM Policy Memo and TARAM handbook are...

The TARAM Policy Memo and TARAM handbook are publicly available at this web page if anyone wants to see the policy referred to in the article.

PS-ANM-25-05 Risk Assessment Methodology for...
Forum: Rumours & News
30th Jul 2019, 07:03
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

The FAA manager named in the article would have...

The FAA manager named in the article would have directed closure of the FAA issue paper that raised the concern about rudder cable protection. He would not have approved the rotor burst analysis.
Forum: Rumours & News
21st Jul 2019, 08:15
Replies: 4,656
Views: 4,789,309
Posted By Dave Therhino

Well .... he's pretty much describing the...

Well .... he's pretty much describing the classic's 737 dual motor, separate power supply trim system, isn't he?
Showing results 1 to 22 of 22


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.