But is it the correct answer? I have not seen this question before.
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yes 158.33 or 158deg20minsE.
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doubt
When accelerating on a westerly heading in the NH, the compass card of a direct reading compass will turn:
a.Clockwise giving an apparent turn towards south b.Clockwise giving an apparent turn towards north c.Anticlockwise giving an apparent turn towards south d.Anticlockwise giving an apparent turn towards north I opted option b but apparently, its D. I'm guessing the logic here would be just figure out which direction the compass would turn (ie., accelerate west , northern hemisphere compass appears to turn clockwise and read higher than actual) and then reverse the answer for the compass card. Any inputs? cheers, P |
This question is concerned with the effects of acceleration on a direct reading magnetic compass. These effects depend upon the magnetic latitude, the direction of flight and the acceleration rate.
The lines of force produced by the earths magnetic field flow vertically upwards, out of the ground at the magnetic south pole and vertically into the ground at the magnetic north pole. The degree to which they are inclined vertically at all other points on the earth is determined by the magnetic latitude. At the magnetic equator they are horizontal or parallel with the surface. As magnetic latitudes increase towards the magnetic poles the degree of inclination also increases. The inclination of the lines of force causes the magnets in compasses to dip below the horizontal, thereby reducing their accuracy. In order to minimise this problem, compasses are typically suspended such that their C of G is lower than their pivot. In this way the weight of the magnet is made to oppose the dipping caused by the lines of magnetic force. This is termed pendulous suspension. Although this reduces compass dip, it does not entirely eliminate it. This means that the C of G of the compass magnet will be off-set to one side of the pivot such that the C of G moves away from the nearest pole. This means that the suspension point is between the nearest pole and the C of G of the magnet. Whenever an aircraft accelerates or decelerates on heading other than due north or due south, the lateral displacement of the C of G and the inertia its compass magnet, causes the magnet to rotate. The magnitude and direction of this rotation is determined by the aircraft heading, the hemisphere and the acceleration or deceleration rate. This question specifies acceleration on a westerly heading in the northern hemisphere. This will cause the compass magnet to rotate anti-clockwise. The compass magnet is fixed to the compass card, so the compass indication will increase. This will indicate a turn to the north. This answer illustrates the more general result that accelerations cause an apparent turn towards the nearest pole. Decelerations will have the opposite effect, producing an apparent turn away from the nearest pole. |
@ puneeth
yes,the answer is D.Because, in the NH when the a/c accelerates it Over reads i.e. it will read more than 270degrees and the compass card moves in anticlockwise direction.So, Anticlockwise and apparent turn towards NORTH make sense.:ok:
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@ KW, Aviatroz
Thanks folks.
@KW - true, i remember reading this in oxford/gsp.. however, there's no mention of the magnetic card moving in the dir opp to the compass. ie., if as you say, the compass is fixed to the compass card, doesnt that make my answer correct (b) rather than (d)? cheers, P |
The card has the 360 degrees marked on it. This is connected to the compass magnet, such that under steady state conditions the 360/000 mark aligns with magnetic north.
The kind of compass that we are talking about does not have a moving needle. Instead it has a fixed mark that is aligned with the nose of the aircraft. So if the card moves anticlockwise the indication increases. In this question the aircraft is heading west so the needle is intially pointing at 270. When the card rotates anticlockise this increases the degree markings that line up with the needle. In reality the needle and the aircraft nose are still pointing to the west, but the heading indication has increased. So it looks like heading is increasing towards the north. |
Can anyone shed some light on the FRTOL(r) exam.
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@KW
Thanks i get it now! :D
looks like i had a mind block, when i read your explanation, i was like... oh yeah ofcouse !:E @Kristoff - This thread is purely for ATPL preps for DGCA, You can try here : http://www.pprune.org/south-asia-far...-c-issues.html http://www.pprune.org/south-asia-far...gent-help.html cheers, P |
The link below covers the subject of direct reading magnetic compasses and compass errors.
