Boree and Max 1, all you did is reinforce my point. Yes, the standard is rounded up to 5 miles (thanks Amberale) but not in all airspace and not everyone who reads this is a controller. So when boree said that if you asked any controller if when he used less than 5 miles, he would reply never. Well, that is incorrect and I was suggesting that he should clarify his arguement by saying what controller in what airspace. So asking about my margin of error is really a moot point. I am talking about no controller ever using less than 5 miles. No agro here just suggesting a clarification.
Cheers
FGS
