wrote:

Most everything pertaining to instrument procedures is predicated on fixes,
facilities or waypoints either on the ground or geo-referenced to a precise
location on the ground. Yet, many (most) of these procedures are predicated on
indicated airspeed.

The origin of the timing table was not specifically referenced to ground
speed. In fact, the KISS concept in pre-GPS days favored simply applying IAS
on final, as in managing human factors and keeping the priority tasks at the
top of the list, so to speak. So, the discussion is not silly at all.

Well, I don't get it. Sure seems silly to me, too. Would you mind explaining the
arithmetic operations involved in calculating the airspeeds that you claim go
into the table? What are the data from which you begin, and what operations do
you perform on those data to derive airspeed?

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