But take care in using it.....it was written in Australia so it is for the southern hemisphere. The effects are all reversed in the northern hemisphere. CompassesThe north magnetic pole is situated in Northern Canada, and the south magnetic pole in Victorialand, in Antarctica. Direct Reading Compass. Fig 1. Fig 2. avfacts.com.au/sample/navinst2a.PDF - related |
What subjects to study for the ATPL exam
Hello,
I have a Indian DGCA CPL License with a Multi Endorsement. I had converted my FAA CPL to an Indian DGCA CPL. I am NOT working with any airline currently. I would like to appear for the Written Exams held for the ATPL in the Oct 2012 session. I know this question has been asked before, but I would like to be diligent, and confirm - what are the subjects that I should study, for the ATPL exam? According to the CAR, Date 16th June, 2011 Syllabus for Examination for Issue of Airline Transport Pilot's License - Aeroplanes, the subjects are - - Air Navigation - Aviation Meterology - Radio Aids and Instruments (Avionics) - Air Regulation - Aircraft and Engines - Technical General - Technical Specific Paper - Techincal Performance Paper - Radio Telephony I understand, that the Technical Specific Paper & Technical Performance Paper are probably specific to the plane that I will gain my 1500 hours of experience on. (Not sure, just guessing) I not too sure what the deal with the Radio Telephony subject is considering I possess the FRTOL license. Here's were I have my doubt - Do I have to appear for the Air Regulation subject & Aircraft and Engines - Technical General subject examinations? If not, Why? Can anyone provide me with this information, and also back up the information with a DGCA website link if possible? I have tried looking for information on the DGCA website, but my efforts were futile. Also, Is there a phone number of a person in the DGCA I can talk to regarding this information? Any answers, you could provide will be really helpful. Again I would like to say that I know this question has been asked before, but as you'll know any information regarding the DGCA is so difficult to obtain, & I would just like to be clear. Thank You. breakbeat |
call me on +919167357043
Hey in case ur interested in some help for the exams for studyin ...get in touch with me...i.e if ur in bombay!
i take classes for ATPL . |
@breakbeat
Since you hold an Indian DGCA license the only ATPL subjects you have to give are 1. Air Navigation 2. Meteorology 3. Radio Aids and Instrumentation Tech general , Specific and regs you dont have to give because you hold and Indian DGCA license and the syllabus for the ATPL and CPL exams are the same This document should clear all your doubts http://dgca.nic.in/forms/crew-d/atpl_aR.pdf Word of caution **** For the Subjects Air Nav and Radio Aids you have to give and oral . You have to obtain 70% in both the written and oral exam to be considered as passed . For eg : If you get 90/90 in the written exam and 6/10 in the oral exam for a total of 96/100 you will be considered failed because you need a min 7/10 in the orals . Once you pass the written exam you will have 3 attempts at passing the oral exam . If you dont pass in 3 attempts you will have to give the written exam allover again . After you pass the written exam they will automatically schedule you for the oral exam . If you dont appear for it , then they will count that as a failed attempt and subtract it from the 3 attempts for the oral exam . From then on you can schedule your oral exam anytime you please . But you will have to pass the oral exam within 24 or 30 months ( not sure ) from the date of passing the written exam . Otherwise you will have to give the written exam again . |
a reply to all those who pm'd me.
If you are in Delhi,for printout at real cheap rates,go to nehru place there is this shop opposite sona sweets,cant remember the name.you will need to search a bit.its a sardar uncles shop.just tell him you need the printouts and bargain a bit:E ,tell him three of my friends have already come and got the prints.he will reduce the rate.in any case it should not be more than .6 to .7 rs per page.dont remember exactly though.just dont forget to bargain.:ok:.comes out pretty cheap! |
ATPL result card
Hi all,
i passed ATPL written + oral exam, i am planing to move out of country for job search. since result card distribution was stopped by DGCA, what document can i carry along as a proof for my ATPL exam result, i believe just result printout will not be enough. on special request will DGCA give any official letter stating my result? any other suggestions are appreciated Thanks |
ATPL-MET
Help!
What to study for met(atpl) , kindly upload some qs. Thanks |
ATPL Met QB
Hi, does anyone have S.K. Buti's question bank on Met for the ATPL exams?
I'd appreciate the help.. thanx. |
yeah so im pretty disappointed, I score 66 today in the met exam.. I did oxford met entirely, cpl notes probably 2-3 questions came from the Oxford back questions. The mistake I did was not study from IC joshi, I have ordered the book now. :mad:.. The paper was okay, wasnt easy.. Was definitely a little tricky.
