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Old 4th Feb 2017, 09:40
  #91 (permalink)  
ShyTorque

Avoid imitations
 
Join Date: Nov 2000
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Originally Posted by BEagle
While 'Shall' denotes a mandatory requirement, the word 'should' expresses a recommendation or advice. Such recommendations or advice are expected to be followed unless satisfactory reasons are stated for not doing so.

Which is why, for example, one is expected to follow AMC/GM (in which 'shall' is never used) unless a derogation or an AltMoC is in place.
Beagle, I was taught never to use abbreviations in written text unless they were explained in full at first instance. I'd be grateful if you could do so with regard to your post, thanks.

As Pace wrote, not everyone has the luxury of operating from an ILS equipped, fully lit airfield.

For those in any doubt as to the CAA's position over the legalities (over and above the sensibilities) of this subject, this fairly recent AAIB report, which includes CAA input, hopefully makes it clear. It was referred to earlier by Sir Niall Dementia.

https://www.gov.uk/aaib-reports/aaib...y-s-76c-g-wiwi
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