I know, strong suspicion it already was when the original discussion took place.
It is important to understand what you say, however, this thread about the regulatory requirements might best be served using the terms utilized in them. From the viewpoint of procedural compliance on how should we handle the algorithm of POL.A.230, the numerical definitions of LDA / RLD / ALD are not part of the equation. As vitally important as they are.
Thinking of which, on a lighter note: ALD is historically mislabelled, isn't it? The Actual Landing Distance would be something the AAIB arrives to determine.
