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Search: Posts Made By: gearpins
Showing results 1 to 35 of 197
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Forum: Tech Log
28th Jul 2023, 02:48
Replies: 81
Views: 6,664
Posted By gearpins

Smile Hello there, Some points to note- GS...

Hello there,
Some points to note-

GS mini function allows you to fly a relatively constant ground speed.
Most major airport now use time based seperation - during strong headwind it is...
Forum: Tech Log
18th Jul 2020, 10:49
Replies: 14
Views: 3,855
Posted By gearpins

my 2 cents

Approach lights are part of an "instrument approach" system, thus your minima changes with / without approach lights.
PAPI / VASI are part of "Visual Approach" aid as such does not affect Instrument...
Forum: Tech Log
1st Sep 2019, 22:59
Replies: 10
Views: 2,059
Posted By gearpins

Thanks intruder, I find that the best available...

Thanks intruder,
I find that the best available explanation.
considering the rudder upper / lower are powered by 2 hydraulic system a failure in one - will make it respond slower I suppose.
cheers
Forum: Tech Log
1st Sep 2019, 11:04
Replies: 30
Views: 21,544
Posted By gearpins

Here is My 2 cents worth. the steps are detailed...

Here is My 2 cents worth. the steps are detailed below the chart:
https://cimg8.ibsrv.net/gimg/pprune.org-vbulletin/505x536/enroute_climb_56cb24dd898381b705fe0886cbddd0721716f10c.jpg
Forum: Tech Log
1st Sep 2019, 07:23
Replies: 10
Views: 2,059
Posted By gearpins

Hi Folks, I stuck upon the same question...

Hi Folks,
I stuck upon the same question recently and was comforted by this post ( I am not the only one )
One explanation given is the increased Vmcg will result in a corresponding increase in V1...
Forum: Rumours & News
27th Dec 2016, 22:46
Replies: 56
Views: 41,517
Posted By gearpins

To the B737 experts, Can a fault induce auto...

To the B737 experts,
Can a fault induce auto deployment of the reversers while the thrust levers are out of idle posn...?
Forum: Tech Log
25th Jun 2016, 01:05
Replies: 22
Views: 10,051
Posted By gearpins

Boeing recommends to allow FMC to match take off...

Boeing recommends to allow FMC to match take off thrust selection to the corresponding CLB thrust.
In our company we are most of the time on D-TO-2 with ATM which gives us CLB-2
after clean up as...
Forum: Tech Log
3rd May 2016, 21:55
Replies: 18
Views: 3,552
Posted By gearpins

To get the best performance out of the aircraft...

To get the best performance out of the aircraft in the given situation.
One engine at Max thrust, accelerate to UP speed ( best L/D ) maintain UP speed and transition from level accelerating to...
Forum: Tech Log
25th Apr 2016, 12:55
Replies: 31
Views: 13,750
Posted By gearpins

pro and cons

EPR is a direct measure of thrust, whereas N1 / n2 is indicative of corresponding thrust.
when instruments are suspected to be unreliable all aircrafts revert to N1 as the base vale.
however under...
Forum: Tech Log
22nd Mar 2016, 21:43
Replies: 22
Views: 6,998
Posted By gearpins

Hi Skyjob, that makes sense then the question...

Hi Skyjob,
that makes sense then the question that comes to mind is when you have a left bleed failure in flight why is it, that the QRH procedure does not require this cross supply? :confused:
Forum: Tech Log
22nd Mar 2016, 10:40
Replies: 22
Views: 6,998
Posted By gearpins

aaa0808, It still does not answer the primary...

aaa0808,
It still does not answer the primary question:
consider the case where the aircraft is dispatched with left bleed u/s.
as per maintenance procedure the valve is locked in closed position....
Forum: Tech Log
20th Mar 2016, 15:04
Replies: 22
Views: 6,998
Posted By gearpins

B 737-800 36-05 Engine Bleed Air Shutoff...

B 737-800 36-05 Engine Bleed Air Shutoff Valves(PRSOV)

OPERATIONS (O)

For left engine bleed unusable:

A. At altitudes 17,000 feet and below, operate the leftpack using the APU bleed air, the...
Forum: Tech Log
19th Mar 2016, 02:39
Replies: 22
Views: 6,998
Posted By gearpins

Nil further, Turin and aaa0808, thank you for...

Nil further, Turin and aaa0808,
thank you for the response.


aaa0808,
I do see the logic where maintenance procedure locks out the PRSOV. however I find for MEL 36-08 bleed trip light there is...
Forum: Tech Log
17th Mar 2016, 23:08
Replies: 7
Views: 7,438
Posted By gearpins

here is what our company write up says (same as...

here is what our company write up says (same as ICAO )
hope this helps

Oxygen. Use of flight crew oxygen masks may be advisable if the dust and acrid smell is strong.
Reduce thrust. Engine...
Forum: Tech Log
17th Mar 2016, 22:10
Replies: 22
Views: 6,998
Posted By gearpins

The question really is why the left pack is...

The question really is why the left pack is preferred?
In other words when dispatched with left bleed inoperative why not use right bleed to supply right pack all the way through?
:ugh:
Forum: Tech Log
14th Mar 2016, 14:06
Replies: 22
Views: 6,998
Posted By gearpins

appreciate all the posts. Understand the...

appreciate all the posts.
Understand the limitations of checklist and am able to differentiate MEL objective vs Inflight failure.
I am not alluding to ignore set procedures.
still ......New to...
Forum: Tech Log
14th Mar 2016, 01:48
Replies: 22
Views: 6,998
Posted By gearpins

greetings galaxy flyer. thanks for the post....

greetings galaxy flyer.
thanks for the post. That makes sense however if I were to loose left bleed in flight my checklist is happy to allow the right bleed to supply the right pack!!
:ugh: and...
Forum: Tech Log
13th Mar 2016, 22:47
Replies: 22
Views: 6,998
Posted By gearpins

why does mel ops procedure require to cross supply?

