In my CP days we would have looked at the problem, found a suitable 'rule-of-thumb' that met the ambitions of the regulators and written that into our SOPs in '
simplespeak.
In the 80s we circumvented the prospect of line-joes mis-reading the RFM and its acres of similar looking and sometimes obscurely drawn graphs by simply stating that if you were operating from airport A, B or C (the only places we were contracted to work from/use as alternates) and you operated with 2000 feet of runway then you could use cAT A Clear Area profile every time up to 25 degrees C.
Surely if the normal procedures are followed and the risk management requirements are thereby met there is no need to get into complex pre-landing or pre-TO computations. In Risk Management terms such endeavours may actually increase risk. I think the acronym is K.. I.... S....S!
G.
