bfato,

I think you'll be alright with that answer, since the ATPL exams tend to test the ICAO standard rather than any state's published differences from the standard. A bit tight having the UK's specific difference to ICAO's standard as one of the options though!

despegue,

Yes, that is true, although this is not the point the exam question is testing (and it wasn't one of the options the original poster put forward).

Ground School Exam Questions
 

Hi everyone,

in the feedback questions i have, following question is asked twice:

During an automatic landing, from a height of about 50 ft the:

a) glideslope mode is disconnected and the airplane continues its descent until landing

b) autopilot maintains a vertical speed depending on the radio altimeter height

c) autopilot maintains an angle of attack depending on the radio altimeter height

d) Loc and Glideslope modes are disconnected and the airplane carries on its descent until landing

In one instance the correct response is stated as b, in another instance the correct answer is stated as c .. does anyone knows what the correct answer to this question should be?

thanx!

Jan

Id go for C.
The Airbus Autopilot notes the AOA at 50ft and then begins to reduce AOA at 2degrees per second over an 8 second period. This is just a trend though as touchdown would have occurred in this timescale.

Not sure about boeing, but it would have the equivalent of flare mode also so to acquire the proper pitch on landing. But the time taken in the last 50ft and with little change of AOA the VS would change very little but none the less I guess it is arrested to some point so again I reckon C matches.

Hmmm, to me the key event at 50' is that the autopilot no longer uses the Glideslope and manages the descent rate through the flare. I would go for A.

B and C seem wrong because the rate of descent is constant from 50' till touchdown so it isn't to do with the rad height from that point.

D is wrong because, I think, the LOC guidance remains.

Sorry for potentially confusing the issue.

So far as I recall - which is not very far - at 45 to 50 feet radalt the autopilot drops the glideslope and in FLARE holds rate of descent at 2 feet/sec. Not all the way down, however, for at 5 feet radalt ROLLOUT is engaged and the nose progressively lowered. The question seems a bit oddly set. None of the answers are completely true. Which QB is it from?

Dick W

thanx for the replies so far .. the cqb i have is one that is used at our school .. the questions it contains are similar to the italian feedback questions and presumably also the bristol ones .. it does however have some mistakes in it but in a way that keeps you from putting all your money on the questions alone :}

i tried to find an anwser to this question in the oxford books but i can't seem to find a fitting solution ..

Jan

I'm think the answer is B try posting on the JALS forum http://www.jals.co.uk/forum
its probably better suited to this kind of question.

just got back from the exam and all went well .. two of my colleagues did get this question, so it is for sure in the belgian CAA atpl questionbank .. still no idea what the correct answer should be ..

Nice to hear it went well for you. In what claims to be the old Italian QB the question exists with the answer given as your b.

Dick W

A Fokker 100 uses the RadAlt to control its rate of decent onto the runway. Therefore, for that type, B would be correct answer.

answer
 

just done the exam.....answer is B

it won't make any difference for me anymore but thank you for confirming the answer .. always good to know and i hope it will be of some help for those coming after us ..

Jan

b is DEFINITELY correct. The autopilot maintains a constant rate of descent until touchdown referenced to the rad alt height. From memory I think the max ROD is 1.3 m/s. The reason for this is that the G/S signal becomes unreliable at heights this low- basically the same principle as the 'flutter zone 'overhead a VOR.

Enjoy

jimbo:ok:

The results are out. Can confirm that the examiner was indeed looking for answer 2, unless the question was appealed and the mark credited regardless.

Are you sure Celtflyer? Sounds bit odd to me. If AoA is 'reduced' at 50 ft, lift will decrease so rate of descent will increase leading to a bumpy landing...

Most of my landings are achieved by 'increasing' AoA at this point, thus reducing rate of descent to a minimum and thus a smooth touchdown.

Did you mean 'begins to 'increase' AOA at 2degrees per second'...?

Ground School Exam Questions
 

A piece of the airplane fails while still parked. The reference document you use to decide the procedure to follow is: minimum equipement list

A piece of the airplane fails while taxiing.The reference document you use in the first place to decide the procedure to follow is:operations manual chapter Abnormal and emergency procedures

Following an indications of unserviceability while taxi to the holding point, what you consult first? minimum equipement list

Isn´t someting wrong? Could someone tell me why the difference in procedures between parked and taxiing? tnx

No doubt someone will post the official eurocratic answer, but ask yourself what you would do if, say, you had an APU fire warning whilst taxying? Would you mess around trying to find out whether you could accept no APU for flight by looking in the MEL? Or would you first follow the Abnormal/Emergency checklist for APU fire?

Ground School Exam Questions
 

Hello!
I need help with a question in Principles of Flight

"Full span Kreuger flaps will.......... lateral stability?
A) Improve
B) Incerase
C) Increase or decrease depending on speed
D) Not affect"
The corect answer is C) acording to the test but I have dificulties finding an explenation in my Oxford/Jeppesen book. Any sugestions on where I can read about this and other ATPL related subjects would be much apreciated. (Or just make it easy on me and give me the staight up cus Im very tierd right now...:O )
Thanks
D.

Strange question! No trace of this in any feedback I have seen.

Normally Kreuger flaps are mounted on the root section of swept wings, where their function is to 1. increase lift and then 2. stall the root before the tips to check the normal tendency of swept wings to go nose up at the stall.

Any experts out there?

Dick W

Ground School Exam Questions
 

I notice that the Bristol question bank for Principles of Flight has new questions in it.
Also when I did the last set of exams in February, they had totally changed the questions in the question bank for Flight Planning, and Human Performance, and Law! None, or very few of the questions, where recognised from feed back in the exam. All new questions! Has anyone any information on this, and where to get the latest feed back?
Cheers