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Forum: Rotorheads
21st Apr 2019, 12:33
Replies: 165
Views: 43,595
Posted By JimL

That is the most extreme example of the...

That is the most extreme example of the introduction of complexity seen for a while.

Will you please refrain from scattering your posts with false accusations and inaccuracies. For example:


...
Forum: Rotorheads
20th Apr 2019, 13:29
Replies: 165
Views: 43,595
Posted By JimL

AnFI, if you intend to quote someone, perhaps you...

AnFI, if you intend to quote someone, perhaps you should provide a reference or justify your statement:



You need to explain why redundancy with pilots, does not add unacceptable complexity!
...
Forum: Rotorheads
15th Mar 2019, 14:09
Replies: 46
Views: 13,256
Posted By JimL

The promotion of scud-running is quite...

The promotion of scud-running is quite astonishing.
Forum: Rotorheads
28th Feb 2019, 08:11
Replies: 165
Views: 43,595
Posted By JimL

Are you trolling me AnFI? The fact that tail...

Are you trolling me AnFI?

The fact that tail rotors were not meeting their expected reliability led to CAA action resulting in a CAP with recommendations to address the issue. It does not change...
Forum: Rotorheads
28th Dec 2018, 07:11
Replies: 30
Views: 6,423
Posted By JimL

Helops, There is a substantial difference...

Helops,

There is a substantial difference between the 'stability' of a fixed-wing aircraft and a helicopter - important for flight in IMC and the rigours of IFR.

If you look at Appendix B to...
Forum: Rotorheads
7th Dec 2018, 07:37
Replies: 2,703
Views: 2,163,880
Posted By JimL

Very sad to hear about Tony and Nick - RIP. ...

Very sad to hear about Tony and Nick - RIP.

Jim
Forum: Rotorheads
29th Nov 2018, 10:49
Replies: 1,173
Views: 532,220
Posted By JimL

Vtoss is a term that is only used in Category A...

Vtoss is a term that is only used in Category A procedures; it is used establish the Take-Off Distance Required. The definition of TODRH is:



The minimum climb performance required at Vtoss is...
Forum: Rotorheads
28th Nov 2018, 13:08
Replies: 1,173
Views: 532,220
Posted By JimL

Chopjock, you are the ultimate laxative. You...

Chopjock, you are the ultimate laxative.

You continue to put forward your ridiculous views in the face of logic and weight of informed opinion against you. It would not surprise me if you were the...
Forum: Rotorheads
28th Nov 2018, 08:00
Replies: 68
Views: 6,402
Posted By JimL

Thanks Ned - much appreciated. Jim

Thanks Ned - much appreciated.

Jim
Forum: Rotorheads
17th Nov 2018, 06:59
Replies: 68
Views: 6,402
Posted By JimL

Hi Ned, My most memorable moment, other than...

Hi Ned,

My most memorable moment, other than those associated with many hours spent in flying in many roles, including aerial work, police support operations, VIP but mainly offshore, was the...
Forum: Rotorheads
17th Nov 2018, 06:50
Replies: 18
Views: 3,229
Posted By JimL

There is not much that could be added to...

There is not much that could be added to 'fermrib's' description although this statement merits a comment:

Clearly the whole helideck area (TLOF, FATO and OFS) are clear of obstacles; the OFS...
Forum: Rotorheads
6th Nov 2018, 07:01
Replies: 165
Views: 43,595
Posted By JimL

SASless, The old adage that if you can't...

SASless,

The old adage that if you can't count it you can't manage it holds true.

With respect to the first part of your post: yes, but as soon as it was flagged that usage and failure data had...
Forum: Rotorheads
6th Nov 2018, 06:41
Replies: 617
Views: 133,877
Posted By JimL

Chopjock's view on the fuel system is supported;...

