Christmas Message

 

Xmas

Header1200x385

× Welcome to the CPL Performance question and answer forum. Please feel free to post your questions but more importantly also suggest answers for your forum colleagues. Bob himself or one of the other tutors will get to your question as soon as we can.

Failed Performance Exam

  • naomi1234
  • Topic Author

naomi1234 created the topic: Failed Performance Exam

Hi Bob,

I understand that a similar question has been asked already but am hoping to have some clarification as I am still confused.

When it comes to charts or weight and the question is asking: given a situation find the maximum landing/take off or weight that is closest to the calculated value.

Would the correct answer be the closest multiple choice value numerically or the closest value under the maximum limit?

I have seen mention of either closest to or maximum/minimum but not both in one question.

Sorry English is not my first language so I am really struggling with the wording and ambiguity of the question.
#1

Please Log in or Create an account to join the conversation.

  • John.Heddles
  • Offline
  • ATPL/consulting aero engineer
  • Posts: 896
  • Thank you received: 115

John.Heddles replied the topic: Failed Performance Exam

Would the correct answer be the closest multiple choice value numerically or the closest value under the maximum limit?

It is going to depend on the wording of the question.

Should the question specifically ask for the (option) answer closest to the correct answer, then you should take that to be a direction by the examiner to nominate whichever option answer is numerically closest to the correct answer.

Should the question not specifically ask for "closest" then you should take that to require your answer to be operationally correct, ie remain on the conservative side of the correct answer. The correct side is determined by consideration of where you need to be to remain within the relevant limit.

Bob may offer some further comment for clarification.

Sorry English is not my first language so I am really struggling with the wording and ambiguity of the question.

I really wouldn't worry about your English - it appears to be quite excellent.

Engineering specialist in aircraft performance and weight control.
#2

Please Log in or Create an account to join the conversation.

  • Posts: 2482
  • Thank you received: 267

bobtait replied the topic: Failed Performance Exam

John's take is exactly what I tell classes. If the question says 'is closest to', then that's what it means. Pick the numerically nearest answer. If the questions says 'maximum or minimum permitted value' then pick the nearest value that does not exceed that limitation.

CASA is increasingly presenting 'type-in' answers where you enter the result of your calculations.
#3

Please Log in or Create an account to join the conversation.

  • naomi1234
  • Topic Author

naomi1234 replied the topic: Failed Performance Exam

Thank you very much Bob and John.

Apologies for the late reply.

It does clear things up. Where I am still a bit confused is if a question asks both maximum allowed AND closest to in the same sentence. Which rule would you apply?

An example question could be:
The maximum weight allowed to stay in balance is closest to?

So would this mean I would need to choose the closest value within the limit?

Sorry I may be overthinking this.
#4

Please Log in or Create an account to join the conversation.

  • John.Heddles
  • Offline
  • ATPL/consulting aero engineer
  • Posts: 896
  • Thank you received: 115

John.Heddles replied the topic: Failed Performance Exam

... if a question asks both maximum allowed AND closest to in the same sentence. Which rule would you apply? An example question could be: The maximum weight allowed to stay in balance is closest to? So would this mean I would need to choose the closest value within the limit?

I will be interested to see if Bob concurs - my take is that the question, as stated, is seeking the mathematically closest answer, even if that goes slightly outside the limit. Really, this sort of syntax and grammatical hair splitting is a bit silly - I would far rather see all the questions looking for the conservative side of the limit answers. Otherwise we get into the area of negative training which is not a very good approach to learning. Your answer is the more important and what you need to observe in your practical flying activities.

Sorry I may be overthinking this.

That's fine, thinking pilots tend to live longer than those who don't think.

Engineering specialist in aircraft performance and weight control.
#5

Please Log in or Create an account to join the conversation.

Time to create page: 0.082 seconds