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Search: Posts Made By: Copterline 103
Showing results 1 to 35 of 82
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Forum: Rotorheads
8th Mar 2018, 12:38
Replies: 174
Views: 115,144
Posted By Copterline 103

Transportation category helicopter?

This picture tells more than a thousand words. Everyone is able to imagine what power is needed to break this collective head and what circumstances can it happen?

I hope that gulliBell and 212man...
Forum: Rotorheads
5th Mar 2018, 18:17
Replies: 174
Views: 115,144
Posted By Copterline 103

As many have already commented earlier, the...

As many have already commented earlier, the weight of the pushrod would have commanded FWD servo DOWN, not UP if decoupling would have been pre-onset. The only way of producing described...
Forum: Rotorheads
5th Mar 2018, 07:28
Replies: 174
Views: 115,144
Posted By Copterline 103

The root cause and the consequence must be kept separete from each other

Since the final accident report of Bristow 12th August 2015 crash is heavily overdue, one can both wonder the reason for such a delay and also make some assumptions based on the data released in the...
Forum: Rotorheads
1st Mar 2018, 23:22
Replies: 174
Views: 115,144
Posted By Copterline 103

Could you explain how you can assure me and the...

Could you explain how you can assure me and the others? Why the accident reports are still pending? Do you know what were the root causes of Bristow's accidents 12th August, 2015 and 4th February,...
Forum: Rotorheads
1st Mar 2018, 22:46
Replies: 174
Views: 115,144
Posted By Copterline 103

This is the right question; is the Servo Actuator...

This is the right question; is the Servo Actuator design airworthy?

I hope that the attached attachments will also be useful for finding the possible root causes of the Bristow's Nigerian...
Forum: Rotorheads
1st Mar 2018, 09:26
Replies: 174
Views: 115,144
Posted By Copterline 103

Let's go back to the right tree! The case is the...

Let's go back to the right tree! The case is the possible lack of airworthiness of the S-76 helicopter type. The case is that there might be still hundreds of Servo Actuator Piston's which has been...
Forum: Rotorheads
1st Mar 2018, 06:37
Replies: 174
Views: 115,144
Posted By Copterline 103

gulliBell

It's a shame to spoil your day, but FDR data reveals that Stick Jump test was completed during the start up in the morning on August 10, 2005. There was no other engine start-ups before accident.
...
Forum: Rotorheads
28th Feb 2018, 20:11
Replies: 174
Views: 115,144
Posted By Copterline 103

Improper overhaul procedures etc.

I have open my files. One correction must be done:

The FAA approved overhaul instruction requires that the Plasma coating material should be Metco 445 (85 % copper and 15 % aluminiun).

The...
Forum: Rotorheads
28th Feb 2018, 14:44
Replies: 174
Views: 115,144
Posted By Copterline 103

Dear gulliBell, I have learn that you...

Dear gulliBell,


I have learn that you don't care about the photos. You remember well as you refused to see "erecting plasma flake in the C3 return port". You told me that you can't see anything...
Forum: Rotorheads
28th Feb 2018, 11:45
Replies: 174
Views: 115,144
Posted By Copterline 103

BACK TO THE ROOT CAUSE...

Dear gulliBell,

Let's go back to the right tree. How can you explain the attached images of the Servo Actuator's pistons? How long do you believe the Plasma Flakes has been in C3 port? How do you...
Forum: Rotorheads
26th Feb 2018, 14:05
Replies: 174
Views: 115,144
Posted By Copterline 103

Dear gulliBell, First of the all I would...

Dear gulliBell,

First of the all I would like remind you that we had met September 13th, 2006 at Sikorsky S-76 Operators Conference. I know your identity and to whom you are working for. I’m the...
Forum: Rotorheads
15th Feb 2018, 22:39
Replies: 174
Views: 115,144
Posted By Copterline 103

COPTERLINE 103

gulliBell:


Your theory is naive. Helicopter servos doesn’t move much while the helicopter is in the ground or the helicopter is taxing. When the autopilot is engaged the Electric Line Actuators...
Forum: Rotorheads
13th Feb 2018, 20:18
Replies: 174
Views: 115,144
Posted By Copterline 103

S76 C+ s/n 466 Harrods Aviation LTD Servo Pistons

These pictures of s/n 466 are almost identical with s/n 508 (Copterline 103). The defect of s/n 466 Servo Actuator pistons may be an airsafety issue?
Forum: Rotorheads
12th Feb 2018, 19:01
Replies: 174
Views: 115,144
Posted By Copterline 103

Copterline 103 ntsb materials laboratory specialist report

The truth but nothing but the truth.
Forum: Rotorheads
12th Feb 2018, 18:52
Replies: 174
Views: 115,144
Posted By Copterline 103

Copterline 103 FDR data after fwd servo failure

This is the Sikorsky 76C+ OH-HCR (Copterline 103) FDR data after fwd servo uncommand extension due to the blockage of Servo Actuator C3 return ports.
Forum: Rotorheads
21st Jun 2017, 21:35
Replies: 174
Views: 115,144
Posted By Copterline 103

Sikorsky S76C+ PK-FUP Indonesia 21.3.2015

2418
"There was no indications of a malfunction in the aircraft systems before the aircraft loss of control occurred".


