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Search: Posts Made By: Rightbase
Showing results 1 to 35 of 117
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Forum: The Pacific: General Aviation & Questions
31st Dec 2017, 11:43
Replies: 421
Views: 275,076
Posted By Rightbase

Dangerous Speculation.

Didn't see low reported.
Didn't see slow reported.
For completeness, didn't see right float support failure reported either.
Forum: Rumours & News
19th Apr 2014, 20:14
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

Mistakeology

My concern is a systems concern,

The software engineer works in an environment that makes assumptions about its upstream inputs (eg, a sensor might fail - et al,) and downstream consequences.
...
Forum: Rumours & News
19th Apr 2014, 10:28
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

Mistakeology

Your post kindly emphasised 'was' making the point that the logic error has been detected,

My point is the logic error of flying on with a tolerated defect in a system with the danger that a...
Forum: Rumours & News
19th Apr 2014, 08:56
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

Mistakeology

Logic errors can remain undetected in programmed systems for a long time.

The protocol of flying on with 'redundant' units defective is such a 'program' that by definition does not create an...
Forum: Rumours & News
23rd Mar 2014, 14:33
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

Ghost Flight

Capt Kremin

Constant magnetic headings over this scale are indeed weird.

First, wind drift leads to a non-recoverable drift of longitude coordinate.

Second the longitude drift rate for given...
Forum: Rumours & News
23rd Mar 2014, 13:51
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

Ghost Flight

Not being critical in any way - quite the reverse. Off to look at charts ...
Forum: Rumours & News
23rd Mar 2014, 13:02
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

Ghost Plane

@ Capt Kremin

Is there any info on how disruptive wind be over that flight? Could a significantly different HDG end up there?


Oops - edit region to flight.
Forum: Rumours & News
18th Mar 2014, 14:11
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

fire in tbe wheel well

Not plausible to me that it would burn through the pressure hull to get to the innards without somebody noticing. But I'm not an expert. ;-)
Forum: Rumours & News
14th Mar 2014, 08:27
Replies: 11,831
Views: 24,194,855
Posted By Rightbase

Pings

Previously reported: ACARS will store messages until it can establish contact.

It tries later by sending a ping. If there is no response it tries again later.

Previously reported: it tries...
Forum: Rumours & News
22nd Nov 2009, 14:50
Replies: 39
Views: 13,760
Posted By Rightbase

Hmmm .... OKAY, but from the report: ...

Hmmm ....

OKAY, but from the report:



I suggest perhaps not different enough.
Forum: Rumours & News
22nd Nov 2009, 10:25
Replies: 39
Views: 13,760
Posted By Rightbase

But Dick, we haven't ...

... eliminated all the possible explanations.

We are rightly concerned when a pilot dozes off without warning, but when an ADIRU goes into dozing mode it is a non-critical rare event?

In my...
Forum: Private Flying
7th Oct 2009, 23:39
Replies: 105
Views: 13,361
Posted By Rightbase

Duck's observation on this quote by Biggles does...

Duck's observation on this quote by Biggles does not gel with me. I think Biggles has inadvertently made the real point with his observation that there is no pleasure in having to flog through bad...
Forum: Private Flying
3rd Oct 2009, 05:48
Replies: 37
Views: 3,989
Posted By Rightbase

Sadly ...

No committee ever wants the obvious solution. Far too boringly sensible to further the members' careers.

But if they can find a formula that will work but is so complicated in its structure...
Forum: Private Flying
28th Sep 2009, 20:16
Replies: 15
Views: 1,318
Posted By Rightbase

You don't have to but ......

Well, cutandpaste, if the RT is not busy, I would tell them - it can do no harm, and saves them wondering what I might do next.

If the RT is busy, it would depend on why the RT is busy. If...
Forum: Private Flying
19th Sep 2009, 18:10
Replies: 6
Views: 1,226
Posted By Rightbase

Compliance

It may not be a legal requirement to have passed the air law exam, but it is certainly a legal requirement to comply with the law.
Forum: Rumours & News
16th Aug 2009, 00:36
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Sorry, Sooty

It isn't a case of either-or. It is and-and-and.

My (amateur) analysis of water source candidates based on information available is:
3Kg Max dissolved moisture at Beijing uplift (AIB all...
Forum: Rumours & News
6th Aug 2009, 20:32
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Post #1805...

Post #1805 (http://www.pprune.org/rumours-news/340666-ba038-b777-thread-91.html#post4377055) refers .....

PS - it is a real pity they didn't find melt water in the FOHE in their first inspection...
Forum: Rumours & News
6th Aug 2009, 19:45
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Good question for the general case, Chris, but...

Good question for the general case, Chris, but IIRC BA038 was pretty well water and ice free before starting the 2-way trip to Beijing and back.