B 737-800 36-05 Engine Bleed Air Shutoff Valves(PRSOV)

OPERATIONS (O)

For left engine bleed unusable:

A. At altitudes 17,000 feet and below, operate the leftpack using the APU bleed air,...
Forum: South Asia and the Far East
3rd Aug 2014, 02:10
Replies: 43
Views: 9,340
Posted By gearpins

Not much of a chance in the Middle East. Can...

Not much of a chance in the Middle East.
Can try 737 operators in India. Spice jet for one....
Forum: Tech Log
30th Jul 2014, 00:14
Replies: 27
Views: 15,206
Posted By gearpins

In Summary...

Thank you folks for sharing your expertise and a lot of valuable insight into the various issues associated with this.
In Summary:
[LIST]
The manufacturer does not recommend you do it :=
unless...
Forum: Tech Log
15th Jul 2014, 15:29
Replies: 27
Views: 15,206
Posted By gearpins

john_tullamarine, Denti, Skyjob, nitpicker330,...

john_tullamarine, Denti, Skyjob, nitpicker330, Centaurus -thank you folks for the excellent response. :ok:
feels good to revisit basic performance once in awhile. dusting out the cobwebs :O

I...
Forum: Tech Log
15th Jul 2014, 01:17
Replies: 27
Views: 15,206
Posted By gearpins

737NG-Engine Failure during a Double Derate take off

Greetings to all,
here is the Quote: FCTM
Engine Failure During a Combined ATM and Fixed Derate Appendix A.2.5
….on airplanes with the double derate option, Boeing recommends that the thrust...
Forum: Tech Log
21st Apr 2014, 23:28
Replies: 7
Views: 7,717
Posted By gearpins

OVER ENGINEERED?

don't see any reason to motor for 15 minutes. the most is probably for say 5 min in the event of a tail pipe fire. haven't the faintest idea why one would require15 min twice and another 10 min on...
Forum: Tech Log
17th Mar 2013, 10:06
Replies: 5
Views: 3,578
Posted By gearpins

Thanks

Thank you folks for all the responses especially RRTrentSymphony and Denti.
Yep the previous thread disappeared for some strange reason.
with the rudder channel installed i can begin to understand...
Forum: Tech Log
16th Mar 2013, 01:30
Replies: 5
Views: 3,578
Posted By gearpins

To the B 737 experts

The B 737 ng in our fleet do not have CAT III B capability.
Would like to know what kind of mod has been incorporated to achieve this capability since the Autopilot has no control over rudder /...
Forum: Tech Log
19th Nov 2012, 14:00
Replies: 388
Views: 100,000
Posted By gearpins

the equator experiment

The Equator Water Experiment - YouTube

may beposted earlier....fasinsting nevertheless !
Forum: Tech Log
2nd Aug 2011, 16:46
Replies: 51
Views: 26,593
Posted By gearpins

rough guide

lets take the example of sunrise.
1.we know sunrise time at place of departure.
2.we know airborne time
3.sun travels 15 dg of lat / hour (as mentioned in previous post 5 deg in 20 min)...
Forum: Tech Log
7th Sep 2010, 15:24
Replies: 14
Views: 8,349
Posted By gearpins

GA flap

select GA flap which is one step up and in this case config 2 :)
Forum: Tech Log
17th Jul 2010, 02:25
Replies: 39
Views: 6,929
Posted By gearpins

take it as it comes

Its difficult to come up with a generic answer. its not a situation of one size fits all.the variables are: (and the list is not exhaustive)
1.type of A/c
2.TOW on the given day
3.Are you using V1...
Forum: Tech Log
6th Mar 2010, 14:06
Replies: 8
Views: 3,168
Posted By gearpins

quick fix

here is what I do ,
If the constrain is 'tween say 4000 and 6000 I would put in the constrain as 5000!:)
Forum: Tech Log
21st Feb 2010, 15:37
Replies: 25
Views: 44,163
Posted By gearpins

optional functions

AMM says that the IR inputs are required for "optional functions".
wondered what that could be?..
then, noticed the ISIS in our SIM also provides HDG ! (but not the ones onboard)
I wonder if...
Forum: Tech Log
17th Feb 2010, 14:55
Replies: 69
Views: 23,438
Posted By gearpins

the big picture

9.G,
Good contructive post,
cheers :)
Forum: Tech Log
14th Feb 2010, 09:09
Replies: 69
Views: 23,438
Posted By gearpins

Hmmmmm...

Sciolistes,
unfotunately I do not have a ready reference to attach or quote.

it is my understanding that cerification requirement for approach climb gradient one engine inop:-
is 2.1% for...
Forum: Tech Log
13th Feb 2010, 22:47
Replies: 69
Views: 23,438
Posted By gearpins

prior prepration..

Blackcoffeenosugar,
Approach climb gradient(for twins) is 2.1%.assuming
S.E.;G/A FLAPS;L/Gup;live Eng at max avail thrust.
For cat II and above the requirement is 2.5% from Airfield elevation....
Forum: Tech Log
10th Feb 2010, 12:56
Replies: 5
Views: 2,365
Posted By gearpins

Agreed

TyroPicard,
point noted and agreed.:)
Showing results 1 to 35 of 197
 
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