Chopjock's view on the fuel system is supported; it is the responsibility of the manufacturer to provide a system that is resistant to mismanagement. Required pilot intervention during times of high...
Forum: Rotorheads
5th Nov 2018, 14:18
Replies: 165
Views: 43,595
Posted By JimL

All helicopter engines were analysed but the...

All helicopter engines were analysed but the data-set was skinny; up to that time there was no requirement to collect usage data, and report failure - except when a reportable incident or accident...
Forum: Rotorheads
5th Nov 2018, 13:33
Replies: 165
Views: 43,595
Posted By JimL

The data that has been collected over the time...

The data that has been collected over the time since 'Exposure' was first introduced to regulations (circa 1999), indicate that that reliability has improved slightly - but not by an order of...
Forum: Rotorheads
4th Nov 2018, 13:23
Replies: 1,173
Views: 532,220
Posted By JimL

Posted on another thread but probably best here. ...

Posted on another thread but probably best here.

Engines should meet a reliability figure of 1 x 10**-5; in ICAO parlance, this qualifies them as very reliable (the reason for the low standard is...
Forum: Rotorheads
4th Nov 2018, 13:02
Replies: 165
Views: 43,595
Posted By JimL

Engines should meet a reliability figure of 1 x...

Engines should meet a reliability figure of 1 x 10**-5; in ICAO parlance, this qualifies them as very reliable (the reason for the low standard is that a failure, at worst, should only result in an...
Forum: Rotorheads
3rd Nov 2018, 10:51
Replies: 35
Views: 12,499
Posted By JimL

Flexshaft, The requirement is established in...

Flexshaft,

The requirement is established in 29.1517:

Sec. 29.1517

Limiting height-speed envelope.

[For Category A rotorcraft, if a range of heights exists at any speed, including zero,...
Forum: Rotorheads
1st Nov 2018, 10:51
Replies: 165
Views: 43,595
Posted By JimL

There is no Exposure Time in Category A...

There is no Exposure Time in Category A operations.

'The reliability programme of aircraft in operation and maintenance is a combination of statistic monitoring and recording of the events...
Forum: Rotorheads
1st Nov 2018, 07:53
Replies: 165
Views: 43,595
Posted By JimL

With respect to performance, the main point of a...

With respect to performance, the main point of a Category A procedure is to provide engine-failure accountability.

With an engine-failure anywhere in the profile, the pilot should be able to...
Forum: Rotorheads
21st Aug 2018, 07:19
Replies: 33
Views: 3,023
Posted By JimL

172510's frame of reference is established in...

172510's frame of reference is established in this sentence:



The assumption is that the (required) Field of View (FOV) is directly related to the slant range visibility associated with this...
Forum: Rotorheads
6th Aug 2018, 06:38
Replies: 20
Views: 2,826
Posted By JimL

Very sad! Condolences, and best wishes, to...

Very sad!

Condolences, and best wishes, to Sandie and the children.

Jim
Forum: Rotorheads
4th Jul 2018, 07:26
Replies: 5,579
Views: 3,096,862
Posted By JimL

In support of gulliBell's statement with a slight...

In support of gulliBell's statement with a slight correction.

On a correctly marked heliport (i.e. in accordance with ICAO Annex 14 Part II):

Having the pilot on the touchdown/positioning...
Forum: Rotorheads
18th Jun 2018, 09:48
Replies: 7
Views: 1,712
Posted By JimL

This is the Puma SA330, SSG-9M on the Tenama; it...

This is the Puma SA330, SSG-9M on the Tenama; it crashed and rolled over with the subsequent fire. There were 13 persons on board - 4 minor injuries and no fatalities.
...
Forum: Rotorheads
3rd May 2018, 06:47
Replies: 128
Views: 58,463
Posted By JimL

Crab, The Courts are not responsible for...

Crab,

The Courts are not responsible for ensuring, or improving, safety in Commercial Air Transport - that is why scope was limited to assessing compliance with the 'Labour Code'. Quite frankly,...
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