Confusious, Vref
Fly the speed which was used to determine performance.
- - -
This is an acceptable airport for normal procedures, don't invent or address problems where there are none.
The point of interest is the relationship between touchdown markings, PAPI glide-slope origin, and the start of the runway hard surface, and an apparent difference in conventional definition - relationship between these and a ‘threshold’.
The safety issue is with the people on the road, and uncontrolled vehicles; … and any risk inappropriately generated by false perceptions based in videos.
Re SAFO 19003,
The FAA appears lag ICAO post TALPA; ‘for equivalent safety in older aircraft or when FOLD is not avaiable, the wet (factored dry 1.67 +15%) is now 2.2.’
ICAO Doc 10064 - Aeroplane Performance Manual Appendix 5
and
Appendix 7 ‘Landing on length limited runways’.
“Fly correct approach speed”
“Use correct aiming point”