This is a Sikorsky S76C+ accident in Indonesia 21.3.2015. Most likely we...
Forum: Rotorheads
1st Jan 2017, 09:40
Replies: 174
Views: 115,144
Posted By Copterline 103

Final Accident Report

The 60 days stakeholders comment period is past already (12.10.2016). This delay is supporting my theory and knowledge of the most probable cause of this accident. The reality is that the stakeholder...
Forum: Rotorheads
19th Jul 2016, 14:24
Replies: 174
Views: 115,144
Posted By Copterline 103

Final Accident Report

Three weeks to go and then we are able to see what was the case. The Final Accident Report should be published within 12 months? The report will explain e.g.!why S76C+ came suddenly unflyable and...
Forum: Rotorheads
4th Apr 2016, 21:17
Replies: 590
Views: 205,085
Posted By Copterline 103

The type certification design requirement is very...

The type certification design requirement is very straightforward. The manufacturer and all the authorities have had a very good knowledge of this issue for a long time. The issue is the money versus...
Forum: Rotorheads
4th Apr 2016, 07:53
Replies: 590
Views: 205,085
Posted By Copterline 103

cpt: The Australian case was an operator reported...

cpt: The Australian case was an operator reported restriccted flight control motion on the ground. Troubleshooting determined the cause to restrected movement in the retract mode of one main rotor...
Forum: Rotorheads
3rd Apr 2016, 20:37
Replies: 590
Views: 205,085
Posted By Copterline 103

Megan, Is this the case you mentioned? You are...

Megan, Is this the case you mentioned? You are right, there is a single point failure which could lead to the loss of controllability of helicopter. This Australia case was a lucky one due to stuck...
Forum: Rotorheads
28th Mar 2016, 22:36
Replies: 590
Views: 205,085
Posted By Copterline 103

keke, this all looks good and it just like it...

keke, this all looks good and it just like it should be (the flight crew training).

I'm disapointed that I couldn't give my knowledge early enough to Jay and his copilot. It would be a different...
Forum: Rotorheads
28th Mar 2016, 20:51
Replies: 590
Views: 205,085
Posted By Copterline 103

keke, I'm the lucky one since the last flight...

keke, I'm the lucky one since the last flight with S76C+ ten years ago. Since till now an TRI/TRE/IRI/IRE SP/MP for AW139.

Still memorizing that S76C+ start up sequence will be started by pressing...
Forum: Rotorheads
28th Mar 2016, 19:23
Replies: 590
Views: 205,085
Posted By Copterline 103

keke, there are already too many people who have ...

keke, there are already too many people who have lost their lives and too many families without their father or without their brother or sister. I wish that everybody would appreciate the flight...
Forum: Rotorheads
28th Mar 2016, 15:23
Replies: 590
Views: 205,085
Posted By Copterline 103

I may be slow but if I read your symbols...

I may be slow but if I read your symbols correctly?

do you mean: Do not beat it anymore, it is already dead?
Forum: Rotorheads
28th Mar 2016, 15:15
Replies: 590
Views: 205,085
Posted By Copterline 103

No, no but if you visit on ASN Wikibase...

No, no but if you visit on ASN Wikibase occurrence / S-76 site you will find out that there is too many cases where the loss of the controllability is an issue. Check one by one these 93 accidents or...
Forum: Rotorheads
28th Mar 2016, 12:23
Replies: 590
Views: 205,085
Posted By Copterline 103

ASN Wikibase accident and serious occurrence data...

ASN Wikibase accident and serious occurrence data base #178588

28-JUL-1978
Sikorsky S-76A N763SA Sikorsky Aircraft 0 near West Palm Beach, FL
21-MAR-1980
Sikorsky S-76A PT-HKB VOTEC 14 off...
Forum: Rotorheads
28th Mar 2016, 09:04
Replies: 590
Views: 205,085
Posted By Copterline 103

Dear industry insider, your posts has already...

Dear industry insider, your posts has already been made clear your position and your intentions for the safety matters.



Industry insider, could you make an answer to Geoffersincornwall "what...
Forum: Rotorheads
27th Mar 2016, 22:12
Replies: 590
Views: 205,085
Posted By Copterline 103

Please check my the latest post Bristow...

Please check my the latest post Bristow accidents. The latest post has been transffered to the "Bristow S76 Down in Lagos discussion #131".

Very relevant post for the both threads and for the...
Forum: Rotorheads
27th Mar 2016, 21:38
Replies: 174
Views: 115,144
Posted By Copterline 103

Do someone knows where this FDR data is...

Do someone knows where this FDR data is available?



Okey, Houston, we've had a problem here!
Forum: Rotorheads
27th Mar 2016, 19:06
Replies: 590
Views: 205,085
Posted By Copterline 103

Dear industry insider, it might be too early to...

Dear industry insider, it might be too early to give any statement like this "this was as simple autopilot issue which was misinterpreted by the crew". There is nothing what will support your theory,...
Forum: Rotorheads
26th Mar 2016, 16:26
Replies: 590
Views: 205,085
Posted By Copterline 103

No SB's or no RFM updates!

No SB's or no RFM updates!
Forum: Rotorheads
26th Mar 2016, 14:50
Replies: 590
Views: 205,085
Posted By Copterline 103

My case is still pending. The counter party is...

My case is still pending. The counter party is nowadays Lockheed Martin.
Forum: Rotorheads
26th Mar 2016, 11:58
Replies: 590
Views: 205,085
Posted By Copterline 103

I fully agree about this with you but if the crew...

I fully agree about this with you but if the crew has the knowledge that the Emergency Check list has an item if helicopter will suddenly become unflyable without any cautions and warnings. The crew...
Forum: Rotorheads
26th Mar 2016, 11:15
Replies: 590
Views: 205,085
Posted By Copterline 103

My opinion is that these malfunctions should be...

My opinion is that these malfunctions should be included to the RFM and also should be trained during recurrent simulator training to the flight crews "SWITCH OFF HYD1" if it doesn't recover the...
Showing results 1 to 35 of 82
 
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