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@AviatorVette
yeah it was definitely a tricky paper. But I would disagree on the Oxford part. I felt that a majority of questions were from the oxford met book. And as for IC Joshi.. there were only 2-3 questions from there. (excluding ones about Indian Climatology. ) In my honest opinion, if I would've studied only IC Joshi and not oxford.. I would've done miserably. |
Atpl Air Nav oct 2012
I am left with air nav atpl paper, appreared in oct 2012. Around 40 questions came from KW and Oxford gen nav collectively. Can anyone tell which book the rest of the questions taken from. Thanks...
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whatsup guys ,
does anyone know the 2013 schedule for dgca papers ? Also , whats the possibility of the dgca changing the min req from 10+2 to a bachelors degree ? can anyone shed some light on this ? ? |
Hi , For the Nav ATPL paper what kind of questions are asked in CP/PNR. Are the multi leg / differing winds questions asked ? Takes tool ong for the calculations for these. Also for Weight and balance where can I get some study material.
Regards |
okay so bombays not a centre anymore ??
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I paid my fees through Netbanking. What proof do i have to submit for the same, do they want my account statement now???
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@vapourlock : i called up DGCA regarding the same query and this is what they said "no proof is needed for online payment , infact you will be able to print the form only after the online payment is approved , hence its not necessary to send any proof " :ok:
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links to "learning payload" better are welcome, also if you recommend any books where the concept is well explained would be appreciated.
I have keith williams 1000 q&a and cant seem to find the topic anywhere. same applies for the oxford books. Strange!! , or am I missing something ?!? cheers ! |
The word "Payload" does not appear very much in JAR/EASA exams. But the "Traffic Load" includes payload plus non-revenue loads.
In my 1000 QA&E For Mass & Balance book all of the various load definitions are provided in pages 6 and 7. You will also find 103 questions of Traffic Loads in pages 162 to 193. |
@clearbluskyy and @Keith williams
Even if you refer the DGCA CPL or ATPL syllabus you wont find something called PAY LOAD ATPL http://www.dgca.nic.in/cars/d7b-b6.pdf CPL http://www.dgca.nic.in/cars/D7B-B4.pdf PAY LOAD is very popularly used in India by the ground instructors to refer to MASS and BALANCE topics . Before the DGCA implemented the JAA / EASA syllabus the only topic that used to appear for the CPL/ATPL exams from MASS and BALANCE was PAYLOAD or other wise known as TRAFFIC LOAD Since the DGCA adopted the EASA syllabus it was changed to TRAFFIC LOAD and they started including the other topic in MASS and BALANCE as well . |
Air Regs
Could somebody recommend a book for the current Air Regulations exam?
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Well the popular options include RK Bali and another one by V Krishnan published by Himalayan Books
Both are available at the English Book store The RK Bali book was last updated in 2012 . I am not sure if there is a 2013 edition . Dont forget that the syllabus includes Human Performance and Operational procedures as well . Syllabus is given in my above post More or less the same as an EASA / JAA syllabus . Questions too are copied from either the RK bali book or the JAA question bank P.S You dont need to give the ATPL Regs exam if you already hold an Indian DGCA CPL since the syllabus is the same for both . |
Dates For Jan Session
@cyril.
Any guess or speculation the dates for Jan 2013 Session. NO word on the DGCA site yet & DGCA has a NOT TO PICK UP PHONE policy..... |
Thankyou so much @cyrilroy @keith williams.
@pilotbaba - true no word on the website yet, could it be further pushed into the 3rd/4th week maybe ?! |
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Well the popular options include RK Bali and another one by V Krishnan published by Himalayan Books Both are available at the English Book store The RK Bali book was last updated in 2012 . I am not sure if there is a 2013 edition . Dont forget that the syllabus includes Human Performance and Operational procedures as well . Syllabus is given in my above post More or less the same as an EASA / JAA syllabus . Questions too are copied from either the RK bali book or the JAA question bank Would the 2 books and the question bank suffice to clear the exam? |
Actually any one book is more than enough to clear the exam
Buy the other one only for its question bank The JAA ATPL question bank can be accessed here Flight Training http://www.easabank.eu Dont forget that these questions are primarily based on the JAA Regs . And Check PM |
@cyrilroy21
Hey, are the ATPL papers valid for 3 years or 5 years ?
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The papers are valid for 5 years from date of passing the exam :)
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^^^
You've got a PM! |
Thank you @cyrilroy21. Appreciate the prompt reply as always.
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@ Cyril I am guessing thats 5 years from the date of the written and not the oral ? Correct me if I am wrong.
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