So irrespective of where it collected, where...
Forum: Rumours & News
5th Aug 2009, 00:41
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Injecting water ...

is what happens after the frost in the centre tank melts, when the fuel purge pumps get hold of the melt water.
A bit of clever redesign might make the refreezing of this melt water in the cold main...
Forum: Rumours & News
5th Aug 2009, 00:00
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Possible solution ...

... warm refuelling.

Water in fuel tanks is inevitable and you are right - sumping is the answer - but it only works above freezing point.
Forum: Rumours & News
4th Aug 2009, 22:35
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Sumping - easier said than done sometimes...

No water in the fuel at cruise - too cold, it is all ice.
Descent to a surface still below freezing - atmospheric ingestion contains water vapour which at lower altitudes condenses as frost on the...
Forum: Private Flying
30th Jun 2009, 20:51
Replies: 10
Views: 1,974
Posted By Rightbase

from an 11-18HOD/ppl

I did mine by booking a lesson a week (on Sundays - I use Saturdays to rest up). Some weeks the weather stopped me, but not too many, since I was prepared to fly for the experience, and not just for...
Forum: Rumours & News
5th Jun 2009, 22:12
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

The report refers earlier (p7) to the possibility...

The report refers earlier (p7) to the possibility of water accumulating during the flight rather than being ingested with the fuel burned .
and on page 8 to the effect of water injected into the...
Forum: Private Flying
27th May 2009, 22:02
Replies: 27
Views: 4,296
Posted By Rightbase

It wasn't a hyphen ...

in Blink182's post. Marshland elevation is minus six feet.
Forum: Biz Jets, Ag Flying, GA etc.
16th Apr 2009, 20:36
Replies: 19
Views: 2,930
Posted By Rightbase

Be fair ......

Every bit of the aeroplane is specified to be as light as possible. It is not unreasonable to look for the lightest solution that can do the job.
Forum: Private Flying
28th Mar 2009, 20:38
Replies: 5
Views: 810
Posted By Rightbase

Find a Seneca ....

GINFO search reveals 4 with 'CLUB' in the owner section, one with 'SCHOOL', one with 'HIRE'.

You might need to be quick - in case the confidentiality issues start to worry people and they close...
Forum: Private Flying
20th Mar 2009, 22:19
Replies: 14
Views: 890
Posted By Rightbase

baldwyn

I have a .pdf that might help - check your pms. Anyone know a good way of sharing a .pdf on here?
Forum: Rumours & News
20th Mar 2009, 21:39
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Airfoilmod - Symmetry?

My light hearted observation was prompted by an assumption that since there is no (significant) net heat gain, one fluid body loses as much heat as the other gains, and a second assumption that it...
Forum: Private Flying
19th Mar 2009, 20:18
Replies: 30
Views: 4,016
Posted By Rightbase

1. So you can reach in and turn off the master...

1. So you can reach in and turn off the master switch after checking the lights, stall warner and pitot heat and before the battery is too flat to start it on a cold day.

2. So the dwarf sitting...
Forum: Rumours & News
19th Mar 2009, 19:58
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Redesign - Can we all have a go?

With nice clean fuel and nice clean oil, it doesn't matter which flows through the little tubes, and which flows round them.

But if the fuel is lumpy, perhaps because some water has been pumped...
Forum: Rotorheads
14th Mar 2009, 16:06
Replies: 253
Views: 79,933
Posted By Rightbase

As a lurker who knows little about horses or...

As a lurker who knows little about horses or helicopters, it seems to me that without appropriate training or safety advice, both are best given a wide berth.
Forum: Rumours & News
14th Mar 2009, 10:32
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Just to be safe ...

It would be reassuring to know that the redesigned FOHE can cope with ice pellets delivered at a greater rate than the CWT fuel scavenge system can shoot water into the main tank.
Forum: Private Flying
2nd Mar 2009, 19:56
Replies: 95
Views: 11,045
Posted By Rightbase

If yoiu say you are maintaining 3000 feet ...

That is what other aircraft will be told, and (hopefully) they will all then be part of a coordinated plan to miss you.

If you decide to fly at a different level without telling anybody you could...
Forum: Rumours & News
2nd Mar 2009, 19:25
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

Everybody knows where it comes from ......

Why all the emphasis on
?
With respect, we knows where the water in fuel tanks (ground based or airborne) comes from - it comes from the atmosphere - either warm wet air being cooled, or suspended...
Forum: Rumours & News
27th Feb 2009, 22:22
Replies: 3,239
Views: 1,136,196
Posted By Rightbase

answer=42 - possibly....

The thread you quote says the amount of water that can accumulate is quite substantial.

Against - there was a limited time window for it to accumulate after the inspection.
For - water...
Showing results 1 to 35 of 117
 
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