"karel" wrote in message
...

Excuse me if I am in a bad mood tonight
but this "answer" does not answer any of O/P's questions.


I didn't realize responses without "answers" were prohibited.



Whether something is worth the trouble is up to him to judge,
your opinion on the matter is irrelevant.


The relevancy of my opinion with regard to his project is up to him to
judge. Your opinion on the relevancy of my opinion with regard to his
project is irrelevant.



When he asked what is required for short local flights,
who needs wonder if he'll be content with that tomorrow?


Him.



Actually, can _you_ tell what you'll be content with tomorrow?


Yes.



And if you recommend him to buy another plane, are you going to pay for
it?


No.



Again, my apologies if this sounds rude, it is not meant so.


You don't sound rude, you just sound stupid.



Only I would request all and sundry to either bring useable answers,
or keep silence.


Request denied.



For myself I don't have the slightest knowledge
on these matters, so I keep my trap shut.


But you didn't keep your trap shut. If you don't have the slightest
knowledge on these matters how can you judge what is a useful response?