The 2001 report NLR-TP-2001-216
Safety aspects of aircraft performance on wet and contaminated runways gives additional and updated information related to the NASA/Horne's equation. Have a look at chapter
2.3 Hydroplaning in this report and you will see that there are differences related to "spin-up", "spin-down" and radial tyres.
Table 1 in the report shows
Typical take-off, landing and hydroplaning speeds of commercial jet and turboprop aircraft
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